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Glossary

 

Activated Carbons For Water Purification, Waste Water Treatment & Other Filtration ApplicationsActivated Carbons

Sold in bulk quantities, Clean & Clear offers a number of activated carbon products for a variety of applications (click on the link for that product's data sheet):

Food & Pharmaceutical Applications:

WF-22 Decolorizer: Wood Based Powdered Activated Carbon - Decolorizer is well suited for sugar, fruit juices, purification of drugs, removal of color and odor-causing impurities as well as adsorption of trace contaminates; used in many food and pharmaceutical applications.

Gold (Au) Recovery:

WF-GAC-Coconut Gold: Granular Coconut Shell Based Activated Carbon is a premium granular activated carbon made especially for use in gold recovery applications; provides the best adsorption of metal and cyanide complexes from Carbon-in-pulp, Carbon-in-column, or tank adsorbed system. 

Liquid Stream Applications:

A number of activated carbon products are available for a variety of liquid stream applications where low flow resistance and pressure drop is important; all are well suited for decolorizing and removing odor causing impurities as well as adsorption of trace contaminates. 

WF-GAC 8x30: Granular Virgin Coal Based Activated Carbon for Liquid

WF-GAC 8x30 (1000): Granular Virgin Coal Based Activated Carbon for Liquid 

WF-AW-GAC 8x30: Granular Virgin Coal Based Acid Washed Activated Carbon for Liquid 

WF-GAC 12x40: Granular Virgin Coal Based Activated Carbon for Liquid 

Dioxin & Mercury (Hg) Removal:

WF-PAC-HC: Coal Based Powdered Virgin Activated Carbon for use in removing dioxins and mercury in incineration/flue gas applications.

WF-Sulphur Pellets: Coal Based Virgin Activated Carbon Pellets Impregnated with Sulphur for removing organic Mercury vapor streams.

Vapor & Vapor Stream Applications:

WF-Pellets: Coal Based Virgin Activated Carbon Extruded Pellets adsorb odiferous by-products, solvent recovery, and VOC’s, as well as adsorption of trace contaminants - especially for use in vapor applications.

WF-GAC 4x8: Granular Virgin Coal Based Activated Carbon - Vapor Phase adsorbs VOC’s, and trace contaminates - low flow resistance.

WF-GAC-Coconut 4x8: Granular Coconut Shell Based Activated Carbon - Vapor Phase adsorbs odiferous by-products, and VOC’s, as well as adsorption of trace contaminates - low flow resistance.

WF-KOH Pellets: KOH Impregnated Extruded Pellets adsorbs odiferous by-products, solvent recovery, and VOC’s, as well as adsorption of trace contaminants - low flow resistance.

Waste & Drinking Water Applications:

WF-PAC-600: Coal Based Powdered Virgin Activated Carbon for Liquid for decolorizing and removing odor causing impurities as well as adsorption of by-products and trace contaminates in both waste and drinking water applications.

Waste & Drinking Water, Pond & Tank Applications:

WF-PAC-800: Coal Based Powdered Virgin Activated Carbon for Liquid provides the most complete adsorption of impurities from liquids in tank or pond applications. This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of by-products and trace contaminates, and is used in both waste and drinking water application.

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WF-Pellets: Coal Based Virgin Activated Carbon Extruded Pellets

WF-Pellets is a pelletized activated carbon made especially for use in a vapor application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from vapor stream with the least flow resistance.

This product is manufactured to adsorb odiferous by-products, solvent recovery, and VOC’s, as well as adsorption of trace contaminants.

WF-Pellets is processed from a mixture of selected anthracite and sub-bituminous coal, activated at high temperature with steam. The pellets are available in four sizes: 1.5 mm, 3 mm, 4 mm and 9 mm. However, at present, only 4mm diameter pellets are stocked in USA. 

Carbon tetrachloride adsorption values are available from 60% to 80% as required.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

CCl4 Absorption (ASTM-D-3467) 60% & 70% Min.
Apparent Density (ASTM-D-2854) 0.45-0.49 (30 lb/ft3)
Hardness (ASTM-D-3802) 97-98
Moisture As Packed (ASTM-D-2867) 5% Max.
Ash (ASTM-D-2896) 9-12% Max.
Surface Area - BET N2 (ASTM-D-2854) 950-1,150 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-PAC-HC: Coal Based Powdered Virgin Activated Carbon

WF-PAC-HC is a powdered activated carbon made especially for use in removing dioxins and mercury in incineration gas application. Its particle size and pore structure has been specifically designed to provide the most complete adsorption of impurities found in vapor flue gas. This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of by-products and trace contaminates.

