FIELD: extraction of substances by means of sorbents and/or flocculants; ferrous and non-ferrous metallurgy; cleaning of industrial and domestic sewage. SUBSTANCE: method includes treatment of solution and sorbent, bringing solution and sorbent in contact and sorption of tungsten at pH < 7; sorption is effected by means of bentonite clay at correction of pH value and continuous mixing of solution for 4-7 h. EFFECT: low cost of method due to cheap natural sorbent. 3 dwg, 4 ex
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Authors
Dates
2001-12-10—Published
1998-10-06—Filed