Activated carbon adsorption capacity

You can ask professional manufacturers for the relevant information.

I’d like to know that too; please advise, experts: handshake

1 kilogram of activated carbon can adsorb 0.4 kilograms of organic waste gas, but it is safer to estimate it at 0.3 kilograms per kilogram of activated carbon. In actual operation, it should be determined based on specific circumstances, and the activated carbon should be replaced in a timely manner. Activated carbon is an excellent adsorbent. It is produced by using materials such as charcoal, bamboo charcoal, various fruit peels, and high-quality coal as raw materials, and then going through a series of processes including crushing, screening, catalyst activation, rinsing, drying, and sieving using physical and chemical methods. It possesses both physical and chemical adsorption properties, enabling it to selectively adsorb various substances in gaseous and liquid phases for purposes such as decolorization and purification, disinfection and deodorization, as well as removal of impurities. The inspection standards can be in accordance with China’s national standard GB, or other **standards such as: American ASTM, Japanese JIS, German DIN standards, etc. 　　The usage of powdered activated carbon in our country is as follows: 59.8% is used in the pharmaceutical industry, 26.6% in oral glucose production, 10.8% in the food industry, and 2.8% for other purposes. The usage of granular activated carbon in our country is as follows: 51.2% is used as a carrier in synthetic fibers, 13.0% in polyvinyl chloride products, 23.5% for air and water purification, 7.7% in synthetic desulfurization processes, and 4.6% for other applications. Applications of activated carbon: Activated carbon is widely used in various aspects of industrial and agricultural production, such as alkali-free deodorization in the petrochemical industry (for refining desulfurized alcohols), as a refining filler in ethylene dehydration processes, as a catalyst carrier (for palladium, platinum, rhodium, etc.), as well as for water purification and sewage treatment ； Water quality treatment and protection in power plant operations in the electricity industry ； Chemical catalysts and carriers in the chemical industry, gas purification, solvent recovery, as well as the decolorization and refinement of oils and fats ； Beverages, alcoholic drinks, monosodium glutamate mother liquor in the food industry, as well as the refining and decolorization of foods ； Gold extraction and tailings recovery in the gold industry ； Wastewater treatment, control of exhaust gases and harmful gases, and gas purification in the environmental protection industry ； As well as cigarette filters in related industries, moisture protection and odor absorption for wooden floors, control of gasoline evaporation pollution in vehicles, and the preparation of various impregnating solutions. Activated carbon will have excellent development prospects and a broad market for sales in the future. 　　Main uses of activated carbon: 1. Used in liquid-phase adsorption applications. • Purification of tap water, industrial water, electroplating wastewater, purified water, beverages, food, and pharmaceutical water, as well as in the production of electronically pure water. 　　•Decolorization, purification, and impurity removal for sucrose, xylose, monosodium glutamate, pharmaceuticals, citric acid, chemical products, and food additives. • Decolorization, impurity removal, and odor elimination for oils, fatty substances, gasoline, and diesel; purification, deodorization, and impurity removal for alcoholic beverages and other drinks. • Purification, refinement, decolorization, and filtration of products in the fields of fine chemicals, pharmaceutical chemistry, and biopharmaceutical production. 　　•Purification of wastewater from environmental protection projects, domestic wastewater treatment, decolorization, deodorization, and reduction of COD. 2. Used for activated carbon in gas-phase adsorption applications • Adsorption and recovery of organic solvents such as benzene, toluene, xylene, propane, oil gases, and CS2. 　　•Cigarette filters, odor removal in renovation projects, indoor air purification (removal of formaldehyde, benzene, etc.), purification of industrial gases (such as CO2, N2, etc.). • Production in the petrochemical industry, natural gas purification, desulfurization, deodorization, and treatment of exhaust gases. • Air purification and deodorization in the biochemical and paint industries, underground facilities, leather factories, and animal breeding sites. 　　•Odor absorption of flue gas, absorption of sulfides, removal of mercury vapor, and reduction of dioxin formation. 　　3. Activated carbon for high-demand fields • Catalysts and catalyst carriers (palladium-on-carbon catalysts, ruthenium-on-carbon catalysts, rhodium-on-carbon catalysts, platinum-on-carbon catalysts), precious metal catalysts, and the extraction of synthetic diamonds and gold. 　　•Blood purification, automotive carbon canisters, high-performance fuel cells, double-layer supercapacitors, lithium battery anode materials, energy storage materials, **, and other high-demand fields such as aerospace. 　　Activated carbon services: • Activated carbon selection: Custom solutions tailored to your business, designed to meet its production needs while simultaneously reducing overall costs. 　　•Optimized design: Our application engineers will work together with your company to optimize the adsorption process, equipment, and types of activated carbon, in order to achieve the best cost-performance ratio. 　　