FIELD: carbon materials. SUBSTANCE: method involves preparing carbon sorbent from graphite allowing simplification of preparation procedure and increase in sorption capacity, for which graphite is treated with halofluorides or their solutions in hydrogen fluoride with subsequent heating of product to 500 C. Absorption capacity of product reaches 60 to 200 g liquid, including toxicants and corrosive liquids, per 1 g sorbent. EFFECT: simplified process and increased sorption capacity. 2 cl, 2 ex
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Authors
Dates
2003-04-20—Published
2001-10-22—Filed