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Application

95110968/25, 1995-06-27

(22)

Actual filing date

1995-06-27

(45)

Published

1997-09-27

(72)

Inventor

Voropanova L.A.Kolychev V.P.Khamitsaev Kh.-O.A.Tatevosjan I.A.Koljada N.A.

(73)

Holder

Severo-Kavkazskij Gosudarstvennyj Tekhnologicheskij Universitet

METHOD OF REMOVING EMULSIFIED ORGANIC PHASE FROM WASTE WATER Russian patent published in 1997 - IPC

Abstract RU 2091325 C1

FIELD: waste water treatment. SUBSTANCE: invention relates to removing organic substances surfactant-stabilized in aqueous phase and hardness salts from waste water. The task is accomplished by treating waste water with calcium and/or magnesium chloride and separating water and organic phases, metal chlorides being added in weight proportion to organics 1:250 and hardness salts being extracted and/or floated into organic phase. Heating to 100 C is possible. EFFECT: increased waste water purification degree, speeded up process, reduced usage of reagents, and eliminated waste. 2 cl, 1 tbl

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RU 2 091 325 C1

Authors

Voropanova L.A.

Kolychev V.P.

Khamitsaev Kh.-O.A.

Tatevosjan I.A.

Koljada N.A.

Dates

1997-09-27—Published

1995-06-27—Filed

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