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#41 Gönderildi : 8 Kasım 2021 Pazartesi 03:50:04(UTC)
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Katılan: 8.3.2021(UTC)
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The effect of the amount and adding method of activated carbon on smoke emission of cigarettes was investigated. It was found that the filtration efficiency of ternary compound filter was higher than that of binary compound filter under the influence of plasticizer when the amount of activated carbon was constant. With the increase of the amount of activated carbon, the filtration efficiency of the two kinds of composite filters increases. The effects of the amount of activated carbon on the filtration efficiency of the compounds with different volatiles are different. The effects of the amount of activated carbon on the filtration efficiency of the isomers are similar due to their close molecular weight and boiling point. When the dosage is small, the competitive adsorption is easy to occur. The adsorption amount of refractory components such as acetaldehyde is small, and the competition can be reduced by increasing the dosage. The filtration efficiency of refractory components shows an obvious upward trend with the increase of the dosage.www.chinactivecarbon.com/
It was found that the contents of volatile compounds and flavor components were related to the type of cigarettes and the amount of tar. The contents of volatile compounds and flavor components were higher in the flue-cured cigarettes than in the mixed cigarettes, and higher in the high tar cigarettes than in the low tar cigarettes. The types of fragrance components in smoke of different types of cigarettes are basically the same, but there are great differences in content. The contents of furfural, furfuryl alcohol, maltol, 5-hydroxymethylfurfural, linolenic acid, methyl linolenic acid, linoleic acid, methyl palmitate and other components in flue-cured cigarettes were significantly higher than those in mixed cigarettes. This is related to the higher carbohydrate content in flue-cured cigarettes. Mixed-type cigarettes contain high content of 3-methylpentanoic acid and nitrogen heterocyclic compounds such as cotinine, ho ah, and methamine due to their formulations of burley tobacco and spice tobacco. The filtering law of activated carbon for different types of cigarettes is basically the same, that is, the filtering efficiency is related to the properties of compounds, especially with the molecular weight and boiling point of compounds. The filtration efficiency of activated carbon on flue-cured cigarettes was lower than that of mixed cigarettes.wholesale activated carbon pellet
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#42 Gönderildi : 8 Kasım 2021 Pazartesi 04:06:54(UTC)
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Under certain operating conditions, the gas mixture by adsorption bed, adsorption by adsorption, adsorption after a period of time, when starting from the adsorbent in the laminar flow of the gas adsorbed mass (or its concentration reaches a specified value), think bed fire, adsorption properties of adsorbent adsorption quantity at this time is called dynamic activity of adsorbent.
The activity is not only related to the characteristics of adsorbents and adsorbents, but also related to temperature, concentration and operating conditions.
The kinetic activity value of adsorbent is the main basis for the design of adsorption system.
The adsorption rateThe adsorption process often takes a long time to reach equilibrium, and the contact time is limited in the actual production process.Therefore, the amount of adsorption depends on the adsorption rate, and the adsorption rate is related to the adsorption process, the adsorption process can be divided intoThe adsorption process often takes a long time to reach equilibrium, and the contact time is limited in the actual production process.Therefore, the amount of adsorption depends on the adsorption rate, and the adsorption rate is related to the adsorption process, which can be divided into the following steps
(1) External diffusion, the adsorbate from the main air flocoal activated carbon supplierw through the air film around the particles to the outer surface of the adsorbent; (2) Internal diffusion, the adsorbate from the outer surface through micropores to the surface of the adsorbent micropores
(3) adsorption, the adsorbent reached the microporous surface of the adsorbent is adsorbed
(4) The desorbed adsorbate diffuses to the main body of the gas phase through internal and external diffusionPhysical adsorption process is generally controlled by internal and external diffusion, chemical adsorption is controlled by both surface dynamics and internal and external diffusion.Because of the complexity of the adsorption process and many influencing factors, it is difficult to derive the rate theoretically, so it is generally determined by experience or model experiment.granular activated charcoal
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#43 Gönderildi : 8 Kasım 2021 Pazartesi 04:16:18(UTC)
