METHOD FOR ACCELERATING METHANE FERMENTATION BY DECREASE OF HYDROGEN PARTIAL PRESSURE

Title:

METHOD FOR ACCELERATING METHANE FERMENTATION BY DECREASE OF HYDROGEN PARTIAL PRESSURE

Document Type and Number:

Japanese Patent JPH03250000

Kind Code:

A

Abstract:

PURPOSE: To prevent the stop or decrease of the methane fermentation reaction during the operation of methane fermentation by controlling the concn. of formic acid when the hydrogen partial pressure in a methane fermentation tank increases.

CONSTITUTION: The formic acid is added into the methane fermentation tank to control the concn. when the hydrogen partial pressure increases, by which the activity of the hydrogen metabolizable methane bacteria in the fermentation tank is enhanced and the hydrogen partial pressure in the tank is lowered to accelerate the methane fermentation. The concn. of the formic acid is preferably 3 to 7(g-HCOOH/g-VSS).

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Inventors:

NIIMURA YASUKO
KANEKO SEIJI
TOMOSAWA TAKASHI
SAITO YUJI

Application Number:

JP4563990A

Publication Date:

November 07, 1991

Filing Date:

February 28, 1990

Export Citation:

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Assignee:

TAISEI CORP

International Classes:

C12P5/02; C02F3/28; C02F11/04; (IPC1-7): C02F3/28; C02F11/04; C12P5/02

Attorney, Agent or Firm:

Sakuo Yamaguchi

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