Title:
METHOD FOR PRODUCING METAL SUBSTRATE FOR FLUE GAS DENITRATION CATALYST
Document Type and Number:
WIPO Patent Application WO/2012/002375
Kind Code:
A1
Abstract:
A metal substrate for flue gas-denitration catalyst that, like SUS304, can be used without corroding is provided by improving the corrosion resistance of SUS430 substrate that is inexpensive and can easily be supplied stably. The method for producing the metal substrate for flue gas-denitration catalyst performs a series of processes on band-shaped metal lath substrate obtained by metal lath-processing of a ferrite stainless steel band-shaped plate to form a corrosion-resistant phosphate compound film on the surface of said substrate: (1) a process of degreasing process oil adhering to said substrate, (2) a process of passing the substrate through a solution containing phosphoric acid and surfactant to load said solution, (3) a process of draining off the excess solution, and (4) a process of drying and heating said solution-loaded substrate to react the phosphoric acid with the substrate.
Inventors:
KATO YASUYOSHI (JP)
IMADA NAOMI (JP)
KAI KEIICHIRO (JP)
MATSUYAMA KOTOE (JP)
IMADA NAOMI (JP)
KAI KEIICHIRO (JP)
MATSUYAMA KOTOE (JP)
Application Number:
PCT/JP2011/064783
Publication Date:
January 05, 2012
Filing Date:
June 28, 2011
Export Citation:
Assignee:
BABCOCK HITACHI KK (JP)
KATO YASUYOSHI (JP)
IMADA NAOMI (JP)
KAI KEIICHIRO (JP)
MATSUYAMA KOTOE (JP)
KATO YASUYOSHI (JP)
IMADA NAOMI (JP)
KAI KEIICHIRO (JP)
MATSUYAMA KOTOE (JP)
International Classes:
B01J27/199; B01D53/94; B01J33/00; B01J35/02
Foreign References:
| JPH08117614A | 1996-05-14 | |||
| JPH04193962A | 1992-07-14 |
Other References:
See also references of EP 2589433A4
Attorney, Agent or Firm:
KAWAKITA TAKENAGA (JP)
Kawakita Takenaga (JP)
Kawakita Takenaga (JP)
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Claims: