Effect of coal based columnar activated carbon on water & air purification related questions

Answers
Asked by
Updated
Effect of coal based columnar activated carbon on water & air purification2dingxinda92021-01-21 03:38:10
Coal-based columnar activated carbon is a small helper for sewage and wastewater treatment, and it is cylindrical granular. Its use quickly spreads to remove harmful odors in the water. Its unique ability to attract and trap chemical substances makes activated carbon play an important role in protecting the environment. And what role does coal-based columnar activated carbon play in water treatment and air purification? Coal-based columnar activated carbon can be used at multiple levels in the water treatment process to filter domestic drinking water, remove organic matter, pesticides and herbicides and other pollutants. Coal-based columnar activated carbon also plays an important role in the treatment of industrial wastewater. yongruida active carbon pellets    It can remove dangerous organic and harmful odor-producing substances, and make waste return to a safe state before disposal or reuse. Coal-based columnar activated carbon is used in water treatment. Aspect application. The coal-based columnar activated carbon also plays an important role in air purification. Just move to a new home to remove formaldehyde. There are peculiar smells and smoke in the car. It can also be used to prevent moisture on wooden floors. Coal-based columnar activated carbon has strong adsorption properties and can absorb all kinds of harmful substances and give us fresh air. coconut shell activated carbon product Now you understand what role the wooden columnar activated carbon plays in water treatment and air purification? 
Characteristics of coal-based activated carbon for water purification02021-03-09 21:46:50
There are many kinds of coal-based activated carbon for water purification, among which the commonly used are coal-based columnar activated carbon, coal-based granular activated carbon, coal-based powdered activated carbon, and coal-based spherical activated carbon. Most of the coal-based activated carbon used for water purification is refined from selected anthracite coal as raw materials.activated charcoal wholesale supplier   It has the characteristics of large specific surface area, developed pore structure, fast adsorption speed and easy regeneration. It is mainly used for benzene, toluene, xylene, and ether. , Alcohols, gasoline, trichloromethane, tetrachloromethane, acetone and other organic solvents, as well as hydrocarbon compound vapor recovery. Activity means that the fluid mixture passes through the coal-based activated carbon bed, where the adsorbate is adsorbed. website  After some time of operation, the fluid flowing out of the coal-based activated carbon bed begins to contain a certain amount of adsorbate, indicating that the coal-based activated carbon bed has lost its adsorption capacity At this time, the amount of adsorbate that has been adsorbed on the activated carbon is called the activity of the activated carbon. Important data required for adsorption system. The standard practical method for determining the adsorption capacity of coal-based activated carbon by the liquid phase isotherm method can be used to determine the adsorption capacity of original and reactivated and powdered activated carbon.  
Activated carbon of Chinese retail point how water purification effect02021-07-24 00:29:54
Microwave heating can produce good effects in the preparation and modification of activated carbon (S2. Microwave modification, many backwater hole is opened, the distributed capacitance change obviously, promoting the improvement of the adsorption. The microwave power and irradiation time are key determinants of modified activated carbon adsorption performance. On the mechanism of microwave carbonization and activation, it is generally believed thatgranular activated charcoal buy  Plant waste is mostly made of plant fiber raw materials, in the plant body under the action of capillary, modified solution absorbed by material whole fully, between fiber is filled with the subtle space, make the dry material volume expansion after soaking wet, and reaction. Because of the water in the raw material, modified solution constitute a polar molecule, with a strong absorption of microwave dielectric properties,Therefore, polar molecules collide and rub violently with microwave frequency, generating a large amount of heat, which makes water and modified solution volatilize rapidly, and generate steam pressure, which explodes out from the inside of the raw material to the outside. This sharp action makes the fiber space of the raw material expand and produce sharp drying.In this way, the raw material has a more obvious pore structure and a larger internal specific surface area than before microwave irradiation. Compared with the traditional heating method, the mechanism of microwave in the preparation process of activated carbon is completely different.It shows its unique advantages: high efficiency, energy saving, uniformity, selectivity, low pollution, high thermal efficiency, low energy consumption, simple process and equipment and small footprint, conducive to automation, low carbon loss, and recovery of useful substances.www.coalactivatedcarbon.com   Many theoretical problems in this new field, especially the microwave heating mechanism, need to be further studied, and the mathematical model of the heating process needs to be established 
Introduction to the application of coal columnar activated carbon02020-12-09 22:33:15
