FIELD: chemistry.
SUBSTANCE: method for active charcoal preparation includes aspen wood pyrolysis, desintegration of the obtained charcoal up to particle size 0.2-2.0 mm, activation with hydrogen peroxide at temperature 250-300°C and pressure 30-50 MPa during 5-10 min, separation, washing with distilled water and drying.
EFFECT: obtaining of quality charcoal able to effective sorption of the benzene from water media.
2 tbl
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| METHOD OF OBTAINING CARBOHYDRATIC VEGETATION FEED ADDITIVE | 0 |
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SU1380710A1 |