This product is used in flue gas application.

WF-PAC-HC is processed from a mixture of bituminous coal and sub-bituminous coal, activated at high temperature with steam.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 600 mg/g Min.
Apparent Density (ASTM-D-2854) 0.40-0.47
Moisture As Packed (ASTM-D-2867) 10% Max.
Ash (ASTM-D-2896) 13% Max.
Tannin Value (AWWA B 600 78) 200-300
Particle Size 99% Through 100 Mesh
95% Through 200 Mesh
90% Through 325 Mesh

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WF-PAC-600: Coal Based Powdered Virgin Activated Carbon for Liquid

WF-PAC-600 is a powdered activated carbon made especially for use in a liquid application. Its particle size and pore structure has been specifically designed to provide the most complete adsorption of impurities from liquids in tank or pond applications. This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of by-products and trace contaminates.

This product is used in both waste and drinking water application.

WF-PAC-600 is processed from a mixture of bituminous coal and sub-bituminous coal, activated at high temperature with steam. Our material meets AWWA B-600-96 standards.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 600 mg/g Min.
Apparent Density (ASTM-D-2854) 0.40-0.47
Moisture As Packed (ASTM-D-2867) 10% Max.
Ash (ASTM-D-2896) 13% Max.
Tannin Value (AWWA B 600 78) 200-300
Surface Area - BET N2 (ASTM-D-2854) 650 m2/gm Min.
Particle Size 99% Through 100 Mesh
95% Through 200 Mesh
90% Through 325 Mesh

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WF-PAC-800: Coal Based Powdered Virgin Activated Carbon for Liquid

WF-PAC-800 is a powdered activated carbon made especially for use in a liquid application. Its particle size and pore structure has been specifically designed to provide the most complete adsorption of impurities from liquids in tank or pond applications. This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of by-products and trace contaminates.

This product is used in both waste and drinking water application.

WF-PAC-800 is processed from a mixture of selected bituminous coal and sub-bituminous coal, activated at high temperature with steam. Our material meets AWWA B-600-96 standards.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 800 mg/g Min.
Apparent Density (ASTM-D-2854) 0.40-0.46
Moisture As Packed (ASTM-D-2867) 10% Max.
Ash (ASTM-D-2896) 15% Max.
Tannin Value (AWWA B 600 78) 200-300
Surface Area - BET N2 (ASTM-D-2854) 850 m2/gm Min.
Particle Size 99% Through 100 Mesh
95% Through 200 Mesh
90% Through 325 Mesh

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WF-GAC 4x8: Granular Virgin Coal Based Activated Carbon - Vapor Phase

WF-GAC 4 x 8 is a granular activated carbon made especially for use in a vapor application. Its particle size and pore structure have been specifically designed to provide the best adsorption of impurities from vapor stream with the least flow resistance.

This product is manufactured to adsorb VOC’s, and trace contaminates.

WF-GAC 4 x 8 is processed from selected seams of bituminous coal, activated at high temperature with steam.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

CCl4 Absorption (ASTM-D-3467) 60% Min.
Apparent Density (ASTM-D-2854) 0.40-0.46
Hardness - Ball Pan (ASTM-D-3802) 90% Min.
Moisture As Packed (ASTM-D-2867) 3% Max.
Ash (ASTM-D-2896) 12% Max.
Surface Area - BET N2 (ASTM-D-2854) 950-1,050 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-GAC 8x30: Granular Virgin Coal Based Activated Carbon for Liquid

WF-GAC 8 x 30 is a granular activated carbon made especially for use in a liquid phase application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from liquid stream with the least flow resistance and pressure drop.

This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of trace contaminates.

WF-GAC 8 x 30 is processed from selected seams of bituminous coal with steam at high temperature. Acid washed GAC’s are available.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 900 mg/g Min.
Bulk Density (ASTM-D-2854) 24-28 lbs/cf
Hardness - Ball Pan (ASTM-D-3802) 90% Min.
Moisture As Packed (ASTM-D-2867) 3% Max.
Ash (ASTM-D-2896) 12% Max.
Surface Area - BET N2 (ASTM-D-2854) 950-1,050 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-GAC 8x30 (1000): Granular Virgin Coal Based Activated Carbon for Liquid

WF-GAC 8 x 30 (1000) is a granular activated carbon made especially for use in a liquid phase application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from liquid stream with the least flow resistance and pressure drop.