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Chapter 1 This project adopts the company's own large amount of monolayer stone which can be dried and preserved and treated with solution
Preparation method of graphite namely graphene.www.chinactivecarbon.com/
Raw materials are commonly used graphite and common chemicals, easy to operate, easy to enlarge. It solves the problem that graphene materials are expensive and cannot enter the field of industrial application without large-scale production. It provides a basis for large-scale application of graphene.Using the super conductivity and large specific surface area of graphene solves the problem that the traditional activated carbon material can no longer improve the electric storage performance when used on the electrode. Complete set of equipment in addition to solve the industrial method of graphene liquid phase composite to activated carbon materials for super capacitor, and can be activated activated carbon materials at room temperature. Complete sets of equipment meet the requirements of cleaner production.wholesale activated carbon pellet
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#44 Gönderildi : 9 Kasım 2021 Salı 04:30:33(UTC)
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Laboratory studies have shown that ceramic honeycomb activated carbon catalytic ozone oxidation technology and removal of trace organic matter in water has more obvious advantages, but the catalytic oxidation and active carbon process characteristics to be in-depth study, therefore the pilot was investigated through honeycomb ceramic catalytic ozonation and activated carbon catalytic ozonation and activated carbon filter combination process operation characteristics.wholesale activated carbon pellet
Test of honeycomb ceramic catalytic reactor under the condition of gas-liquid mass transfer ability, lower ozone reactor but when gas water ratio greater than 0.15 oil-gas fluid mass transfer capacity will exceed ozone reactor. The gas holdup (EG) of the ozone reactor and the honeycomb ceramic catalytic oxidation reactor is 0.19% and 0.15% when the gas volume is 0.1 m'/h, respectively, indicating that the size of bubbles in the catalytic oxidation reactor is large, which is not conducive to gas-liquid mass transfer. The Pe parameters of ozone reactor and honeycomb ceramic catalytic reactor were 3.14 and 5.25, respectively, indicating that the liquid phase pushing component in catalytic oxidation reactor was higher, which was beneficial to gas-liquid mass transfer. The gas-liquid mass transfer efficiency of catalytic oxidation reactor is more affected by increasing gas-water ratio.www.chinactivecarbon.com/
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#45 Gönderildi : 9 Kasım 2021 Salı 04:31:55(UTC)
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Under certain operating conditions, the gas mixture by adsorption bed, adsorption by adsorption, adsorption after a period of time, when starting from the adsorbent in the laminar flow of the gas adsorbed mass (or its concentration reaches a specified value), think bed fire, adsorption properties of adsorbent adsorption quantity at this time is called dynamic activity of adsorbent.
The activity is not only related to the characteristics of adsorbents and adsorbents, but also related to temperature, concentration and operating conditions.
The kinetic activity value of adsorbent is the main basis for the design of adsorption system.
The adsorption rateThe adsorption process often takes a long time to reach equilibrium, and the contact time is limited in the actual production process.Therefore, the amount of adsorption depends on the adsorption rate, and the adsorption rate is related to the adsorption process, the adsorption process can be divided intoThe adsorption process often takes a long time to reach equilibrium, and the contact time is limited in the actual production process.Therefore, the amount of adsorption depends on the adsorption rate, and the adsorption rate is related to the adsorption process, which can be divided into the following steps
(1) External diffusion, the adsorbate from the main air flow through the air film around the particles to the outer surface of the adsorbent; (2) Internal diffusion, the adsorbate from the outer surface through micropores to the surface of the adsorbent microporescoal activated carbon supplier
(3) adsorption, the adsorbent reached the microporous surface of the adsorbent is adsorbed
(4) The desorbed adsorbate diffuses to the main body of the gas phase through internal and external diffusionPhysical adsorption process is generally controlled by internal and external diffusion, chemical adsorption is controlled by both surface dynamics and internal and external diffusion.Because of the complexity of the adsorption process and many influencing factors, it is difficult to derive the rate theoretically, so it is generally determined by experience or model experiment.granular activated charcoal
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#46 Gönderildi : 11 Kasım 2021 Perşembe 04:57:26(UTC)
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Activated carbon treatment process is the use of adsorption method to remove odor, some ions and difficult to biodegradable organic pollutants.