Using anthracite as a raw material, processing through a unique production process, and then through molding and other procedures, a black cylindrical granular activated carbon can be produced. This activated carbon product is a coal-based columnar activated carbon.  Nowadays, activated carbon is used very much, and it is used in various fields. It has brought great help to our country's industrial production and also made a very important contribution to environmental protection. granular activated carbon manufacturers   The coal-based columnar activated carbon produced by our company is also used a lot, the effect is very good, and it is used in many industrial production. For example, the effect is very prominent in the fields of wastewater treatment and waste gas treatment, and the amount of use is also large.  Traditional coal-based columnar activated carbon uses anthracite as the raw material, and is then produced through the steps of crushing, forming, carbonization and activation, but our company now uses very advanced technology, using high-quality coal raw materials. After production, the activated carbon is produced The product is even better. Although there is no big difference in appearance, they are all black cylindrical particulate matter, but our company’s products have a more reasonable microporous structure. Products of the same volume can absorb more impurities, so the adsorption function is better than Other products are stronger. Moreover, this activated carbon product has high mechanical strength, can be used repeatedly, and the price is relatively much cheaper.  This coal-based columnar activated carbon can be used in a wide range, for example, it can be used in many fields for water treatment. powdered carbon For example, tap water treatment, industrial wastewater treatment, beverage production, etc., will all use activated carbon products. In the field of air treatment, its importance is self-evident. For example, the purification of industrial waste gas, the recovery of toxic gases, and the separation of some oil and gas mixtures, etc., require a very large amount of activated carbon.  In fact, there are many types of coal-based columnar activated carbon, such as ordinary activated carbon, which is used in industrial waste gas treatment and wastewater purification. The slightly better one can be used for the treatment of drinking water and the recovery of impurities in the wastewater of electronic factories, and it can also be used for the decolorization of chemical raw materials. The effect is also very significant. Good activated carbon products can be used in the food industry, because this industry has very high requirements and requires the use of higher-level products.  In fact, whether it is coal-based columnar activated carbon or wood, their essence is the same, but the raw materials are different, so the price and cost are different, and the adsorption performance is also different, so when we buy it, we choose according to personal needs and use environment.
Activated carbon air purification and water purification02021-08-30 00:09:15
Increase the number of activated carbon mesh and millimeter corresponding table content and related websites. It's not advertising. It's a lot of help to consumers. Now activated carbon is in accordance with the eye, but we do not know that the eye can be changed into millimeters.www.powdered-activated-carbon.com  Activated carbon is widely used in all aspects of industrial and agricultural production, such as the petrochemical industry without alkali deodorization (refined demercaptan), ethylene desalting water (refined filler), catalyst carrier (palladium, sales, men, etc.), water purification and sewage treatment; Water quality treatment and protection of power plants in the power industry; Chemical industry of chemical catalyst and carrier, gas purification, solvent recovery and oil and other decolorization, refining; Food industry beverage, wine, MSG mother liquor and food refining, decolorization; Gold extraction and tailings recovery in the gold industry; Environmental protection industry sewage treatment, waste gas and harmful gas treatment, gas purification; As well as related industries of cigarette filter, wood floor moistureproof, taste absorption, automobile gasoline evaporation pollution control, the preparation of various impregnation liquid, etc. Activated carbon in the future will have excellent development prospects and broad sales market. pelletized activated carbon 
Number of coal particles and purification capacity of activated carbon02021-08-26 23:02:37
Main uses of activated carbon: 1. Used for liquid phase adsorption of activated carbon · Tap water, industrial water, electroplating wastewater, pure water, beverage, food, medicine water purification and preparation of electronic ultra-pure water. · Decolorization, purification and purification of sucrose, xylose, monosodium glutamate, medicine, citric acid, chemical products and food additives · Decolorization, impurity and flavor removal of grease, oil products, gasoline and diesel oil, purification, deodorization and impurity removal of alcohol and beverages · Purification, refining, decolorization and filtration of products in fine chemical, pharmaceutical and pharmaceutical processes. Environmental protection engineering wastewater, domestic wastewater purification, decolorization, deodorization, COD reduction 2. Used for gas phase adsorption of activated carbon · Adsorption and recovery of benzene, toluene, xylene, acetone, oil and gas, CS2 and other organic solvents. · Non-smoke filter, decoration odor removal, indoor air purification (removal of formaldehyde, benzene, etc.), industrial gas purification (such as CO2, N2, etc.) Petrochemical industry production, natural gas purification, deodorization, deodorization, waste gas treatment · Air 'i purification and deodorization in biochemical, paint industry, underground places, leather factories and animal feeding places. · Adsorption of odor and sulfide in flue gas, removal of mercury vapor, and reduction of generation of dioxin. 3. Active carbon used in high demand fields Catalyst and catalyst carrier (palladium carbon catalyst, nail carbon catalyst, money carbon catalyst, platinum carbon catalyst), precious metal catalyst and synthetic diamond, gold extraction. Blood purification, automotive carbon tank, high-performance fuel cell, double electric layer super capacitor, lithium battery anode materials, energy storage materials, military, aerospace and other high-demand fields. 
