JPH0338298A - Fluidized-bed type waste water treatment apparatus - Google Patents

Fluidized-bed type waste water treatment apparatus

Info

Publication number
JPH0338298A
JPH0338298A JP16987389A JP16987389A JPH0338298A JP H0338298 A JPH0338298 A JP H0338298A JP 16987389 A JP16987389 A JP 16987389A JP 16987389 A JP16987389 A JP 16987389A JP H0338298 A JPH0338298 A JP H0338298A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
carriers
screen
polypropylene
made
specific gravity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16987389A
Inventor
Masaaki Ito
Kazuaki Sato
Masahiro Takahashi
Toshiaki Tsubone
Original Assignee
Nkk Corp
Pub Works Res Inst Ministry Of Constr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • Y02W10/15Aerobic processes

Abstract

PURPOSE: To realize a scale-down and energy-saving by arranging carriers, whose specific gravity are 1.00 to 1.02 and which are made of polypropylene, in a tank and also by installing a separation screen at an outlet for treated water.
CONSTITUTION: An overall aeration system is applied by installing a gas dispersion equipment 7 at whole bottom part of a tank 11, and carriers 3, which are made of polypropylene and whose specific gravity is in a range between 1.00 to 1.02, are used. A screen 12 for separating the carriers is installed at an outlet side of treated water, and a bubbling equipment 13 is arranged in the vicinity below the screen 12. As fibrous impurities included in the original water has already been removed with a supply side screen 14, the screen 12 for separating carriers is prevented from clogging due to those impurities. A small-scale and energy-saving fluidized-bed type waste water treatment apparatus is obtained by applying the overall aeration system and using the carriers having the specified specific gravity and made of polypropylene.
COPYRIGHT: (C)1991,JPO&Japio
JP16987389A 1989-07-03 1989-07-03 Fluidized-bed type waste water treatment apparatus Pending JPH0338298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16987389A JPH0338298A (en) 1989-07-03 1989-07-03 Fluidized-bed type waste water treatment apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16987389A JPH0338298A (en) 1989-07-03 1989-07-03 Fluidized-bed type waste water treatment apparatus

Publications (1)

Publication Number Publication Date
JPH0338298A true true JPH0338298A (en) 1991-02-19

Family

ID=15894539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16987389A Pending JPH0338298A (en) 1989-07-03 1989-07-03 Fluidized-bed type waste water treatment apparatus

Country Status (1)

Country Link
JP (1) JPH0338298A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047279A (en) * 1989-01-26 1991-09-10 Shin-Kobe Electric Machinery Company, Ltd. Multilayer printed circuit board
EP1033348A4 (en) * 1998-03-06 2002-02-06 Nippon Kokan Kk Method and apparatus for treating waste water
JP2010155184A (en) * 2008-12-26 2010-07-15 Nishihara Environment Technology Inc Support feeding type biological reaction apparatus
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US9630147B2 (en) 2010-09-24 2017-04-25 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63248499A (en) * 1987-04-01 1988-10-14 Nkk Corp Treatment of waste water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63248499A (en) * 1987-04-01 1988-10-14 Nkk Corp Treatment of waste water

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047279A (en) * 1989-01-26 1991-09-10 Shin-Kobe Electric Machinery Company, Ltd. Multilayer printed circuit board
EP1033348A4 (en) * 1998-03-06 2002-02-06 Nippon Kokan Kk Method and apparatus for treating waste water
US6497819B1 (en) 1998-03-06 2002-12-24 Nkk Corporation Method and apparatus for treating waste water
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
JP2010155184A (en) * 2008-12-26 2010-07-15 Nishihara Environment Technology Inc Support feeding type biological reaction apparatus
US9630147B2 (en) 2010-09-24 2017-04-25 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement

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