In the process of adsorption, the specific surface area of activated carbon plays a major role.
At the same time, the solubility of the adsorbed substance in the solvent also directly affects the adsorption speed.
In addition, pH, temperature changes and the degree of dispersion of the adsorbed substances also have certain effects on the adsorption rate.When it is found that this kind of activated carbon to separate the material becoal activated carbon suppliercause of adsorption is too strong and can not elute, or because it is difficult to elute caused by the elution solvent is too large, the flow is not concentrated, you can use the third activated carbon.
Sometimes a combination of three activated carbons can be used to separate more complex natural pharmaceutical components.
For example, the sample to be separated is first passed through a third column of activated carbon, on which the component with the strongest adhesion to the activated carbon is adsorbed.
The unadsorbed material then passes through the second activated carbon, the less adsorbed material is adsorbed on the second column, and the unadsorbed material finally passes through the first activated carbon.
Thus, through three columns in turn, on which the adsorbed substances are eluted with appropriate eluents, it is possible to obtain a better separation of the very complex natural medicinal constituents.
Because of the fine particles of powdered activated carbon, it is inconvenient to operate, so in the practical application process, generally try not to use the first kind of active carbon.
No powdered activated carbon is another important reason for the adsorption of powdered activated carbon is too strong, there are many substances adsorbed on it is very difficult to elute, usually will be used after the adsorbent deactivation.granular activated charcoal
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#47 Gönderildi : 11 Kasım 2021 Perşembe 05:11:35(UTC)
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As the main energy source in our country, the pollutants produced by coal burning during the development and utilization of coal also worsen the atmospheric environment day by day.
The control of sulfur dioxide and nitrogen oxides pollution from coal burning has become the most urgent task in atmospheric environment control.
At present, China has applied some flue gas purification technologies such as wet, semi-dry, dry desulfurization, selective catalytic reduction denitration, wet combined desulfurization and denitration technology, electron beam method and so on.coal activated carbon supplier
These technologies are developed and applied only for one kind of pollutant, resulting in problems such as resource waste, large initial investment and high operating cost.
Therefore, it is an important subject for sustainable development to study the green and environment-friendly integrated flue gas purification technology with high efficiency, low cost and no secondary pollution.
Activated carbon has a large specific surface area, good microporous structure, strong regeneration ability, is a good adsorption material.
Activated carbon can realize desulfurization and denitration at the same time, no secondary pollution and renewable utilization of resources.
At present, the adsorption device of activated carbon adsorption process reported in the literature is mainly fixed bed, and this process has the disadvantages of large equipment, large bed resistance, poor continuity and so on.granular activated charcoal
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#48 Gönderildi : 12 Kasım 2021 Cuma 04:47:41(UTC)
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Activated carbon is a porous amorphous powder with crystalline properties.
By X - diffraction analysis, the structure of activated carbon is composed of carbon atoms with covalent bonds into a hexagonal shape (except the surface), and in two or more layers stacked into a plate, and the lattice of graphite is almost the same, but the plate of graphite is more closely combined.coal activated carbon supplier
Activated carbon has adsorption effect on gas or solute of some solution, and some are adsorbed on the surface of carbon, and some are adsorbed inside the structure of carbon.
The size of the adsorption force is related to the total surface area of the activated carbon, the finer the carbon particles, the greater the total surface area, the stronger the adsorption force, and vice versa.The size of Q in addition to the variety of activated carbon, but also with the nature of the adsorbed substance, concentration, water temperature and pH value.
Generally speaking, when the adsorbed material can react with the activated carbon, the adsorbed material is not easy to dissolve in water and is repulsed by water, and the activated carbon on the adsorbed material affinity force is strong, the concentration of the adsorbed material is larger granular activated charcoalgranular activated charcoal
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#49 Gönderildi : 12 Kasım 2021 Cuma 04:59:33(UTC)
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Activated carbon has a large specific surface area, good microporous structure, strong regeneration ability, is a good adsorption material.
Activated carbon can realize desulfurization and denitration at the same time, no secondary pollution and renewable utilization of resources.
