To provide a treating method and an apparatus of organic wastewater enhancing a treatment capacity in a methane fermentation tank by multiplexing multiple indexes to use as a control index for controlling treatment of organic wastewater.
Organic wastewater as a raw material is supplied to the membrane type methane fermentation tank 2 dipped with a membrane separation device 6 by a raw material supply means 1; a bacterial concentration (VS) and an activity of adenosinetriphosphate (ATP) in the membrane type methane fermentation tank 2, and a volatile organic acid concentration (VFA) in membrane permeated liquid having permeated through the membrane separation apparatus are measured; and a value of ATP/VS/VFA is found as a control index, to control a charge amount of the raw material by the raw material supply means 1 based on the control index.
COPYRIGHT: (C)2009,JPO&INPIT
Shinichiro Wakahara
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