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activated carbon manufacturers 02022-02-11 22:53:38
CO, the activator, the activation of the burning loss rate is large. However, the pore structure of activated carbon was not developed, indicating that the newly formed potassium carbonate in the pore channels was more likely to react with carbon during the activation process of potassium hydroxide, and the pore structure was further developed. powdered activated carbon (pac)  According to the standard Gibbs free energy of the reaction, K· Co (or K;O) direct reaction with carbon is difficult to be carried out at the activation temperature of 730℃, indicating that they react with -CH- and -CHZ - in petroleum coke and play an activation role.The elemental potassium generated from the activation reaction intercalated and activated the petroleum coke, and the specific surface area of the activated product reached 98m'g1.XRD analysis showed that there were potassium to graphite intercalated compounds in the activated product.According to the study results of activation mechanism, the mixing of additive N can improve the dispersion of alkali and the activation of additive N at high temperature to improve the activation effect.Activated carbon with a yield of 68% and a specific surface area of 2532m'g can be obtained under the conditions of alkali-coke ratio of 3:1, activation temperature of 730℃ and activation time of 30 minutes.At the same time, the amount of hydrogen produced in the activation reaction is large, reaching 38cm'g 'min', and hydrogen can be separated and purified.activated carbon manufacturers   Thus, a one-step process for the preparation of activated carbon with high specific surface area was proposed.Compared with the conventional method, the process reduces the production cost, shortens the production time, saves energy, and lays a foundation for further industrial production.The prepared petroleum coke based activated carbon was used as the carrier.The catalyst supported by Ni-Mo has similar hydrodesulfurization activity with commercial catalysts. The DBT conversion rate is more than 98% at 290℃ and the catalyst has high stability.The pore size distribution of petroleum coke based activated carbon with high specific surface area is mostly between 1.0~ 2.0nm. The methane storage experiment using this sample shows that it has a high methane storage performance: at 1.4 MPa, room temperature, the mass adsorption capacity of methane is 0.112 Gg 
activated carbon manufacturers uae 02022-01-19 23:08:42
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 gold adsorption onto activated carbon 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. 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 manufacturers uae   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. 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. 
Activated carbon anthracite raw materials with prices and manufacturers02022-01-13 22:50:37
F - Sorb 2400 specific surface tester is really able to BET method detection instruments (both direct comparison method), the more important F - Sorb 2400 specific surface tester is by far the only specific surface area of the fully automated intelligent testing equipment, the test results with the international high consistency, the stability is very good also, at the same time reduce the human error, improve accuracy test results. gold adsorption onto activated carbon  The adsorption capacity of activated carbon on each gas (unit: mL /cm3):H2, O2, N2, CI2, CO2 4.5, 35, 11, 494, 97 The main factors affecting the adsorption of activated carbon ① the nature of activated carbon adsorbent The larger the surface area, the stronger the adsorption capacity; Activated carbon is a non-polar molecule, easy to adsorb non-polar or very low polarity adsorbentactivated carbon manufacturers uae   The size of the activated carbon adsorbent particle, the structure and distribution of the fine pore and the surface chemical properties also have a great influence on the adsorption. (2) the nature of the adsorbent Depends on its bath solubility, surface white energy, polarity, adsorbate molecule size and unsaturation, the concentration of adsorbate, etc ③ Wastewater pH value Activated carbon generally has a higher adsorption rate in acidic solution than in alkaline solution. The pH value will affect the state and bath solubility of the adsorbent in the water towel, thus affecting the adsorption effect. ④ Coexisting substances When a variety of adsorbates coexist, the adsorption capacity of activated carbon to a certain adsorbate is worse than that containing only the adsorbate (5) temperature The effect of temperature on the adsorption of activated carbon is small 
