Activated Charcoal

Kalpaka Chemicals is one of the leading manufacturer and exporter of activated charcoal in the world. We are proud of our high quality, great-value products and services.

Since 1996, Kalpaka Chemicals has ventured into the production of high grade activated charcoal from coconut shell, coal, and wood, offering a wide range of synthetic substances to customers in many industries.


Activated Charcoal is made from any carbonaceous material such as coal, coconut shell, wood, or other substances. It becomes “activated charcoal” when high temperatures combine with a gas or activating agent to expand its surface area.  The activated charcoal is also used

  • In FMCG and manufacturing industries.
  • In processing of vegetable oil, sugar, and chemical matter purification
  • Used in drinking water, sewage water treatment and Effluent Treatment
  • Recovery of solvents, cosmetics and other vapours & gold
  • In gas mask for protection against poisonous gases etc



Steam activation is the most broadly utilized cycle since it is commonly used to initiate both coconut shell and coal based charcoal. Steam activated charcoal are created in a two-stage measure. Initially the crude material, as protuberances, pre-sized material is carbonized by warming it in an inactive climate, for example, vent gas, so de-hydration and devolatilization of the charcoal happen. Carbonization decreases the unstable substance of the source material to less than 20%. A coke is delivered which has pores that are either little or too limited to be in any way utilized as an adsorbent. The subsequent stage is the initiation stage which amplifies the pore structure, expands the inward surface zone and makes it more open. The carbonized item is initiated with steam at a temperature somewhere in the range of 900°C and 1100°C. The compound response between the carbon and steam happens at the inward surface of the carbon, eliminating carbon from the pore dividers and accordingly amplifying the pores. The steam enactment measure permits the pore size to be promptly adjusted and carbons can be created to suit explicit end-sues. Steam Activation produce initiated carbon as 1mm to 3mm pieces, which are squashed and screened to eliminate fines and residue to meet the details for granular activated carbons. To deliver powdered activated carbons, the carbon pieces are further crushed utilizing a delicate pulverizing activity.


The activation process produces an organization of moment openings of various measurements on the charcoal surface which become the way for water to get to the all-inclusive inner surface made by activation. Carbon has a characteristic liking for natural poisons which tie to its surface. When initiated, the carbon shapes little pores and pockets that expansion its surface territory. An unevenness of powers at that point exists on the initiated carbon iotas at the pore divider surface. To destroy this unevenness, particles are actually adsorbed, i.e., attracted and held genuinely to the pore divider (Van der Waals powers). At the end of the day, exacerbates like pesticides, chloroform, and toxins slide into the openings of this honeycomb – like substance & hold quick through a cycle called adsorption. The porosity of initiated carbons offers a tremendous surface on which this adsorption can happen. Adsorption happens in pores somewhat bigger than the atoms that are being adsorbed, which is the reason it is imperative to coordinate the particle you are attempting to adsorb with the pore size of the activated charcoal.

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