At present, the adsorption device of activated carbon adsorption process reported in the literature is mainly fixed bed, and this process has the disadvantages of large equipment, large bed resistance, poor continuity and so on.coal activated carbon supplier
In this paper, the activated carbon desulfurization and denitration test bed, with the circulating fluidized bed as the main adsorption device, the activated carbon desulfurization and denitration test study.
Circulating fluidized bed flue gas purification technology can effectively avoid the shortcomings of the fixed bed adsorption process, such as complex equipment, large space occupied, and unstable bed resistance, etc., and the good cooperation with the bag filter can achieve the continuity of activated carbon adsorption and regeneration.granular activated charcoal
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#50 Gönderildi : 12 Kasım 2021 Cuma 05:00:58(UTC)
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In this paper, E-L equation and IAST theory are used for theoretical prediction and analysis of multi-component adsorption equilibrium, and compared with experimental results.
The results show that although the prediction of total adsorption amount by E-L equation is in good agreement with the experimental results, the prediction of each component adsorption amount by E-L equation often produces positive and negative deviation, and the average error is usually more than 20%.
However, IAST can eliminate the positive and negative deviation well, and the average error is less than 10%, which is more consistent with the experimental results.
The operating parameters showed that the adsorption capacity of activated carbon would decrease with the increase of temperature, gas velocity or humidity.
The appropriate operating range is: temperature within 40℃, gas speed between 0.1~0.5 m/s, humidity is best not more than 40%.wholesale activated carbon pellet
In this range, the relationship between pressure drop and gas velocity basically conforms to Ergun equation.www.chinactivecarbon.com/
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#51 Gönderildi : 13 Kasım 2021 Cumartesi 05:17:35(UTC)
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Under certain operating conditions, the gas mixture by adsorption bed, adsorption by adsorption, adsorption after a period of time, when starting from the adsorbent in the laminar flow of the gas adsorbed mass (or its concentration reaches a specified value), think bed fire, adsorption properties of adsorbent adsorption quantity at this time is called dynamic activity of adsorbent.
The activity is not only related to the characteristics of adsorbents and adsorbents, but also related to temperature, concentration and operating conditions.
The kinetic activity value of adsorbent is the main basis for the design of adsorption system.
The adsorption rateThe adsorption process often takes a long time to reach equilibrium, and the contact time is limited in the actual production process.Therefore, the amount of adsorption depends on the adsorption rate, and the adsorption rate is related to the adsorption process, the adsorption process can be divided intoThe adsorption process often takes a long time to reach equilibrium, and the contact time is limited in the actual production process.Therefore, the amount of adsorption depends on the adsorption rate, and the adsorption rate is related to the adsorption process, which can be divided into the following stepshttp://www.chinactivecar...ated-carbon-pellets.html
(1) External diffusion, the adsorbate from the main air flow through the air film around the particles to the outer surface of the adsorbent; (2) Internal diffusion, the adsorbate from the outer surface through micropores to the surface of the adsorbent microporesgranular activated charcoal
(3) adsorption, the adsorbent reached the microporous surface of the adsorbent is adsorbed
(4) The desorbed adsorbate diffuses to the main body of the gas phase through internal and external diffusionPhysical adsorption process is generally controlled by internal and external diffusion, chemical adsorption is controlled by both surface dynamics and internal and external diffusion.Because of the complexity of the adsorption process and many influencing factors, it is difficult to derive the rate theoretically, so it is generally determined by experience or model experiment.coal activated carbon supplier
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#52 Gönderildi : 15 Kasım 2021 Pazartesi 04:19:44(UTC)
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The general use of medicinal or chemical pure activated carbon. This kind of activated carbon particles is very fine, in powder form, the total surface area is particularly large, the adsorption capacity is very strong, the adsorption capacity is also very large, is the strongest kind of activated carbon adsorption force. But because the particles are too fine, the flow rate is too slow in the process of chromatography, the operation of pressure or decompression is needed, the procedure is more complicated, and the adsorption selectivity of various components is also poor, so it is less used in chromatography.
