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Title:
WASTE LIQUID TREATMENT APPARATUS AND METHOD
Document Type and Number:
Japanese Patent JP2007185594
Kind Code:
A
Abstract:

To provide a waste water treatment technology which requires neither a complex system nor an addition of chemicals, and enables a reduction of purification time.

A waste water treatment apparatus 10 used for purifying livestock waste liquid generated when livestock excretion is subjected to solid-liquid separation comprises a first storage tank 1 and a second storage tank 2 capable of storing waste liquid L1 and L2 respectively, a number of microorganism carriers 3 immersed in the waste liquid L1 stored in the first storage tank 1, a plurality of microbubble generators 4 immersed in the waste liquid L2 stored in the second storage tank 2, a pump 5 sucking the waste liquid L1 stored in the first storage tank 1 to send it to the microbubble generators 4, gas pathways 6 each supplying air to the microbubble generator 4, and an almost L-shaped liquid supply pathway 7 sending the waste liquid L2 in the second storage tank 2 into the first storage tank 1.


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Inventors:
YARETSU KAZUNORI
NASHIKI HISATSUNE
TAKASE TATSUHIKO
TESHIBA ICHIRO
TANAKA HIRONORI
IWASAKI TAKAAKI
NASHISHIMOKU JUNICHI
Application Number:
JP2006005319A
Publication Date:
July 26, 2007
Filing Date:
January 12, 2006
Export Citation:
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Assignee:
TASHIZEN TECHNO WORKS KK
International Classes:
C02F3/06; B01F3/04; B01F5/00; B01F5/02; C02F3/22
Domestic Patent References:
JPS5220659A1977-02-16
JPS54135048A1979-10-19
JPS63291693A1988-11-29
JPH02233199A1990-09-14
JPH0760273A1995-03-07
JP2000084578A2000-03-28
JPS57115692A1982-07-19
JPH01123697A1989-05-16
JPS60212292A1985-10-24
JP2003181258A2003-07-02
JP2003126665A2003-05-07
JP2005034814A2005-02-10
JPS4533274B1
JPS49102150A1974-09-26
JPS51120051A1976-10-21
Attorney, Agent or Firm:
Hisashi Kato
Mikio Hotta



 
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