Zinc Chloride & Phosphoric Acid & Steamed Wood-Based Activated Carbons

Production process:
ZnCI2 and H3P04 activation

1. Drying and sieving the sawdust of fir and pine;
2. Impregnating the sawdust with ZnCI2 or H3P04 solution;
3. Carbonizing and activating the mixture in rotary kiln;
4. Rinsing activating materials to recover the ZnCI2 or H3P04 and remove some impurities;
5. Drying;
6. Powdering;
7. Putting finished and eligible carbons into packages.

Steamed activation

1. Carbonizing materials by smolder in soil furnace;
2. Activating the carbonizing material in rotary kiln;
3. Granulating or powdering;
4. Putting finished and eligible carbons into packages.