Medicinal or chemical pure activated carbon before leaving the factory after impurity treatment and metal limit inspection, can be used directly for chromatography. Industrial activated carbon is not processed by impurities before leaving the factory, often contains metal ions, affecting the separation effect, so it must be treated before use, its treatment methods are two.
www.chinactivecarbon.com/[/urLaboratory studies have shown that ceramic honeycomb activated carbon catalytic ozone oxidation technology and removal of trace organic matter in water has more obvious advantages, but the catalytic oxidation and active carbon process characteristics to be in-depth study, therefore the pilot was investigated through honeycomb ceramic catalytic ozonation and activated carbon catalytic ozonation and activated carbon filter combination process operation characteristics.l][url=http://www.chinactivecarbon.com/products/coal-activated-carbon-pellets.html]wholesale activated carbon pellet
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#53 Gönderildi : 15 Kasım 2021 Pazartesi 04:21:24(UTC)
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In painting, printing, shoe making, plastic, rubber, bonding and other industrial processes, there are a large number of organic waste gas emissions.These waste gas, often contain benzene, toluene, xylene, ethyl acetate, methanol and other organic matter, itself toxic, long-term damage can lead to human death.The emission of this kind of waste gas, countries have clear provisions, strict control of its emission concentrationThe treatment of organic waste gas has been studied for a long time, and some effective control technologies have been developed.The widely used and studied control techniques include adsorption method, thermal destruction method, condensation method, absorption method, etc.
emissions.It is estimated that more than 30 million tons of organic matter are released into the atmosphere worldwide every year, posing a serious threat to human health and plant and animal growth.Organic pollutants are mostly produced in industrial processes.
In painting, printing, shoe making, plastic, rubber, bonding and other industrial processes, there are a large number of organic waste gas emissions.These waste gas, often contain benzene, toluene, xylene, ethyl acetate, methanol and other organic matter, itself toxic, long-term damage can lead to human death.The emission of this kind of waste gas, countries have clear provisions, strict control of its emission concentrationThe treatment of organic waste gas has been studied for a long time, and some effective control technologies have been developed.The widely used and studied control techniques include adsorption method, thermal destruction method, condensation method, absorption method, etc.coal activated carbon supplier
Among them, the adsorption method is widely used.Compared with other methods, the adsorption method has the advantages of high removal efficiency, thorough purification, low energy consumption, mature technology, recovery and solution, easy popularization and practical, and has good environmental and economic benefits.Activated carbon is the most commonly used adsorbent because of its huge specific surface area, large adsorption capacity, easy regeneration, abundant sources and low price.Although the application of charcoal as an adsorbent, human beings have had a long time, but the study of adsorption theory, but only in the end of the last century began to make progress.granular activated charcoal
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#54 Gönderildi : 15 Kasım 2021 Pazartesi 04:24:16(UTC)
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1. Combined with Zeta potential, sedimentation experiment, viscosity measurement and other methods, the influence of various dispersants on CEO and slurry suspension effect was studied.
The results showed that the formula with good stability was the appropriate concentration of mixed dispersant (NAP +SBN) or (NAP +PAM+SBN).
2. The removal rate of CEOZ slurry prepared with mixed dispersant (NAP +PAM+SBN) in the processing of K9 glass by MASJP was higher than that of other mixed dispersants.
By comparing the processing effect of MASJP with and without mixed additives, it is found that the processing effect of MASJP with mixed additives (NAP +PAM+SBN) has higher surface quality, which can significantly reduce the interface area between the polished area and the unpolished surface and increase the smooth surface as much as possible.3. Combining online observation and single factor method, the formation process of the surface features of the polished area was studied. The experimental results showed that the surface morphology of the polished area showed a W-shaped bowl structure in the vertical jet machining, and an eccentric bowl structure in the crescent shape in the oblique jet machining.Compared with the abrasive water jet machining effect, it is found that the W shape and crescent shape characteristics of the polishing region of MASJP are relatively flat, the smooth surface is larger and the surface quality is higher.
4. When applying nozzle with different outlet shapes in MASJP, it is found that the fluid ejected from the cylindrical nozzle flows out along the direction of the jet and does not disperse.