•New product development: If you believe that the existing specifications and types of activated carbon do not meet the requirements of your production processes, please let us know your needs, and our engineering technicians can work with you to develop new products. 　　•Regeneration: Provides services such as activated carbon regeneration, activated carbon loading, and recovery and replacement. 　　•Other services: provision of technical advice on applications, inquiry about the prices of activated carbon, custom manufacturing of high-quality imported activated carbon, etc. Principle 1: Activated carbon consists of very small carbon particles with a large surface area; these particles also contain even smaller pores – capillaries. This type of capillary has a strong adsorption capacity; due to the large surface area of the carbon particles, it can make full contact with gases (impurities). When these gases (impurities) come into contact with the capillary, they are adsorbed, thereby serving a purifying function. The study of the surface area of activated carbon is very important. The detection data on the specific surface area of activated carbon are only considered true and reliable when obtained using the BET method. Currently, there are many instruments in China that can only perform measurements using the direct comparison method, and such instruments have been phased out in China. Currently, the multi-point BET method is universally used for measuring specific surface area both domestically and internationally. The standards established for determining specific surface area are all based on the BET testing method; please refer to China’s standard (GB/T 19587-2004) – Method for Determining the Specific Surface Area of Solid Substances by Gas Adsorption Using the BET Principle. Measuring the specific surface area is actually a time-consuming task. Due to differences in the adsorption capacity of the samples, testing some of them may take an entire day. If the testing process is not fully automated, the technician must remain present at all times and stay highly focused, monitoring the instruments and adjusting knobs; even the slightest carelessness can lead to failure in the testing process, which wastes a great deal of the technician’s valuable time. The F-Sorb 2400 specific surface area tester is an instrument that can truly carry out BET method measurements (as well as the direct comparison method). More importantly, it is the only fully automated and intelligent specific surface area testing device available in China to date; its test results are highly consistent with international standards and exhibit excellent stability, while also reducing human error and improving the accuracy of the test results. 　　Adsorption capacity of activated carbon for various gases (unit: ml/cm3): H2, O2, N2, Cl2, CO2 – 4.5, 35, 11, 494, 97. ● Principle of adsorption 2: Activated carbon selectively adsorbs gases, rather than mechanically \"filtering\" out impurities. 　　The surface of activated carbon contains numerous micropores, the vast majority of which have a pore size of less than 500 Å (1 Å = 10-10 m). The total internal surface area of the micropores per unit mass of material is referred to as the \"specific surface area,\" which can range from 700 to 2300 m2/g. 　　In the context of adsorption, the harmful gases in the air are referred to as \"adsorbates\", while activated carbon is called the \"adsorbent\". Due to intermolecular attraction, the adsorbate adheres to the inner surface of the micropores. If a chemical reaction is involved, it is called chemical adsorption; otherwise, it is physical adsorption. 　　While the adsorbate is adsorbed by the adsorbent, some of it also detaches from the adsorbent, a process known as \"desorption\". During use, its adsorption capacity gradually decreases while desorption increases; once it reaches a certain level, the activated carbon becomes unusable. 　　Sometimes, heating or steam treatment can release the adsorbate from the adsorbent, thereby regenerating the activated carbon. ●Activated carbon materials: Activated carbon materials are divided into granular carbon and fibrous carbon. 　　Traditional granular activated carbons include coal-based carbon, wood carbon, coconut shell carbon, and bone carbon. Sometimes, granular carbon is turned into a powder, adhered to other porous materials, and then processed into shape. 　　Fiber activated carbon is made from carbon-containing organic fibers. Its aperture is small (

What is the capacity of the activated carbon on the upper floor to absorb trichlorosilane, silicon tetrachloride, and hydrogen chloride?

This post was last edited by 40347022 on 2009-12-18 at 23:37. The data for those substances mentioned above may require access to antique-level records; I have a table here that you can use as a reference for comparison: Name, Adsorption Capacity – Benzene: 23, Iodine: 40, Carbon tetrachloride: 45, Hydrogen chloride: 12

I hope those upstairs will indicate the units when providing the data. I’m not sure what the units for these four substances are; otherwise, it’s difficult to make comparisons

1# Looking at the moon through an open window: The adsorption capacity of activated carbon is selective, and there are significant differences in adsorption selectivity among activated carbons produced from different sources and using different production methods. It is unscientific to generalize the adsorption properties of activated carbon for all substances.

There are no unified standards for manufacturers producing activated carbon in China; one can only request them from the producers themselves

The adsorption capacity is related to the partial pressure; the unit on the 6th floor should be kg/m3, right?

Can activated carbon be used to absorb water from ethanol in order to remove it?