Title:
OIL-WATER SEPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/186459
Kind Code:
A1
Abstract:
Provided is an oil-water separation method which exhibits excellent separation performance for water and coal tar. When water and coal tar are separated from each other, a polyoxyethylene-polyoxypropylene block copolymer is added into coal tar that contains water or water that contains coal tar.
Inventors:
KIKKAWA TAKASHI (JP)
TOKI TSUYOSHI (JP)
MIYAZAKI YOUHEI (JP)
TOKI TSUYOSHI (JP)
MIYAZAKI YOUHEI (JP)
Application Number:
PCT/JP2015/063030
Publication Date:
December 10, 2015
Filing Date:
April 30, 2015
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
B01D17/05; C02F1/52; C02F1/54; C10C1/06
Foreign References:
| JP2000230177A | 2000-08-22 | |||
| JPS5819349A | 1983-02-04 | |||
| JP2001162107A | 2001-06-19 | |||
| JPH04326903A | 1992-11-16 | |||
| JP2014201697A | 2014-10-27 | |||
| JP2014083466A | 2014-05-12 | |||
| JPH0321305A | 1991-01-30 | |||
| JPS59123503A | 1984-07-17 | |||
| JP2007160177A | 2007-06-28 | |||
| US20070299143A1 | 2007-12-27 | |||
| CN102249383A | 2011-11-23 |
Attorney, Agent or Firm:
WATANABE KAORU (JP)
Kaoru Watanabe (JP)
Kaoru Watanabe (JP)
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