The processing area of the fan-shaped nozzle is large, the polishing area is approximately a rectangle, and the removal depth near the nozzle is larger.Hollow conical nozzle processing finished parts, the polishing area formed a hollow circle, the central part of the removal of less, the circumference of the removal of deep;The removal depth of the polishing area decreases gradually from the center to the circumference after the finished piece is processed by the solid conical nozzle.activated charcoal powder
5, the workpiece surface profile and material removal depth with the selection of polishing slurry composition changes.With the increase of abrasive concentration, the material removal depth increases, which is roughly in a proportional relationship.With the increase of abrasive particle size, the material removal depth also increases.www.activated-carbon-pellets.com
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#55 Gönderildi : 16 Kasım 2021 Salı 03:14:34(UTC)
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1. Combined with Zeta potential, sedimentation experiment, viscosity measurement and other methods, the influence of various dispersants on CEO and slurry suspension effect was studied.
The results showed that the formula with good stability was the appropriate concentration of mixed dispersant (NAP +SBN) or (NAP +PAM+SBN).
2. The removal rate of CEOZ slurry prepared with mixed dispersant (NAP +PAM+SBN) in the processing of K9 glass by MASJP was higher than that of other mixed dispersants.
By comparing the processing effect of MASJP with and without mixed additives, it is found that the processing effect of MASJP with mixed additives (NAP +PAM+SBN) has higher surface quality, which can significantly reduce the interface area between the polished area and the unpolished surface and increase the smooth surface as much as possible.3. Combining online observation and single factor method, the formation process of the surface features of the polished area was studied. The experimental results showed that the surface morphology of the polished area showed a W-shaped bowl structure in the vertical jet machining, and an eccentric bowl structure in the crescent shape in the oblique jet machining.Compared with the abrasive water jet machining effect, it is found that the W shape and crescent shape characteristics of the polishing region of MASJP are relatively flat, the smooth surface is larger and the surface quality is higher.
4. When applying nozzle with different outlet shapes in MASJP, it is found that the fluid ejected from the cylindrical nozzle flows out along the direction of the jet and does not disperse.
The processing area of the fan-shaped nozzle is large, the polishing area is approximately a rectangle, and the removal depth near the nozzle is larger.Hollow conical nozzle processing finished parts, the polishing area formed a hollow circle, the central part of the removal of less, the circumference of the removal of deep;The removal depth of the polishing area decreases gradually from the center to the circumference after the finished piece is processed by the solid conical nozzle.www.chinactivecarbon.com/
5, the workpiece surface profile and material removal depth with the selection of polishing slurry composition changes.With the increase of abrasive concentration, the material removal depth increases, which is roughly in a proportional relationship.With the increase of abrasive particle size, the material removal depth also increases.wholesale activated carbon pellet
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#56 Gönderildi : 17 Kasım 2021 Çarşamba 03:08:02(UTC)
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There are two types of air pollutants: particulate matter and gaseous matter, among which gaseous pollutants account for the main part, accounting for more than 75% of the pollutants discharged into the atmosphere worldwide every year. Gaseous pollutants are divided into inorganic pollutants and organic pollutants.In terms of species, organic pollutants account for the vast majority.Of the 25 gases listed by the U.S. Environmental Protection Agency (EPA) as toxic There are two types of air pollutants: particulate matter and gaseous matter, among which gaseous pollutants account for the main part, accounting for more than 75% of the pollutants discharged into the atmosphere worldwide every year. Gaseous pollutants are divided into inorganic pollutants and organic pollutants.In terms of species, organic pollutants account for the vast majority.Of the 25 gases listed by the U.S. Environmental Protection Agency (EPA) as toxic emissions, 18 are organic.These 18 kinds of organic matter account for 74.2% of toxic gas emissions.It is estimated that more than 30 million tons of organic matter are released into the atmosphere worldwide every year, posing a serious threat to human health and plant and animal growth.Organic pollutants are mostly produced in industrial processes.
