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Title:
EXHAUST GAS TREATMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/084893
Kind Code:
A1
Abstract:
An exhaust gas treatment system 1 comprises: an exhaust passage 10; a first catalyst device 21; a second catalyst device 31; a third catalyst device 41; a first concentration sensor 22; a second concentration sensor 32; a first bypass passage 23; a second bypass passage 33; a first switching device 24; a second switching device 34; and a control unit 14 which controls the first switching device 24 and the second switching device 34 on the basis of the concentration of each of compounds detected by the first concentration sensor 22 and the second concentration sensor 32.

Inventors:
SHIMIZU KANA (JP)
NISHI TSUGUMI (JP)
SHONO EMI (JP)
Application Number:
PCT/JP2023/034447
Publication Date:
April 25, 2024
Filing Date:
September 22, 2023
Export Citation:
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Assignee:
HITACHI ZOSEN CORP (JP)
International Classes:
B01D53/86; B01D53/94; F01N3/20
Foreign References:
JP2020045860A2020-03-26
JPH07136464A1995-05-30
JP2017223134A2017-12-21
JP2014176808A2014-09-25
JP2016200146A2016-12-01
JP2020045884A2020-03-26
JPH0281622U1990-06-25
JP2010174808A2010-08-12
Attorney, Agent or Firm:
IKUMI PATENT ATTORNEYS OFFICE (JP)
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