EXTRACTION METHOD OF REMOVING IMPURITIES FROM WATER MIXTURE Russian patent published in 2009 - IPC B01D11/00 C07C51/43 

Abstract RU 2345814 C2

FIELD: chemistry.

SUBSTANCE: proposal is given of a method of removing impurities from a water mixture or purified water mixture through extraction of the water mixture or purified water mixture using an extractive solvent in the extraction zone with formation of a stream of extract and a stream of raffinate and, optionally, separation of the extract stream and the solvent rich stream in the separation zone with formation of a stream of organic impurities with high boiling point and a stream of extractive solvent.

EFFECT: provision for extracting metallic catalyst in active form, reusable at the paraxylene recycling stage.

29 cl, 2 dwg, 1 tbl

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RU 2 345 814 C2

Authors

Lin Robert

De Vredeh Marsel'

Dates

2009-02-10Published

2004-06-04Filed