Title:
炭酸カルシウムの製造方法
Document Type and Number:
Japanese Patent JP4663815
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide a technique for improving the causticization step in pulp production.SOLUTION: A method for producing a causticized precipitated calcium carbonate is provided, comprising the following way: in the causticization step in a pulp production step, fired shells and a green liquor are added to carry out a causticization reaction.
Inventors:
Yuji Ono
Masato Takayama
Kamo Issei
Yuu Onodera
Kaoru Hamada
Masato Takayama
Kamo Issei
Yuu Onodera
Kaoru Hamada
Application Number:
JP2010082912A
Publication Date:
April 06, 2011
Filing Date:
March 31, 2010
Export Citation:
Assignee:
NIPPON PAPER INDUSTRIES CO.,LTD.
International Classes:
D21C11/04; C01F11/18; D21C3/02; D21H17/67; D21H19/38
Domestic Patent References:
| JP2001354415A | ||||
| JP200763062A | ||||
| JP200763080A | ||||
| JP5696983A | ||||
| JP200126419A |
Attorney, Agent or Firm:
Shinjiro Ono
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura