Title:
REGENERATION METHOD FOR DENITRATION CATALYST AND REGENERATION SYSTEM FOR DENITRATION CATALYST
Document Type and Number:
WIPO Patent Application WO/2019/004123
Kind Code:
A1
Abstract:
Provided are a regeneration method for a denitration catalyst and a regeneration system for a denitration catalyst that can eliminate coarse particles blocking the inside of the denitration catalyst along with toxic substances adhering to the denitration catalyst. The regeneration method for a denitration catalyst at least includes a chemical solution cleaning step for chemical solution cleaning by immersing the denitration catalyst in a dry state in a chemical solution that includes a fluorine compound, an inorganic acid, and a surfactant.
Inventors:
NOCHI KATSUMI (JP)
YONEMURA MASANAO (JP)
IWAMOTO KAZUHIRO (JP)
YASUTAKE TOSHINOBU (JP)
MASUDA TOMOTSUGU (JP)
YONEMURA MASANAO (JP)
IWAMOTO KAZUHIRO (JP)
YASUTAKE TOSHINOBU (JP)
MASUDA TOMOTSUGU (JP)
Application Number:
PCT/JP2018/024004
Publication Date:
January 03, 2019
Filing Date:
June 25, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
B01J38/60; B01D53/96; B01J23/20; B01J23/24; B01J23/92; B01J38/54
Domestic Patent References:
| WO2017010402A1 | 2017-01-19 |
Foreign References:
| JPH0243956A | 1990-02-14 | |||
| JPH10235209A | 1998-09-08 | |||
| JP2006192344A | 2006-07-27 | |||
| JP2007289921A | 2007-11-08 |
Attorney, Agent or Firm:
OKUYAMA, Shoichi et al. (JP)
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