WASTEWATER TREATMENT SYSTEM AND COMBINED POWER GENERATION EQUIPMENT

WIPO Patent Application WO/2014/007173

A1

A wastewater treatment system and combined power generation equipment are provided with which wastewaters that are produced when a coal gasification gas is purified to obtain a purified gas are efficiently treated and the amount of the wastewaters to be discharged can be reduced. This wastewater treatment system (16) is a wastewater treatment system for treating wastewaters that are produced during the period when a gasification gas (33) is yielded in a coal gasification furnace (12) and purified in a gas purifier (14). The system has: wastewater treatment lines (L11 to L15) for treating a slag wastewater, a venturi wastewater, and a stripper wastewater which are produced when the gasification gas (33) is yielded and washed; and wastewater treatment devices (101A to 101E) for treating substances which are contained in the wastewaters discharged to the wastewater treatment lines (L11 to L15) and which need to be treated. The wastewaters in the wastewater treatment lines (L11 to L15) are individually treated, without being mixed with each other, in accordance with the substances which are contained in the wastewaters and which need to be treated.

SEIKI YOSHIO (JP)
FUJII SHUJI (JP)
CHIYOMARU MASARU (JP)
YUKUMOTO ATSUHIRO (JP)

PCT/JP2013/067881

January 09, 2014

June 28, 2013

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MITSUBISHI HEAVY IND LTD (JP)

C02F1/00; C02F1/20; C02F1/28; C02F1/42; C02F1/44; C02F1/58; C02F1/62; C02F1/64; C02F1/70; C02F1/76; C02F3/34; C02F9/00; C10J3/46; C10K1/10; C10K1/14; F01K23/10; F02C3/28

JP2005224771A	2005-08-25
JP2011194360A	2011-10-06
JP2012001686A	2012-01-05
JP2009022878A	2009-02-05
JP2012076058A	2012-04-19
JP2012107110A	2012-06-07
US20110259014A1	2011-10-27

SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)

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