Title:
CEMENT PRODUCTION METHOD, PRODUCTION METHOD FOR KNEADED CEMENT PRODUCT, AND BIOMASS ASH POWDERY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/050407
Kind Code:
A1
Abstract:
Provided is a technique that enable effective utilization of biomass ash while inhibiting a reduction in the strength of a produced cured cement product. This method has: a step (a) for classifying biomass ash into rough powder and fine powder; and a step (b) for adding the rough powder obtained in step (a) at least to a cement clinker raw material to be put into a cement kiln, to a cement clinker obtained from the cement kiln, or to a cement obtained after a process of pulverizing the cement clinker.
Inventors:
KIRINO YUSUKE (JP)
TAKANO MIKU (JP)
HAYASHI KENSUKE (JP)
UCHIDA SHUNICHIRO (JP)
TAKANO MIKU (JP)
HAYASHI KENSUKE (JP)
UCHIDA SHUNICHIRO (JP)
Application Number:
PCT/JP2021/032653
Publication Date:
March 10, 2022
Filing Date:
September 06, 2021
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP (JP)
International Classes:
B07B7/08; B02C25/00; B09B3/20; B09B3/70; B09B5/00; C04B7/28; C04B7/38; C04B7/52; C04B18/10; C04B22/06
Foreign References:
| JP2017122550A | 2017-07-13 | |||
| JP2018058717A | 2018-04-12 | |||
| CN106396551A | 2017-02-15 | |||
| JP2011245404A | 2011-12-08 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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