Title:
セミ-ケミカルパルプ製造方法および装置
Document Type and Number:
Japanese Patent JP5060421
Kind Code:
B2
Abstract:
Method and apparatus for minimizing adherence of lignin to an extraction screen in a semi-chemical pulping process. The method and apparatus generally relate to supplying white liquor and NaOH to as to increase the pH of cooking liquor at or near an extraction screen.
Inventors:
Bertil Stromberg
Application Number:
JP2008199466A
Publication Date:
October 31, 2012
Filing Date:
August 01, 2008
Export Citation:
Assignee:
Andritz Incorporated
International Classes:
D21C3/02; D21C7/00
Domestic Patent References:
| JP2004535278A | ||||
| JP53119302A | ||||
| JP200080580A | ||||
| JP9003787A | ||||
| JP52027803A | ||||
| JP48011401A | ||||
| JP56009494A |
Foreign References:
| WO2007063171A1 |
Attorney, Agent or Firm:
Shizuo Nakamura