In painting, printing, shoe making, plastic, rubber, bonding and other industrial processes, there are a large number of organic waste gas emissions.These waste gas, often contain benzene, toluene, xylene, ethyl acetate, methanol and other organic matter, itself toxic, long-term damage can lead to human death.The emission of this kind of waste gas, countries have clear provisions, strict control of its emission concentrationThe treatment of organic waste gas has been studied for a long time, and some effective control technologies have been developed.The widely used and studied control techniques include adsorption method, thermal destruction method, condensation method, absorption method, etc.
emissions.It is estimated that more than 30 million tons of organic matter are released into the atmosphere worldwide every year, posing a serious threat to human health and plant and animal growth.Organic pollutants are mostly produced in industrial processes.granular activated charcoal
In painting, printing, shoe making, plastic, rubber, bonding and other industrial processes, there are a large number of organic waste gas emissions.These waste gas, often contain benzene, toluene, xylene, ethyl acetate, methanol and other organic matter, itself toxic, long-term damage can lead to human death.The emission of this kind of waste gas, countries have clear provisions, strict control of its emission concentrationThe treatment of organic waste gas has been studied for a long time, and some effective control technologies have been developed.The widely used and studied control techniques include adsorption method, thermal destruction method, condensation method, absorption method, etc.
Among them, the adsorption method is widely used.Compared with other methods, the adsorption method has the advantages of high removal efficiency, thorough purification, low energy consumption, mature technology, recovery and solution, easy popularization and practical, and has good environmental and economic benefits.Activated carbon is the most commonly used adsorbent because of its huge specific surface area, large adsorption capacity, easy regeneration, abundant sources and low price.Although the application of charcoal as an adsorbent, human beings have had a long time, but the study of adsorption theory, but only in the end of the last century began to make progress.coal activated carbon supplier
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#57 Gönderildi : 17 Kasım 2021 Çarşamba 03:09:10(UTC)
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Chapter 1 This project adopts the company's own large amount of monolayer stone which can be dried and preserved and treated with solution
Preparation method of graphite namely graphene.
Raw materials are commonly used graphite and common chemicals, easy to operate, easy to enlarge. It solves the problem that graphene materials are expensive and cannot enter the field of industrial application without large-scale production. It provides a basis for large-scale application of graphene.Using the super conductivity and large specific surface area of graphene solves the problem that the traditional activated carbon material can no longer improve the electric storage performance when used on the electrode. Complete set of equipment in addition to solve the industrial method of graphene liquid phase composite to activated carbon materials for super capacitor, and can be activated activated carbon materials at room temperature. Complete sets of equipment meet the requirements of cleaner production.
Chapter 2 The quality of graphene prepared by this project is guaranteed.
The graphene prepared by white has a high monolayer rate (up to 99%), fewer defects, and can be dried for a long time. Can be prepared into a variety of solutions to facilitate compounding with other materials. Raw material is natural graphite from a wide range of sources, is prepared by industrial methods can be scaled up production. To make the industrial application of graphene possible, promote the advancement of high-tech materials, and promote industrial development.wholesale activated carbon pellet
Chapter 3 Graphene-modified activated carbon for supercapacitor has good technical performance:Long cycle life, graphene modified ultracapacitors mountain in its storage process does not produce chemical reaction, the energy storage process is reversible, no "memory effect", can be repeated charge and discharge hundreds of thousands of times, 500 times that of corrosion ion batteries, nickel-metal hydride and nickel cadmium battery is 1000 times, if the ultracapacitors charge-discharge 20 times a day, continuous use of up to 68 years:
High efficiency: super current discharge capacity, high energy conversion efficiency, small process loss, high current energy cycle efficiency ≥90%.wholesale activated carbon pelletwww.chinactivecarbon.com/
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#58 Gönderildi : 17 Kasım 2021 Çarşamba 03:12:14(UTC)
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Katılan: 8.3.2021(UTC)
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Hong Kong
Konum: 香港

The background of the project and the necessity of investment construction
In recent years, with the continuous decrease of wood resources and the deterioration of ecological environment worldwide, environmental protection, the realization of sustainable development and comprehensive utilization of resources have become a common concern ofpeople and a problem that the international community is committed to solving.To further improve the level of comprehensive utilization of wood resources and the added value of products has become the main goal of the world wood processing industry.