Coal-based powdered activated carbon02021-04-15 00:03:58
Because activated carbon has numerous small pores, large surface area, strong adsorption capacity, can adsorb a variety of organic compounds, widely used in pharmaceutical industry and chemical industry.fused alumina manufacturer  Especially in the field of medicine, activated carbon, as a highly effective gastrointestinal cleaning agent, can effectively adsorb pesticide residues, fungicides, heavy metals, dioxins, various pathogenic bacteria and toxins in the digestive tract and human body that damage human health or cause disease wastes, harmless to human body.www.hslabrasive.com  With the rapid development of pharmaceutical preparation industry and primary molecular material industry, the microencapsulated activated carbon products coated with polymer materials have been successfully trial-produced in foreign countries, and applied in clinical practice, the medical care and treatment effect is very good, many of them have been put into the market, and have achieved good economic and social benefits. It is worth noting that there is a shortage of activated carbon in China. For a long time, the production of drugs using activated carbon as raw materials has been kept in the laboratory, and no products have been marketed or used in clinical trials. Experts said that with the continuous improvement of people's life quality and health care consciousness enhancement, as well as the rapid development of all kinds of industrial, environmental pollution has been increasingly serious, people an opportunity to contact with a variety of harmful material, activated carbon and activated carbon as the leading raw material to produce medicines and health products, medical market will become a major conventional leading consumer products, 
Water purification of activated carbon02021-11-25 22:06:14
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. 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. 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℃. However, if the residual volatile content and thermal effect are taken into account, the most suitable temperature should be 600~700℃39]. The carbonized substance obtained from the carbonization process is placed in water vapor or a mixture of water vapor and combustion gas and heat treated at 800~1000℃, which is called the activation process. The commonly used activation gases are carbon dioxide, water vapor, oxygen, etc., due to the oxidation reaction of these gases on the surface of the carbonized substance, eroding the carbonized substance, thus producing a rich porous structure.(2) Chemical method. Chemical activation method is a method of preparing activated carbon by adding chemicals to the raw materials used or impregnation into the raw materials or carbonized materials, and then heating it at high temperature in inert gas.The chemicals used in chemical activation are generally dehydrating.The more commonly used activator is: inorganic acid varieties have phosphoric acid, sulfuric acid and boric acid, salt varieties have zinc chloride, calcium carbonate and potassium sulfate, alkali varieties have sodium hydroxide, potassium hydroxide, etc. 