This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of trace contaminates.

WF-GAC 8 x 30 (1000) is processed from selected seams of bituminous coal with steam at high temperature. Acid washed GAC’s are available.

Packed 25kg per poly-woven bag.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 1,000 mg/g Min.
Apparent Density (ASTM-D-2854) 0.46-0.48 lbs/cf
Hardness - Ball Pan (ASTM-D-3802) 97% Min.
Moisture As Packed (ASTM-D-2867) 3% Max.
Ash (ASTM-D-2896) 12% Max.
Bulk Density 28-30 lbs/cf

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WF-AW-GAC 8x30: Granular Virgin Coal Based Acid Washed Activated Carbon for Liquid

WF-AW-GAC 8 x 30 is a granular activated carbon made especially for use in a liquid phase application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from liquid stream with the least flow resistance and pressure drop.

This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of trace contaminates.

WF-AW-GAC 8 x 30 is processed from selected seams of bituminous coal with steam at high temperature. This is acid washed GAC to lower the ash content.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 900 mg/g Min.
Bulk Density (ASTM-D-2854) 24-28 lbs/cf
Hardness - Ball Pan (ASTM-D-3802) 90% Min.
Moisture As Packed (ASTM-D-2867) 3% Max.
Ash (ASTM-D-2896) 8% Max.
Surface Area - BET N2 (ASTM-D-2854) 950-1,050 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-GAC 12x40: Granular Virgin Coal Based Activated Carbon for Liquid

WF-GAC 12 x 40 is a granular activated carbon made especially for use in a liquid phase application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from liquid stream with the least flow resistance and pressure drop.

This product is well suited for decolorizing and removing odor causing impurities as well as adsorption of trace contaminates.

WF-GAC 12 x 40 is processed from selected seams of bituminous coal with steam at high temperature. Acid washed GAC’s are available.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Iodine Value (ASTM-D-4607) 1,000 mg/g Min.
Apparent Density (ASTM-D-2854) 0.44.0.47
Hardness - Ball Pan (ASTM-D-3802) 90% Min.
Moisture As Packed (ASTM-D-2867) 3% Max.
Ash (ASTM-D-2896) 12% Max.
Surface Area - BET N2 (ASTM-D-2854) 950-1,050 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-GAC-Coconut 4x8: Granular Coconut Shell Based Activated Carbon - Vapor Phase

WF-GAC-Coconut 4 x 8 is a granular activated carbon made especially for use in a vapor application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from vapor stream with the least flow resistance.

This product is manufactured to adsorb odiferous by-products, and VOC’s, as well as adsorption of trace contaminates.

WF-GAC-Coconut 4 x 8 is processed from coconut shell for its hardness and activated at high temperature using steam process to develop internal surface area. The activated product is crushed and classified by size. 

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

CCl4 Absorption (ASTM-D-3467) 60% Min.
Bulk Density (ASTM-D-2854) 0.47-0.49
Hardness (ASTM-D-3802) 98-99+%
Moisture As Packed (ASTM-D-2867) 4% Max.
Ash (ASTM-D-2896) 4% Max.
Surface Area - BET N2 (ASTM-D-2854) 1,000-1,100 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-GAC-Coconut Gold: Granular Coconut Shell Based Activated Carbon

WF-GAC-Coconut Gold is a premium granular activated carbon made especially for use in gold recovery applications. Its particle size and pore structure has been specifically designed to provide the best adsorption of metal and cyanide complexes from Carbon-in-pulp, Carbon-in-column, or tank adsorbed system. This product is manufactured under stringent controls to make a carbon with the ultimate in hardness and ability to be regenerated. 

WF-GAC-Coconut Gold is processed from selected coconut shell and activated at high temperature using steam process to develop internal surface area. The activated product is crushed, washed and classified by size. After activation, the carbon is put through a process to remove platelets. Each batch is tested twice to assure the best in quality control. Standard sizes available are: 4x8, 4x12, 6x12, 6x16, and 12x30. Our superior hardness grade, Inca Gold, is available at a hardness of 99+%. Carbon tetrachloride adsorption values range from 60% to 65% as specified iodine adsorption values from 900 to 1200+.

