Method of increasing the bulk density of iron oxide powder

Details Method of increasing the bulk density of iron oxide powder Method of increasing the bulk density of iron oxide powder

1996-08-02

1998-02-17

Green, Anthony

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423633, 423634, 106456, C01G 4902, C22B 114

Patent

active

057188807

ABSTRACT:
A method is provided of rapidly increasing the bulk density of an iron oxide powder by preventing the powder, processed by a roller consolidation machine, from flying up. The method consists of feeding an iron oxide powder, whose apparent bulk density is 0.4-0.6, into a sealed tank, depressurizing the tank to a vacuum of 100-200 torr, and revolving the rotating roller and rotating plow at a revolving speed of 1-2 m/sec.

REFERENCES:
patent: 5316746 (1994-05-01), Narita et al.
patent: 5635154 (1997-06-01), Arai et al.
WPIDS Abstract No. 83-35484K which is an abstract of Japanese Patent Specification No. 58-036931 (Mar. 1993).
WPIDS Abstract No. 89-096657 which is an abstract of Japanese Patent Specification No. 01-044300 (Feb. 1989).
WPIDS Abstract No. 95-057110 which is an abstract of Japanses Patent Specification No. 06-335800 (Dec. 1994).
WPIDS Abstract No. 97-134771 which is an abstract of Japanese Patent Specification No. 09-052717 (Feb. 1997).

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