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Title:
AMMONIA PROCESSING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/084754
Kind Code:
A1
Abstract:
Provided is an ammonia processing system (1) comprising: a drainage line (10) for supplying boiler drainage (W) to a mixing tank (9); a pH-measuring unit (24) for measuring the pH of the boiler drainage (W) flowing in the drainage line (10); a pH-adjusting unit (23), which is provided on the drainage line (10) and is for adding a pH adjusting agent to the boiler drainage (W) to adjust the pH of the boiler drainage (W); an electrolysis device (2) for electrolyzing seawater or saline and generating electrolyzed water (E) comprising hypochlorous acid; a supply line (18), which is provided upstream of the merging section (20) of the drainage line (10) and the mixing tank (9) and is for supplying the hypochlorous acid generated in the electrolysis device (2) to the boiler drainage (W); and a control unit (8) for controlling the amount of pH adjusting agent added on the basis of the value measured by the pH-measuring unit (24).

Inventors:
TAKANAMI HIROYUKI (JP)
NASU YUSAKU (JP)
MITAMURA AKIHIRO (JP)
SHIJO DAIKI (JP)
Application Number:
PCT/JP2015/082777
Publication Date:
June 02, 2016
Filing Date:
November 20, 2015
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEMICAL ENG CO LTD (JP)
International Classes:
C02F1/46; C02F1/58; C02F1/66; C02F1/76; F01K9/00
Domestic Patent References:
WO2005075355A22005-08-18
Foreign References:
JP2014000563A2014-01-09
US4137166A1979-01-30
JP2007289841A2007-11-08
US20030234224A12003-12-25
JP2006297206A2006-11-02
JPH0975995A1997-03-25
JP2006006993A2006-01-12
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Woods Ryuichiro (JP)
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