Title:
METHOD FOR PREPARING ULTRA FINE NICKEL POWDER
Document Type and Number:
WIPO Patent Application WO/2000/074881
Kind Code:
A1
Abstract:
A method for preparing an ultra fine nickel powder by the vapor phase reduction of gaseous nickel chloride, characterized in that a gaseous material having a partial pressure of gaseous nickel chloride of 0.2 to 0.7 is introduced to a reducing furnace, and the reduction is carried out in the furnace by the use of hydrogen, at a space velocity (SV) of gaseous nickel chloride of 0.02 to 0.07 sec?-1¿.
Inventors:
ASAI TSUYOSHI (JP)
TAKATORI HIDEO (JP)
TAKATORI HIDEO (JP)
Application Number:
PCT/JP2000/003729
Publication Date:
December 14, 2000
Filing Date:
June 08, 2000
Export Citation:
Assignee:
TOHO TITANIUM CO LTD (JP)
ASAI TSUYOSHI (JP)
TAKATORI HIDEO (JP)
ASAI TSUYOSHI (JP)
TAKATORI HIDEO (JP)
International Classes:
H01G4/12; B22F9/28; B22F9/30; (IPC1-7): B22F9/26
Foreign References:
| JPS6436706A | 1989-02-07 | |||
| US4383852A | 1983-05-17 | |||
| JPH05247507A | 1993-09-24 | |||
| JPH1066863A | 1998-03-10 | |||
| JPH08246001A | 1996-09-24 |
Other References:
See also references of EP 1114684A4
Attorney, Agent or Firm:
Suenari, Mikio (Kyobashi 2-chome Chuo-ku Tokyo, JP)
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