Title:
METHOD FOR CONTROLLING PITCH AND PITCH ADSORBING AGENT
Document Type and Number:
Japanese Patent JP2002088682
Kind Code:
A
Abstract:
To suppress pitch coagulation by adding white carbon to the pulp raw material and/or the papermaking raw material to allow the white carbon to adsorb the trouble-causing pitch components in order to prevent the pitch trouble in a pulping process and/or papermaking process.
The method for controlling pitch comprises adding white carbon as a pitch-adsorbing agent at a stage where pitch components exist, and the pH value is 4.5-8 in a pulping process and/or papermaking process.
Inventors:
IIJIMA YUKO
FUJIWARA HIDEKI
KOBAYASHI KATSUHIRO
TAKEDA HIROFUMI
FUJIWARA HIDEKI
KOBAYASHI KATSUHIRO
TAKEDA HIROFUMI
Application Number:
JP2000285283A
Publication Date:
March 27, 2002
Filing Date:
September 20, 2000
Export Citation:
Assignee:
JUJO PAPER CO LTD
International Classes:
D21H21/02; D21H17/68; (IPC1-7): D21H21/02; D21H17/68
Domestic Patent References:
| JPH03260194A | 1991-11-20 | |||
| JPH04351597A | 1992-12-07 | |||
| JPS6414388A | 1989-01-18 | |||
| JPH01104892A | 1989-04-21 |
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)
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