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Patent Searching and Data


Title:
緑液の処理方法
Document Type and Number:
Japanese Patent JP4672531
Kind Code:
B2
Abstract:

To provide a method for treating a green solution, by which impurities in the green solution can enough be removed by a simple process and apparatus.

This method for treating the green solution, comprising adding an anionic polymer coagulant with two or more portions to the green solution produced on the production of craft pulp to remove impurities, is characterized adding a first anionic polymer coagulant to a turbulent flow region in front of a pump or behind the pump disposed in a line for delivering the green solution to a clarifier, and then adding the final anionic polymer coagulant, before the green solution is delivered to the clarifier.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Kazuo Kashima
Kashin Yasuhiro
Gosho
Koji Mori
Application Number:
JP2005333824A
Publication Date:
April 20, 2011
Filing Date:
November 18, 2005
Export Citation:
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Assignee:
Dianitrix Co., Ltd.
International Classes:
D21C11/04; B01D21/01; C02F1/56
Domestic Patent References:
JP2005200821A
JP62279812A
JP10099867A
JP40020167B1
JP2003505224A
JP2004160347A
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama