Title:
METHOD FOR REFINING GAS
Document Type and Number:
Japanese Patent JP2005162988
Kind Code:
A
Abstract:
To provide a method for refining gas having high catalyst activity and increasing ammonia decomposition rate compared to the conventional methods when decomposing and removing ammonia in the gas in the presence of catalyst.
The method for refining gas comprises decomposing and removing ammonia in the gas in the presence of a catalyst, wherein material containing iron hydroxide (for example, α-oxy iron hydroxide, γ-oxy iron hydroxide or amorphous iron hydroxide) is used as the catalyst. A brown hematite is used as the material containing iron hydroxide in the method for refining gas.
Inventors:
SHIGEHISA TAKUO
KANEKO TAKAO
OTSUKA YASUO
TSUBOUCHI NAOTO
HASHIMOTO HIROYUKI
KANEKO TAKAO
OTSUKA YASUO
TSUBOUCHI NAOTO
HASHIMOTO HIROYUKI
Application Number:
JP2003407491A
Publication Date:
June 23, 2005
Filing Date:
December 05, 2003
Export Citation:
Assignee:
KOBE STEEL LTD
MITSUBISHI CHEM CORP
MITSUBISHI CHEM CORP
International Classes:
B01J23/745; C10J3/00; C10J3/02; C10J3/46; C10K1/34; (IPC1-7): C10K1/34; B01J23/745; C10J3/00; C10J3/02; C10J3/46
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Makoto Suhara