Title:
炭化物含有セッコウ硬化体及びその製造方法
Document Type and Number:
Japanese Patent JP4392514
Kind Code:
B2
Abstract:
To effectively recycle both of boards and board base paper of a gypsum board waste and to solve the problems with health in a buildings.
This carbide-containing hardened gypsum body is obtained by hydrating a burned product obtained by heating a gypsum board waste at 300-800°C in the presence of at least one carbonization accelerator selected from among chlorides, hydroxides, sulfides, sulfuric acid, phosphates, and phosphoric acid.
COPYRIGHT: (C)2004,JPO
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Inventors:
Yasue
Application Number:
JP2002303178A
Publication Date:
January 06, 2010
Filing Date:
October 17, 2002
Export Citation:
Assignee:
NIHON UNIVERSITY
International Classes:
C04B28/14; C04B7/28; C04B11/024; C04B18/10; C04B18/16; C09K17/06
Domestic Patent References:
| JP6142633A | ||||
| JP10183814A | ||||
| JP11293841A | ||||
| JP2001354468A | ||||
| JP2001342688A | ||||
| JP2001146420A |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Katsunori Ando
Hajime Asamura
Katsunori Ando