FIELD: manufacture of building materials. SUBSTANCE: method is characterized by that leather plant waste water sediment formed during cleaning waste water with hydrolysable iron and aluminum salts and containing (calculated for solids), wt.%: organic fraction, 62; inorganic fraction, 38; wherein Cr2O3, 0.01; Al2O3, 2.3; Fe2O3, 2.0; and flocculant (of the weight of wet sediment), 0.18 is dried to movable state with residual moisture 69-72%. EFFECT: expanded application area for industrial waste and improved environmental condition. 4 cl, 1 tbl
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Authors
Dates
2002-06-10—Published
2000-02-01—Filed