Title:
IRON POWDER, ITS PRODUCTION METHOD AND METHOD FOR CLEANING, CONTAMINATED SOIL, WATER AND GAS
Document Type and Number:
Japanese Patent JP2002167602
Kind Code:
A
Abstract:
To provide iron powder with a large specific surface area which has an excellent decomposition rate for an organic halogen compound, has high safety and excellent water passability, and is suitably usable for the decomposition of an organic halogen compound.
The iron powder is obtained by depositing iron powder with a fine grain size in which the average grain size of 0.05 to <10 μm in an amount of ≤50 mass% of the whole expressed in terms of iron on the surface of iron powder of a large grain size in which the average grain size is 10 to 2,000 μm by sintering.
Inventors:
UNAMI SHIGERU
UENOSONO SATOSHI
NAKAMARU HIROKI
UENOSONO SATOSHI
NAKAMARU HIROKI
Application Number:
JP2000364967A
Publication Date:
June 11, 2002
Filing Date:
November 30, 2000
Export Citation:
Assignee:
KAWASAKI STEEL CO
International Classes:
A62D3/34; A62D3/37; B09C1/02; B09C1/08; B22F1/00; B22F1/02; C02F1/70; A62D101/22; A62D101/28; (IPC1-7): B22F1/00; A62D3/00; B09C1/02; B09C1/08; B22F1/02; C02F1/70
Attorney, Agent or Firm:
Nobuto Watanabe (1 person outside)