PROCESS FOR PURIFYING INDUSTRIAL SEWAGE OR COPPER COMPOUNDS Russian patent published in 1995 - IPC

Abstract RU 2051124 C1

FIELD: purification of sewage. SUBSTANCE: sewage is subjected to coagulation and filtration through metallic aluminium at a pH of 0.5-8.5. The sewage is additionally purified by using ionic exchange. The residual concentration of copper compounds shall not exceed the maximum permissible concentration standards. EFFECT: greater purification efficiency. 1 tbl

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RU 2 051 124 C1

Authors

Revenko Ju.A.

Manakov S.A.

Davydov I.I.

Krjuchek N.M.

Stolitsa S.G.

Dates

1995-12-27Published

1991-09-17Filed