PROCESS FOR PREPARATION OF CARBONACEOUS ADSORPTIVE AGENT Russian patent published in 1994 - IPC

FIELD: preparation of active carbon. SUBSTANCE: carbon- containing adsorptive agent is prepared by mixing the product formed via polycondensation of furfurol distillation residue at 180-190 C together with coal dust and wood tar in weight mixture ratio of (30-35): (30-35): (30- 40), respectively, with subsequent pelletizing the resulting mixture, carbonization of pellets and water vapor activation of the carburized pellets to carbon formation of 30-36 % . EFFECT: increased efficiency. 1 tbl