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IPC

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Application

96117358/02, 1996-08-27

(22)

Actual filing date

1996-08-27

(45)

Published

1998-06-20

(72)

Inventor

Voropanova L.A.Kuznetsov O.K.Kulikova E.A.

(73)

Holder

Voropanova Lidija Alekseevna

METHOD OF DEPOSITION OF HEAVY METAL IONS FROM AQUEOUS SOLUTIONS Russian patent published in 1998 - IPC

Abstract RU 2113519 C1

FIELD: purification of industrial and domestic sewage. SUBSTANCE: alkaline neutralizer is added to initial solution at pH within 4 to 12.0 to obtain unlike charged sols which are subjected to mutual coagulation. Clarified phase is separated by decantation and deposit is subjected to contact with subsequent portions of initial solution followed by decantation of clarified aqueous phase. EFFECT: greater recovery of heavy metal ions from sewage. 2 dwg , 4 tbl

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RU 2 113 519 C1

Authors

Voropanova L.A.

Kuznetsov O.K.

Kulikova E.A.

Dates

1998-06-20—Published

1996-08-27—Filed

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