パルプ系排水の嫌気性処理方法 - NIPPON PAPER INDUSTRIES CO.,LTD.

Title:

パルプ系排水の嫌気性処理方法

Document Type and Number:

Japanese Patent JP5215800

Kind Code:

B2

Abstract:

To provide an anaerobic treatment method for pulp wastewater which achieves stable treatment without requiring equipment for pretreatment such as floatation separation.

A magnesium silicate compound is added to the pulp wastewater to treat the wastewater anaerobically, thereby relieving fermentation inhibition caused by oil (resin) contained in the wastewater to achieve stable anaerobic treatment.

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Inventors:

Takuro Inoue
Oshima Reiko
Yuu Onodera
Kaoru Hamada
Iijima Yuko

Application Number:

JP2008252279A

Publication Date:

June 19, 2013

Filing Date:

September 30, 2008

Export Citation:

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Assignee:

NIPPON PAPER INDUSTRIES CO.,LTD.

International Classes:

C02F3/28; B01J20/10; C02F1/28; D21C11/10

Domestic Patent References:

JP2003326295A
JP7100483A
JP7008809A
JP2005238006A

Attorney, Agent or Firm:

Shinjiro Ono
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura

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