Activated carbon from CPL Carbon Link

2   Vapour Phase Adsorption Systems

2.5 Chemisorption with Impregnated Activated Carbon

CPL Carbon Link Limited - impregnated carbon air filtration plant
CPL Carbon Link Limited - impregnated carbon air filtration plant
The technique of chemical impregnation is used to increase significantly the performance efficiency and adsorptive capacity of activated carbon for many gases which are difficult to adsorb onto base products.

CPL Carbon Link manufactures a wide range of chemically impregnated activated carbons, using a variety of production methods that have been developed during many years of operation. The technique of impregnation is critical to ensure a homogeneous distribution of the chemicals on the surface of the activated carbon, thus maintaining maximum access to the pore structure to provide the target contaminants with the maximum contact efficiency to the impregnant.

Two principal mechanisms are used in chemisorption;

  • The impregnant may be a re-agent that chemically converts a pollutant to a harmless or adsorbable product
  • The impregnant may be a catalyst
Grade Type Contaminant Action Comments
Filtracarb SA61 Granular H2S/SO2/HCl Neutralisation Control of corrosive gases
Filtracarb SA62 Granular H2S/SO2/HCl Neutralisation Odour control - sewage treatment plants
Filtracarb SA63 Granular H2S Catalytic degradation Low concentration - Low humidity
Filtracarb SA64 Granular H2S Catalytic degradation Low concentration - Low humidity
Filtracarb SA65 Granular H2S/SO2/HCl Catalytic neutralisation Corrosion control
Filtracarb SA66 Granular NH3/amines Neutralisation Non-corrosive treatment
Filtracarb SA67 Granular Formaldehyde Chemical reaction Laboratory ventilation
Filtracarb SA68 Granular H2S/SO2/HCl Catalytic neutralisation Corrosion control - High humidity
Filtracarb SA69 Granular SO2 Chemical reaction Designed for anaerobic use
Filtracarb SA70 Granular AsH3PH3 Chemical reaction Control of toxic gases
Filtracarb D47/4+S Extruded Hg Chemical reaction Maximum adsorption capacity
Filtracarb D45/1+1.5KI Extruded Radioactive CH3I Substitution Safety filters - nuclear plants
Filtracarb D45/1+5TEDA Extruded Radioactive CH3I Chemical reaction Safety filters - nuclear plants

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