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Title:
ORGANIC WASTEWATER TREATMENT APPARATUS AND ORGANIC WASTEWATER TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2012152711
Kind Code:
A
Abstract:

To provide an organic wastewater treatment method capable of suppressing the generation of surplus sludge, and a method for suppressing the generation of surplus sludge.

The organic wastewater treatment apparatus 100 includes: a closed biological treatment tank 10 in which organic wastewater is aerobically treated by activated sludge; an oxygen-enriched gas supplying device 11 which supplies an oxygen-enriched gas in the organic wastewater; a water supply means 12 which supplies the organic wastewater, containing the oxygen-enriched gas supplied by the oxygen-enriched gas supply device, in the biological treatment tank; and a sparging means 13 which sparges organic wastewater above the water surface of the organic wastewater in the biological treatment tank, wherein the water supply means 13 can send the organic wastewater containing the oxygen-enriched gas to the treatment tank 10 while generating swirl flows in the organic wastewater containing the oxygen-enriched gas.


Inventors:
YAMAGUCHI NORIO
SHIMIZU KOJI
SAKAKIBARA TAKASHI
Application Number:
JP2011015540A
Publication Date:
August 16, 2012
Filing Date:
January 27, 2011
Export Citation:
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Assignee:
PANASONIC CORP
International Classes:
C02F3/12; B01F25/70; C02F3/20
Domestic Patent References:
JP2007312690A2007-12-06
JP2008229436A2008-10-02
JP2001087786A2001-04-03
JP2008119677A2008-05-29
JP2008080269A2008-04-10
Attorney, Agent or Firm:
Ikeuchi, Sato & Partners



 
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