China has a large population and is short of forest resources. The per capita forest stock volume is 0.12m3, lower than the world average level of 0.65 m3.China's wood comprehensive utilization level is also low, only 40%, and advanced countries can reach 80%, and in the level of technology, product grade, production efficiency, market competitiveness and other aspects compared with the developed countries also have a big gap. activated charcoal powder
At present, China consumes 250 million MR of wood annually, and imports 3 billion US dollars of wood and forest products annually to make up for the shortage.In order to ensure the fundamental interests of China's forestry enterprises, extend the industrial chain of wood processing products, and promote the development of China's timber industry to the efficient utilization of wood based on the deep processing of products and the comprehensive utilization of raw materials, it has become the pursuit of China's forestry industry
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The target of the.Yakeshi city junxi wood industry co., LTD. To meet the needs of market development, actively develop wood waste processing projects, has made the enterprise in technology, management, personnel with a strong development potential.www.activated-carbon-pellets.com
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#59 Gönderildi : 18 Kasım 2021 Perşembe 03:39:22(UTC)
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Katılan: 8.3.2021(UTC)
Mesajlar: 183
Hong Kong
Konum: 香港

When the activated carbon adsorbed impurities contained in the water, the dissolved impurities in the water accumulated on the surface of the activated carbon and were adsorbed, but also some of the adsorbed substances left the surface of the activated carbon due to the movement of molecules,wholesale activated carbon pellet and re-entered the water at the same time desorption phenomenon. When adsorption and desorption are in a state of dynamic equilibrium, it is called adsorption equilibrium. At this point, the solute concentration between activated carbon and water (i.e. solid and liquid phase) has a certain distribution ratio. If under certain pressure and temperature conditions, with m grams of activated carbon adsorption solute in the solution, the solute adsorption is X mg, then the number of activated carbon adsorption solute per unit weight q. , that is, the adsorption capacity can be calculated as followswww.chinactivecarbon.com/
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#60 Gönderildi : 18 Kasım 2021 Perşembe 03:42:34(UTC)
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Sıralama: Üye

Madalyalar: Yeni üye: 10

Katılan: 8.3.2021(UTC)
Mesajlar: 183
Hong Kong
Konum: 香港

The preparation methods of activated carbon include physical method, chemical method, microwave radiation method, etc.(1) Physical method.
Physical method is to use carbon dioxide, water vapor or the mixture of both as activator, the carbonized carbon material and gas in the activation furnace at 500~1200℃ for carbon activation reaction, so that the pore size of the carbonized material to expand, the formation of activated carbon with porous microcrystalline structure.Gas activation method mainly includes carbonization and activation engineering.The so-called carbonization, refers to the low temperature (about 500℃) is small, the volatile coal tar molecules in the material and the thermal decomposition and curing process of asphalt, that is, to remove the volatile in advance, made suitable for the next step of activation with carbonization.coal activated carbon supplier
When the temperature is below 600℃, the specific surface area of carbonized material increases with the increase of temperature.When 600~900℃, the specific surface area reaches a certain value: 250~300 m2/g; when above1000℃, the specific surface area shrinks rapidly.granular activated charcoal
When the carbonization temperature is above 800℃, the reaction performance of carbonized compounds and activation gas gradually becomes weaker, so the carbonization temperature is generally below 1000℃. At present, China consumes 250 million MR of wood annually, and imports 3 billion US dollars of wood and forest products annually to make up for the shortage.In order to ensure the fundamental interests of China's forestry enterprises, extend the industrial chain of wood processing products, and promote the development of China's timber industry to the efficient utilization of wood based on the deep processing of products and the comprehensive utilization of raw materials, it has become the pursuit of China's forestry industry
Water rice only previews downloaded documents in HD without watermark
The target of the.Yakeshi city junxi wood industry co., LTD. To meet the needs of market development, actively develop wood waste processing projects, has made the enterprise in technology, management, personnel with a strong development potential.However, if the residual volatile content and thermal effect are taken into account, the most suitable temperature should be 600~700℃39].
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