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2 049 074

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Application

5051875/26, 1992-07-09

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Actual filing date

1992-07-09

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Published

1995-11-27

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Inventor

Povorov Aleksandr AleksandrovichKornilova Natal'Ja ViktorovnaErokhina Ljudmila VladimirovnaGrishina Vera Vasil'EvnaPetrenko Aleksej Vitel'EvichSankov Vladimir NikolaevichLisov Aleksej Kuz'Mich

(73)

Holder

Povorov Aleksandr AleksandrovichKornilova Natal'Ja ViktorovnaErokhina Ljudmila VladimirovnaGrishina Vera Vasil'EvnaPetrenko Aleksej Vitel'EvichSankov Vladimir NikolaevichLisov Aleksej Kuz'Mich

METHOD OF PURIFYING WASTE WATER Russian patent published in 1995 - IPC

Abstract RU 2049074 C1

FIELD: purifying water. SUBSTANCE: waste water is preliminary cleaned, neutralized, and separated. Before separation, the cyclic changing of pH value is performed from 5-6 to 8-9 for 5-10 h and 16-22 h respectively. The concentrate is evaporated to obtain dry residue, and diaphragm members are regenerated. EFFECT: improved quality of purifying. 1 dwg, 1 tbl

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RU 2 049 074 C1

Authors

Povorov Aleksandr Aleksandrovich

Kornilova Natal'Ja Viktorovna

Erokhina Ljudmila Vladimirovna

Grishina Vera Vasil'Evna

Petrenko Aleksej Vitel'Evich

Sankov Vladimir Nikolaevich

Lisov Aleksej Kuz'Mich

Dates

1995-11-27—Published

1992-07-09—Filed

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