Purification water of activated carbon02021-12-29 21:38:09
If the gas speed is very small, the size of the adsorber is large and uneconomical. If the gas velocity is too large, the pressure drop will increase and the adsorption efficiency will be affected.The optimum gas velocity was determined by experiment.activated carbon pellets wholesale  The adsorption design can not pursue too high adsorption efficiency, the empty tower speed value is reduced, it will make the adsorption bed volume, the amount of adsorbent and equipment cost increased greatly;On the contrary, it is not appropriate to take too large empty tower gas speed. Although the equipment cost is low, the adsorption efficiency drops a lot, and the pressure drop of the system will rise rapidly with the increase of the empty tower speed, resulting in excessive power consumption. Therefore, due to the selection of the appropriate air speed of the empty tower, the most suitable air speed of the empty tower is 0.8~1.2m/s"21, according to the empirical conclusion, this design determines www.powdered-activated-carbon.com  Air velocity of empty tower :U= 1.0m /s.Original conditions:Treatment air volume :Q=20000 m'h, design temperature is 35° C, pressure is 1.01325×103Pa Since the proportion of air in exhaust gas is far greater than that of pollutants, the properties of exhaust gas can be approximately viewed as the thermophysical properties of dry air. Please refer to Appendix 9 of Principles of Chemistry to obtain the following data:Properties of air mixture:Fluid density P;=1.147kg/ m', viscosity u,= 1.94×10-5 Pa.S, specific heat capacity C,=1.005kJ/(kg."C) 
Purification water of activated carbon02021-12-29 21:48:20
On the basis of industrial test, the technical indexes, pore structure and adsorption properties of activated carbon for water purification by crushing block were analyzed and studied. The results show that there are two kinds of micropores in the activated carbon, and the contribution of micropores to the specific surface area, activated carbon wholesale pore volume and adsorption performance of activated carbon is much larger than that of medium and large pores. It is a kind of activated carbon with low ash content, high strength, narrow pore distribution, high specific surface area and excellent adsorption performance. After analysis and calculation, the mesopar diameter of activated carbon is 6.71A, BET surface area is 764.83m2 /g, Langmuir specific surface area is 1229.5m3 /g, internal specific surface area is 91.50m3 /g, external specific surface area is 673.33m37g, and micropore volume is 0.133 cm3/g. When P/P=0.30, the maximum specific surface area is 809.776 m'7g, and the maximum pore volume is 0.412 cm'/gc activated carbon for gold recovery 
Activated carbon water purification and products02021-11-25 22:20:53
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.Activated carbon water purification and products  norit granular activated carbon  The adsorption characteristics of pure acetone gas on activated carbon were measured. Langmuir model and Dubinin-Radushkevichv (D-R) model were used to fit the adsorption data, respectively. The Langmuir model and D-R model were compared from the Angle of model fitting accuracy and prediction of adsorption heat. Compared with Langmuir model, D-R model has higher fitting correlation coefficient and lower average relative standard deviation for adsorption data, so the fitting result is better. Based on 10-4-3 potential function, the theoretical adsorption heat of pure acetone gas on activated carbon is 17.9 kJ/mol, which is relatively small, indicating that the adsorption is mainly physical adsorption. The predicted value of adsorption heat of D-R model is 15.8kJ/mol, which is close to the theoretical calculated value, and the predicted value of adsorption heat of Langmuir model is 40.7 kJ/mol, which is much larger than the theoretical calculated value. It is found that the key to predict the filtration efficiency of different compounds is to predict the heat of adsorption of compounds. The filtration efficiency is mainly related to the adsorption temperature v, the amount of activated carbon, pore volume, molecular weight of the compound, collision diameter and energy parameters. The influence of pore size on filtration efficiency and adsorption selectivity can be obtained by analyzing adsorption energy. coal based granular activated carbon 
Activated carbon water purification and development02021-11-23 00:15:59
Distillation, activation treatment after the production of activated carbon methods are :① steam, gas activation method.Carbon is activated by water vapor or carbon dioxide at 850~900℃. ② chemical activation method.Activated carbon can be obtained after high temperature treatment by using the gas released by the activator or soaking the raw material with the activator.Activated carbon has a micro product structure, the micro product arrangement is completely irregular, the product body has micropores (radius is less than 20[angstroms]=10-10 meters), through the hole (halfDiameter 20~1000), large hole (radius 1000~100000), so that it has a large inner surface, specific surface area of 500~1700 m 2/ g.This determines that activated carbon has good adsorption, can adsorb the metal ions in waste water and waste gas, harmful gases, organic pollutants, pigments and so on.norit granular activated carbon  Industry should beActivated carbon also requires high mechanical strength, good wear resistance, its structure is stable, small energy required for adsorption, in order to be conducive to regeneration.Activated carbon for oilDecolorization, deodorization, gas separation, solvent recovery and air conditioning of fat, beverage, food and drinking water, used as catalyst or adsorbent for body and gas mask.Physical characteristics:Activated carbon is a kind of multi-aperture carbonization, has a very rich pore structure, has good adsorption characteristics, its adsorption by physical and chemicalAbsorbed from the force, the appearance of the color and lustre is black.Its composition in addition to the main carbon, but also contains a small amount of hydrogen, nitrogen, oxygen, its structure is shaped like a hexagon, due to the irregular hexagon structure, determine the characteristics of its body also incandescentand high surface area, each gram of activated carbon has the equivalent of 1000 square meters than the surface. coal based granular activated carbon 

Ask New Question  

  • You are not logged in,answer will be Anonymous.Set Nickname | Sign In | Sign Up
  • tags separate by ','
  • Shortcuts:Ctrl+Enter

Latest Questions