What is the majority of carbonization process of activated carbon? How to produce high quality activated carbon in large quantities02021-07-10 01:00:27
Generally speaking, forming carbon can be mixed with a variety of raw coal to adjust the pore distribution characteristics of the final product, so as to obtain some special application performance, and more than 80% of the pore distribution characteristics of raw coal directly broken carbon has been determined by the raw material, so the performance and use is simple.activated carbon manufacturers  (2) wood activated carbon.It is mshell/core activated carbon.Such as coconut shell carbon, apricot kernel carbon, peach kernel carbon, etc.(4) petroleum activated carbon.Using petroleum asphalt, petroleum coke as raw materials, made of activated carbon products.resin activated carbon.Using phenolic resin, waste ion exchange resin as raw materials, through a special process of activity.Carbon products, sometimes fibrous carbon also falls into this category.High - definition watermark of cut document under air(6) other small varieties of activated carbon products. Made of animal blood blood carbon, made of animal bones bone charcoal (there is very little, but bone charcoal carbon main ingredients of hydroxy calcium phosphate), with active carbon molecular sieve made of various materials, made of strong base and carbon materials of high surface area activated carbon, is made of organic polymer solution after mold made of special process method of activated carbon, activated carbon aerogels and so on. coal activated carbon manufacturer  Some of them are very small production and dosage, and some are still in the laboratory research stage, so they are included in the category of small varieties of activated carbon products. ade of all kinds of hard wood, crop wastes, and other industrial and agricultural wastes containing lignocellulose The beansMaterial as raw material, through the chemical method, physical method or physical-chemical combination of activated carbon. 
Activated carbon are widely used Activated carbon purifies how clean water is 02021-07-18 23:14:58
Adsorption capacity refers to the amount of adsorbents adsorbed on the adsorbent per unit mass under certain conditions. It is usually expressed in terms of K adsorbents /kg of adsorbent or mass percentage, which is a sign of the adsorption capacity of the adsorbent. In industry, the amount of adsorption is called the activity of the adsorbent.activated carbon powder suppliers  The activity of the adsorbent can be expressed in two ways :(1) the static activity of the adsorbentUnder certain conditions, the equilibrium adsorption capacity of the adsorbent is its static activity.For a certain adsorption system, the static activity depends only on the adsorption temperature and the concentration or partial pressure of the adsorbed substance.https://www.activated-carbon-pellets.com   Dynamic activity of adsorbents 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. 
What is the difference between coconut shell activated carbon and columnar activated carbon?02021-02-02 17:57:10
1. First of all, it is clear from the appearance that the columnar activated carbon has the appearance of black cylindrical particles. coconut shell activated carbon for gold recovery The appearance of coconut shell activated carbon is black amorphous granular. 2. The difference between columnar activated carbon and coconut shell activated carbon in terms of material. The columnar activated carbon is made of fine anthracite as raw material and refined by advanced technology. Coconut shell activated carbon is made of fine coconut shell through a series of production processes. 3. Columnar activated carbon and coconut shell activated carbon have different physical and chemical indicators and components. Coconut shell activated carbon and columnar activated carbon can also be used for the purification of toxic gases, waste gas treatment, industrial and domestic water purification, solvent recovery, etc. buy bulk activated carbon pellets Based on the standards produced by activated carbon manufacturers, which one to choose depends on the needs of users and the scope of use. 4. The price of columnar activated carbon and coconut shell activated carbon can be said to be very different. Compared with coconut shell activated carbon with the same effective content or composition, the price of coconut shell activated carbon is much higher than that of columnar activated carbon. 
