FIELD: sorption technique. SUBSTANCE: method is carried out by impregnation of granules of sorbent with solution of halogenids of alkali or alkali-earth metals, ratio of said sorbent and solution being 1:0.3-0.5 respectively. Concentration of said solution is 20-40 mass %, the process takes place at 80-100 C. The process is followed by drying at 180-230 C, then impregnation and drying are repeated at the same regime. EFFECT: increased sorption ability of desired sorbent. 1 tbl
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Authors
Dates
1997-04-27—Published
1995-09-05—Filed