Gas Purification

Water Treatment

Supply pellet activated carbon & impregnated activated carbon for different gas treatments, such as waste gas treatment, air filter element, gas mask, odor removal.

In the air and gas treatment sector, different types of activated carbon are used, depending upon the specific application and process. Activated carbon has special properties that allow it to remove volatile organic compounds (VOCs), odors, and other gaseous pollutants from the air.

KHY supplies cylindrical-shaped and granular activated carbon for use in fixed-bed filters as well as powdered activated carbon for direct dosing systems and can provide a wide range of activated carbon products and services for various fields of air purification.

For more information on our air purification services, please complete the contact form below.

Whatsapp: +86-17719801166  | Email: info@khycarbon.com

We have our own laboratory, which can test various indicators for clients and provide the most suitable activated carbon with the most economical air purification solutions.

  • Waste gas treatment
  • Solvent recovery
  • Air filter
  • Personal protection
  • Cigarette filter
  • Flue gas filtration

Applications and Solutions

In our industrial society, manufacturing and commercial facilities are required to filter air and gases of chemicals, odors, and compounds that can cause health and environmental damage. KHY company offers a range of activated carbon to meet environmental emission standards.

Typical targets for purification gas include:

  • Landfill gas
  • Mercury removal from the natural gas
  • Hydrogen (gas purification)
  • Carbon dioxide purification

Depending on the characteristics of waste gas purification, we ofen suggest the following types.

  • Activated carbon pellets
  • Impregnated activated carbon
  • Granular activated carbon
  • Honeycomb activated carbon

Generally, our clients will choose extruded activated carbons, such as 4mm pellet activated carbon. But for special gas, clients may prefer impregnated activated carbon and 4*8mesh coconut granular activated carbon.

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The principle of the solvent recovery process is the adsorption of solvents on activated carbon and their subsequent desorption by means of superheated steam or hot inert gas. The solvent recovery not only prevents pollution but can generate significant savings in operational costs.

Which industry will use activated carbon for solvent recovery?

  • Tape industry
  • Printing industry
  • Dry cleaning shops
  • Paint factories
  • Synthetic fiber production

Some of the water-insoluble solvents most used in industrial processes and recoverable with activated carbon plants are:

  • Benzene
  • Toluene
  • Xylene
  • Hexane
  • Heptane

We produce a vast selection of carbons to serve different industries. Our technical team has too much experience in solvent recovery. They can advise the best methods and activated carbon products to suit your business.  Save your money on solvents.

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The air filter is a method of filtering that uses a layer of activated carbon to remove contaminants and impurities, which is widely applied in different industries.

KHY activated carbon provides a large surface area and small pore structure, allowing contaminants the maximum possible exposure to the active sites within the filter media.

Typical targets for purification gas include:

  • Bacteria and microorganisms
  • Fibers and lint
  • Mold and mold spores
  • Pollen
  • Dust and dirt

Which location is suitable to place the activated carbon filter?

  • Cabin
  • Home
  • air conditioning units
  • exhaust fans
  • Car engine
  • Office

The following is the customer cases where clients bought activated carbon from us for air filters.

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KHY activated carbon is particularly strong in the supply of both material and technical support for breathing air Activated Carbons used in personal and collective respiratory protection.

The properties of our higher surface area coconut shell activated carbons are particularly suited to this application, providing excellent physical adsorption of harmful organic gases and vapors and good control of key physical parameters including size, activity, and density.

Activated carbon is also ideally suited for impregnation with a wide variety of chemical treatments to allow the removal of more volatile harmful gases. As the threat posed by toxic gases has grown in sophistication, our Activated Carbon solutions have developed correspondingly.

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The use of activated carbon in Cigarette filters is growing in several markets around the world. Activated carbon can perform a useful role in taste modification and in reduction of some harmful contaminants when it is combined into the filter, usually in the form of small granules.

We are leading suppliers in this market, offering high purity coconut shell activated carbons and coal based activated carbon in various size ranges for cigarette filter which fully meet food safety standards. They have proven performance in the reduction of key Hoffmann analytes in the smoke, and, being hard, attrition resistant and dust free, offer easy processing capability.

Product name Cigarette Filter Carbon
Carbon Tetra Chloride Adsorption 55-65%
Apparent Density 0.48-0.52g/cc
Iodine Absorb 1000-1100mg/g
BET 1100-1200m2/g
Ash Content ≤3%
Hardness ≥98%
PH 9-11

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Our steam activated carbon powder is specially purposed for the heavy metal and other contaminants that are desorbed from the flue gas emissions released from incinerators.

The application results from various industrialized operating devices have proved that it can efficiently remove gas phase mercury, dioxins (PCDD), and furan (PCDF). Its open-type pore structure and petite particle size help realize the absorbing target rapidly. Because of the short duration of exposure between the flowing flue gas and the absorbent, the absorption rate is the key factor that determines the absorbent performance.

Powdered activated carbon is with the nature of random mobility and almost zero possibility of sintering. It is especially suitable to eject it with the flow of flue gas through an automatic rationing feeding device on a dry basis or wet basis. As it is sufficiently activated, which gives it a high ignition point of temperature; it is safe to operate under the inherent situation of the flue gas from the incinerator, where the temperature is comparatively high.

Our powdered activated carbon for flue gas cleaning has a high outer surface and depending on the product type high fineness grade and is suitable for the adsorption of substances like mercury, dioxins and organic impurities.

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Get In touch

If you have questions or get a quote, please fill out the contact form below. We will process your inquiry as soon as possible!