We can custom manufacture activated carbon to your specifications.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Bulk Density (ASTM-D-2854) 0.50-0.54
Hardness (ASTM-D-3802) 98-99+%
Moisture As Packed (ASTM-D-2867) 4% Max.
Ash (ASTM-D-2896) 3% Max.
Surface Area - BET N2 (ASTM-D-2854) 1,000-1,100 m2/gm
Ignition Temperature (ASTM-D-3466) 400o C

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WF-KOH Pellets: KOH Impregnated Extruded Pellets

WF-KOH-Pellets is a pelletized activated carbon impregnated with KOH made especially for use in a vapor application. Its particle size and pore structure has been specifically designed to provide the best adsorption of impurities from vapor stream with the least flow resistance. 

This product is manufactured to adsorb odiferous by-products, solvent recovery, and VOC’s, as well as adsorption of trace contaminants.

WF-KOH-Pellets are processed from a mixture of selected anthracite and sub-bituminous coal, are activated at high temperature with steam impregnated with KOH. The pellets are available in four sizes: 1.5 mm, 3 mm, 4 mm and 9 mm. However, at present, only 4mm diameter pellets are stocked in USA.

Carbon tetrachloride adsorption values are available from 60% to 80% as required.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

H2S Breakthrough Capacity 0.14g H2S/cc Min.
CCl4 Absorption of Substrate (ASTM-D-3467) 70% Min.
Apparent Density (ASTM-D-2854) 0.51-0.56
Hardness of Pellets (ASTM-D-2854) 97% Min.
Moisture As Packed - After Impregnation (ASTM-D-2867) 15% Max.
Ash (ASTM-D-2896) 9-12% Max.
Surface Area - BET N2 (ASTM-D-2854) 1,000-1,150 m2/gm

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WF-Sulphur Pellets: Coal Based Virgin Activated Carbon Pellets Impregnated with Sulphur

WF-Sulphur Pellets: Activated Carbon pellets impregnated with Sulphur have been designed to remove mercury vapor streams. Sulphur impregnated carbon beds should not be exposed to liquid hydrocarbon as this can leach the sulfur impregnation from the bed. Organic Mercury can be effectively removed with Sulphur-impregnated carbons; however this is adsorption rather than chemical reaction, requiring significantly increased contact times.

Caution: Oxygen is removed from air by wet activated carbon. Asphyxiation hazard exists inside vessels.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Surface Area - BET N2 (ASTM-D-2854) 1,000-1,100 m2/gm Min.
Hardness (ASTM-D-3802) 97%
Sulphur Content 18-20% of Weight
Moisture Content (ASTM-D-2867) 3% of Weight Max.
Packed Bulk Density 38 lb/ft3
CTC Activity - Prior to Impregnation (ASTM-D-3467) 70-75% of Weight Typical
PH (ASTM-D-3838) 6-8
Hg Capacity to 99% from H2S 65% of Weight
Absorption Contacts:  
-Vapor <70% RH 10 seconds Min.
-Effluent Hg Concentration <0.2 ppbv

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WF-22 Decolorizer: Wood Based Powdered Activated Carbon - Decolorizer

WF-22 is a chemically activated wood base powdered activated carbon, made especially for decolorizing. This product is well suited for sugar, fruit juices, purification of drugs, removal of color and odor-causing impurities as well as adsorption of trace contaminates. This product is used in many food and pharmaceutical applications.

WF-22 is processed from selected woods and chemically activated with a zinc chloride or phosphoric acid process to develop its extended surface area. It is acid washed and tested twice to assure the best in quality control.

Packed 40 LB in a multi layer paper bag.  50 bags to one pallet.

Typical parameters for stocked products are as follows (this information is intended for reference, evaluation and consideration only):

Apparent Density (ASTM-D-3467) 25 lb/ft3
Moisture As Packed (ASTM-D-2867) 10% Max.
Ash (ASTM-D-2896) 4% Max.
Surface Area - BET N2 (ASTM-D-2854) 1,300 m2/gm Min.
Iron Salts % 0.10 Max.
Chlorides % 0.20 Max.
Ca & Mg % 0.25 Max.
Pb 50 ppm Max.
As 30 ppm Max.
Particle Size 90% Min. through 100 Mesh
80% Min. through 325 Mesh
Molasses Decolorizing Efficiency (CCC TM-7) 350 Min.
Caramel Decolorizing Efficiency 100 Min.

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