Activated carbon increases with molecular weight and activated carbon point02021-09-13 01:05:58
The purification efficiency of activated carbon adsorption method is 99.2%~99.3%. For the treatment of large air volume and low concentration of organic waste gas, it is agreed that this method is the most mature and reliable technology at home and abroad, but the T art process is too long, the operation cost is high, and it is often more difficult to need a stable steam source. In view of these problems, combined with the characteristics of this graduation design and only body requirements, the use of activated carbon fixed bed adsorption system for industrial organic waste gas purification, the selection of honeycomb activated carbon as adsorbent.The process system is compact and integrated with adsorption and desorption.www.powdered-activated-carbon.com  The waste gas produced in the production process, mainly of benzene, toluene, xylene, etc., according to the nature of benzene class, this scheme adopts the active carbon as adsorbent to absorb the waste gas, the adsorption bed configuration 2 sets of above commonly, use rotation, when one adsorption bed adsorption of organic adsorption amount of reach regulation, change to another Ⅰ adsorption bed for adsorption purification operation, at the same time to take off one in front of the adsorption bed with regeneration.Desorption is carried out by heating under the action of additional steam, and most of the hotgas released by the tail gas is used for desorption and regeneration of adsorbent in the adsorption bed to achieve the utilization of waste heat.The waste gas volatilized from production is sent to the adsorption tower by centrifugal fan with activated carbon as adsorbent. The gas in the tower is processed through the activated carbon filter layer from right to left and from bottom to top, and the purified gas is discharged into the atmosphere through the exhaust pipe. pelletized activated carbon 
Activated carbon activated carbon made of MONOsodium glutamate development02021-11-30 01:17:34
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.activated carbon from china   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]. gold coconut shell activated carbon  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. The main principle of chemical activation method is the raw materials in 0.5~5 times the chemical activator impregnation for a certain time, in the process of heating, because of the dehydration of chemicals, the H and О elements in the raw materials in the form of water vapor released, the results produced a developed porous structure of activated carbon.The method requires the oxygen content in the raw material.25%, hydrogen content ≥5%[4], and most of the materials that can meet the requirements of this index are rice husk, wood and coal 
Why activated carbon granular shell activated carbon has such a good effect02021-06-28 18:55:05
High-quality granular activated carbon must have good adsorption performance and strength. Like powdery activated carbon, the adsorption performance of granular activated carbon depends largely on the characteristics of pore structure. The adsorption performance index can be analyzed and characterized by different methods, such as the decolorization performance of activated carbon expressed by methylene blue. Other performance indexes include iodine adsorption value, caramel decolorization rate, etc.dxdcarbon carbon  The pore structure characteristics and specific surface area of activated carbon are usually obtained by measuring nitrogen adsorption isotherm at low temperature with adsorption In addition, the adsorption capacity of activated carbon also has a great relationship with its internal pore structure, pore size distribution and surface chemical properties. activated carbon suppliers in uae  Chemical method in addition to certain micropores, macropores, there are more mesopores (transition pores), so it is more suitable for the application of liquid phase, adsorption of larger molecules of substances, such as sugar solution has a good decolorization effect; When purifying water quality, it can also remove the colored material well and achieve the specified chroma requirements. 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 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. 
Combined Equations (5) and (10) can calculate the total amount of Pb and 21Bi atoms in activated carbon after adsorption for any length of time (i.e., the total number of activated carbon Y).Let n=0 in Equation (10), then the accumulation and attenuation 02022-01-14 22:57:28
Combined Equations (5) and (10) can calculate the total amount of Pb and 21Bi atoms in activated carbon after adsorption for any length of time (i.e., the total number of activated carbon Y).Let n=0 in Equation (10), then the accumulation and attenuation of total atomic amount of 2Pb and 2Bi (total number of activated carbon Y) after the removal of activated carbon can be calculated in Equation (10).In fact, if thin layer activated carbon is used, the value of N should be equal to the product of the adsorption coefficient of activated carbon and radon concentration, while the radon adsorption coefficient of activated carbon mainly depends on the type of activated carbon and is affected by temperature, humidity and other factors. gold adsorption onto activated carbon  When the radon adsorption coefficient of activated carbon is constant,n is proportional to the concentration of radon. In this case, Equation (10) represents the functional relationship among the total number of activated carbon V, radon concentration and adsorption (or exposure) time. Therefore, the concentration of radon in the environment can be calculated according to the total number of activated carbon and adsorption time.Simulation calculation and result analysis of total number of activated carbon According to Equations (5) and (10), a computer program can be written to calculate the relationship between the total number of Y in the process of radon adsorption on activated carbon and the relationship between the total number of Y after the removal of activated carbon and the change of time. activated carbon manufacturers uae  
