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Title:
EXHAUST GAS TREATMENT APPARATUS AND METHOD OF OPERATING THE SAME
Document Type and Number:
Japanese Patent JP2011147881
Kind Code:
A
Abstract:

To provide an exhaust gas treatment apparatus which can prevent or control formation of scale, thus eliminate the possibility of clogging of circulation piping by scale and ensure stable operation even when utilizing treated water of wastewater, e.g., sewage, and allow use of such treated water without troubles, instead of using e.g., industrial or well water, and economical treatment of exhaust gas and a method of operating the apparatus.

The apparatus includes a monitor means for monitoring the concentration of phosphorus in treated water to be replenished to an exhaust gas treatment column as replenished water and is configured so that, when the concentration of phosphorus is ≥3 mg/L, the pH is adjusted to 6.4-6.6.


Inventors:
ASANO MASAMICHI
NAKAMURA TAKESHI
YAMASHIKA YOSHINORI
Application Number:
JP2010010930A
Publication Date:
August 04, 2011
Filing Date:
January 21, 2010
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEMICAL ENG CO LTD
International Classes:
B01D53/50; B01D53/18; B01D53/77
Domestic Patent References:
JP2003190740A2003-07-08
JP2002361038A2002-12-17
JP2003240205A2003-08-27
JP2007260560A2007-10-11
JPH11104437A1999-04-20
JPH02229525A1990-09-12
JP2004024945A2004-01-29
JP2005270903A2005-10-06
JPS6186922A1986-05-02
JP2004188408A2004-07-08
JPS62193628A1987-08-25
JPH03275123A1991-12-05
JP2003190740A2003-07-08
JP2002361038A2002-12-17
JP2003240205A2003-08-27
JP2007260560A2007-10-11
JPH11104437A1999-04-20
JPH02229525A1990-09-12
JP2004024945A2004-01-29
JP2005270903A2005-10-06
JPS6186922A1986-05-02
JP2004188408A2004-07-08
JPS62193628A1987-08-25
JPH03275123A1991-12-05
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Fukagawa Eri
Satoshi Morimoto
Kyoko Tsunoda
Takashi Matsuzaki
Hirose Miki



 
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