METHOD AND APPARATUS FOR PURIFYING WASTE WATER

WIPO Patent Application WO/2013/002447

A1

The present invention allows obtainment of filtered water having a superior water quality while requiring a short time for removing a plug, by disclosing a method for purifying waste water comprising: a plug formation step of forming the plug by inserting a material for forming a plug in waste water and mixing same in a mixing tub (100); a cyclone separation step of separating the waste water comprising the plug into waste water including a high-density plug and waste water including a low-density plug by means of a hydro cyclone (200); and a rising separation step of separating the waste water comprising the low-density plug into the low-density plug and filtered water by means of a rising separation tub (300).

KIM HYUN-BAE (KR)
YOON HEE-CHUL (KR)
NAM HAI-UK (KR)
KO JOO-HYUNG (KR)
OH JEILL (KR)
CHOI YOUNG-HWA (KR)
PARK JAE-WOONG (KR)
LIM YOON-DAE (KR)

PCT/KR2011/005281

January 03, 2013

July 19, 2011

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BLUEGRENLINK CO LTD (KR)
POSCO ENG & CONSTR CO LTD (KR)
KIM HYUN-BAE (KR)
YOON HEE-CHUL (KR)
NAM HAI-UK (KR)
KO JOO-HYUNG (KR)
OH JEILL (KR)
CHOI YOUNG-HWA (KR)
PARK JAE-WOONG (KR)
LIM YOON-DAE (KR)

C02F1/52; B01D21/26; C02F1/24

KR20050028619A	2005-03-23
JPH0768300A	1995-03-14
KR100913068B1	2009-08-21
JP2004148185A	2004-05-27

GUIBELIN, E. ET AL., WAT.SCI.TECH., vol. 30, no. 1, 31 December 1994 (1994-12-31), pages 87 - 96

B&IP-JOOWON PATENT AND LAW FIRM (KR)
특허법인주원 (KR)

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