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Title:
TREATMENT APPARATUS FOR ENERGY-GAS PURIFICATION WASTEWATER AND TREATMENT METHOD FOR ENERGY-GAS PURIFICATION WASTEWATER
Document Type and Number:
WIPO Patent Application WO/2020/022170
Kind Code:
A1
Abstract:
Provided is a treatment apparatus 100 for wastewater that is produced as a result of energy gas purification and that contains at least ammonium ions. The treatment apparatus 100 includes: decompression equipment 10 for decompressing the wastewater; alkaline-agent addition equipment 20 for adding an alkaline agent to the wastewater after the decompression; and ammonia stripping equipment 30 for stripping ammonia from the wastewater after the alkaline-agent addition.

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Inventors:
YOSHIDA KAORI (JP)
KAN RIKIO (JP)
KAKESAKO SEIJI (JP)
Application Number:
PCT/JP2019/028189
Publication Date:
January 30, 2020
Filing Date:
July 18, 2019
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND ENG LTD (JP)
International Classes:
C02F1/20; B01D19/00; C10K1/10
Foreign References:
JP2005179611A2005-07-07
JP2004050105A2004-02-19
JP2005263850A2005-09-29
JP2007045857A2007-02-22
JP2013184986A2013-09-19
JP2017029893A2017-02-09
JPS5520693A1980-02-14
JP2006232904A2006-09-07
Other References:
See also references of EP 3782959A4
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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