Title:
炭酸化物からの遊離炭素製造法
Document Type and Number:
Japanese Patent JP6790955
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a novel application method of carbonate for manufacturing free carbon capable of being used as an ordinary carbon source for fuel, additive material or the like in an easy recovery state from carbonate.SOLUTION: There is provided a manufacturing method of free carbon by mixing alkali silicate containing iron of 0.01 to 5 mass% and carbonate, heating them at 700°C to 1600°C in non-oxidation atmosphere, and obtaining carbon in a state that it is separated from the alkali silicate.SELECTED DRAWING: None
Inventors:
Jiro Kondo
Application Number:
JP2017061270A
Publication Date:
November 25, 2020
Filing Date:
March 27, 2017
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C01B32/205
Domestic Patent References:
| JP2015187059A | ||||
| JP2017048101A | ||||
| JP2014531383A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Fukuchi Ritsuo
Yoshihiro Kobayashi
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Fukuchi Ritsuo
Yoshihiro Kobayashi
Satoshi Deno