I love activated carbon. Activated carbon is good for the environment02021-06-29 19:39:21
Activated carbon powder injection combined with bag dust collector (ACI+ BF) is an effective and widely used method to control dioxin emission from incinerator flue gas.https://www.activated-carbon-pellets.com/  In order to provide reference and theoretical basis for the preparation and selection of activated carbon for the adsorption of dioxins, this paper carried out a study on the combined technology of activated carbon injection and double bag dust collector, the characteristics of activated carbon adsorption for dioxins and the influencing factors of activated carbon adsorption for dioxins.The adsorption and desorption isotherms of 13 kinds of commercial activated carbon were determined by low temperature nitrogen adsorption method, and the physical structures of activated carbon were calculated according to BET, T-Plot, BJH and DFT theory, and the iodine value and methylene blue value of 4 kinds of activated carbon were detected. The physical structure characteristics of activated carbon were analyzed in detail to prepare for the subsequent experiment. Using small activated carbon fixed bed adsorption gas phase dioxin test bench, a typical activated carbon adsorption dioxin factors affecting the experimental study, discusses the types of dioxin adsorption activated carbon and activated carbon fixed bed adsorption gas phase characteristics of dioxins, and discusses the adsorption temperature and adsorption time of activated carbon adsorption of dioxins.The results showed that the specific surface area and micropore volume of activated carbon had weak correlation with the adsorption efficiency of dioxins.wan yang carbon   The mesopore volume of activated carbon is an important factor to determine the adsorption capacity of dioxins. The surface area of the pore size between 2 nm and 20nm plays a key role in the adsorption of dioxins.The higher the adsorption temperature, the lower the adsorption efficiency of activated carbon.The longer the adsorption time, the lower the adsorption efficiency of activated carbon.There is no selective adsorption of gaseous dioxins in activated carbon fixed bed. 
Activated carbon surface adsorption and activated carbon strength02021-09-06 18:55:02
Principle of activated carbon adsorptionwww.powdered-activated-carbon.com  activated carbon is a kind of very small granular has a large surface area, and more tiny holes in the granular - capillary. The capillary has very strong adsorption capacity, due to the granular surface area is large, so a good contact with with gas (impurities). When these gases (impurities) encounter capillary by adsorption, purification effect. Activated carbon surface area of the study is very important, only the BET specific surface area detecting data of active carbon method detected result is reliable, domestic at present there are many instruments can only make direct comparison method of detectionIn domestic has been eliminated. Specific surface area test unified the multi-point BET method at home and abroad, specific surface area measurement standards are developed at home and abroad is based on BET test method, please see our national standard (GB/T 19587-2004) - gas adsorption BET principle of solid material specific surface area measurement methods. Specific surface area testing is actually the more time-consuming jobs, as the adsorption capacity of sample is different, some sample testing may need to spend the whole dayTime, if the test process is not fully automated, the tester can not leave at any time, and should be highly focused, observe the dashboard, control the knob, a little careless will lead to the failure of the test process, which will waste a lot of valuable time of the tester.pelletized activated carbon   F - Sorb 2400 specific surface tester is really able to BET method detection instruments (both direct comparison method), the more important F - Sorb 2400 specific surface tester is by far the only specific surface area of the fully automated intelligent testing equipment, the test results with the international high consistency, the stability is very good also, at the same time reduce the human error, improve accuracy test results. The adsorption capacity of activated carbon on each gas (unit: mL /cm3):H2, O2, N2, CI2, CO2 4.5, 35, 11, 494, 97 The main factors affecting the adsorption of activated carbon ① the nature of activated carbon adsorbent The larger the surface area, the stronger the adsorption capacity; Activated carbon is a non-polar molecule, easy to adsorb non-polar or very low polarity adsorbent The size of the activated carbon adsorbent particle, the structure and distribution of the fine pore and the surface chemical properties also have a great influence on the adsorption. 

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