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Title:
WASTE WATER TREATMENT APPARATUS
Document Type and Number:
Japanese Patent JP2012250159
Kind Code:
A
Abstract:

To provide a waste water treatment apparatus that can effectively prevent granules from flowing out from a reactor.

The waste water treatment apparatus includes: a reactor main unit 21 that has an introduction opening in the bottom thereof; waste water supply means 2, 3 and L1 that supply waste water into the reactor main unit through the introduction opening to form a rising flow of the waste water in the reactor main unit; a granule unit 22 that feeds anaerobic microorganisms into the water in the reactor main unit and precipitate the anaerobic microorganisms to form a fluidized bed of granules comprising anaerobic microorganisms staying in the lower part of the reactor main unit; a carrier part 25 that is disposed above the granule part in the reactor body and has a carrier capable of supporting anaerobic microbes; treated water discharge means 27, L2 that discharge treated water to above the carrier part; and gas-solid-liquid separation parts 10, 10A-10F, 11, 11A, 12, 16, 20, 50 and 51 that separate the granules, suspended substances and gas sticking thereupon.


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JPH0356197ANAEROBIC WATER TREATMENT APPARATUS
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Inventors:
OBARA TAKUMI
TSUTSUMI MASAHIKO
ASHIKAGA NOBUYUKI
YAMAMOTO KATSUYA
TAMURA HIROSHI
NODA KAZUHIKO
NAKAZAWA HITOSHI
KAWAGUCHI YUKIO
HASHIMOTO TOSHIICHI
TSUJI KOSHI
Application Number:
JP2011123611A
Publication Date:
December 20, 2012
Filing Date:
June 01, 2011
Export Citation:
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Assignee:
TOSHIBA CORP
JAPAN SEWAGE WORKS AGENCY
International Classes:
C02F3/28; C02F3/06; C02F3/10; C02F3/30
Domestic Patent References:
JP2009028720A2009-02-12
JP2011067821A2011-04-07
JP2005087907A2005-04-07
JP2001187394A2001-07-10
JPH0739896A1995-02-10
JPH06320189A1994-11-22
JP2011251255A2011-12-15
JP2009028720A2009-02-12
JP2011067821A2011-04-07
JP2005087907A2005-04-07
JP2001187394A2001-07-10
JPH0739896A1995-02-10
JPH06320189A1994-11-22
Attorney, Agent or Firm:
Kurata Masatoshi
Takakura Shigeo
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori



 
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