Title:
METHOD FOR PRODUCING POROUS CALCINED BODY
Document Type and Number:
Japanese Patent JP3481203
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain porous calcined bodies having prescribed strength and high porosity with a small amount of a binder.
SOLUTION: A fine particulate binder 4 is added to ash 1 of sewage sludge by 1-10 wt.%, they are granulated to a prescribed grain size and the resulting granules are dried and calcined at a prescribed temperature below the melting point for a prescribed time. The objective porous calcined bodies 12 are produced with such a small amount of the binder, the recycling rate of ash of sewage sludge is increased and the production cost of the calcined bodies is lowered.
Inventors:
Toyoshima Masafumi
Seisuke Sawamura
Koichi Inoue
Shuhei Miyauchi
Seisuke Sawamura
Koichi Inoue
Shuhei Miyauchi
Application Number:
JP2000349143A
Publication Date:
December 22, 2003
Filing Date:
November 16, 2000
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
Kyowa Totarwax Co., Ltd.
OSAKAPREFECTURAL GOVERNMENT
Kyowa Totarwax Co., Ltd.
OSAKAPREFECTURAL GOVERNMENT
International Classes:
B01J2/28; B09B3/00; C04B18/10; C04B35/00; C04B38/00; C04B38/08; A01G1/00; (IPC1-7): C04B35/00; A01G1/00; B01J2/28; B09B3/00; C04B38/00; C04B38/08
Domestic Patent References:
| JP8188482A | ||||
| JP7315953A | ||||
| JP59195571A | ||||
| JP8318242A |
Attorney, Agent or Firm:
Yoshihiro Tsunoda (5 others)