JPS56168885A - Biological treatment of waste water - Google Patents

Biological treatment of waste water

Info

Publication number
JPS56168885A
JPS56168885A JP7361680A JP7361680A JPS56168885A JP S56168885 A JPS56168885 A JP S56168885A JP 7361680 A JP7361680 A JP 7361680A JP 7361680 A JP7361680 A JP 7361680A JP S56168885 A JPS56168885 A JP S56168885A
Authority
JP
Japan
Prior art keywords
wall
descending flow
waste water
microbes
particles
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.)
Granted
Application number
JP7361680A
Other languages
Japanese (ja)
Other versions
JPS6320597B2 (en
Inventor
Kazuo Kimoto
Muneharu Ichikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas Co Ltd
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
Application filed by Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP7361680A priority Critical patent/JPS56168885A/en
Publication of JPS56168885A publication Critical patent/JPS56168885A/en
Publication of JPS6320597B2 publication Critical patent/JPS6320597B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Biological Treatment Of Waste Water (AREA)

Abstract

PURPOSE: To strip fat microbes efficiently from particles by forming the ascending flow and descending flow circulating in a device, supplying high-concn. oxygen to the descending flow and making the velocity of the descending flow higher than the ascending velocity of oxygen bubbles.
CONSTITUTION: A cylindrical partition wall 3 is disposed at the center of a waste water treating tank 1, and waste water 5 and high-concn. oxygen 7 are supplied into the descending flow part 9 in the wall 3. The microbes which are stuck on particles such as sand, active carbon or coke are beforehand held afloat across from the top end part of the wall 3 or from slightly below the same to the bottom of the tank 1, in the space sandwiched by the tank 1 and the wall 3, thereby forming fluid layers. The waste water having absorbed oxygen in the descending flow part gives BOD components to the microbe-stuck particles in the ascending flow part. The particles stuck with the grown and fat microbes go beyond the top end of the wall 3, and are included in the descending flow, by which part of the microbes are stripped by fluid shearing forces.
COPYRIGHT: (C)1981,JPO&Japio
JP7361680A 1980-05-30 1980-05-30 Biological treatment of waste water Granted JPS56168885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7361680A JPS56168885A (en) 1980-05-30 1980-05-30 Biological treatment of waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7361680A JPS56168885A (en) 1980-05-30 1980-05-30 Biological treatment of waste water

Publications (2)

Publication Number Publication Date
JPS56168885A true JPS56168885A (en) 1981-12-25
JPS6320597B2 JPS6320597B2 (en) 1988-04-28

Family

ID=13523436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7361680A Granted JPS56168885A (en) 1980-05-30 1980-05-30 Biological treatment of waste water

Country Status (1)

Country Link
JP (1) JPS56168885A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4710168B2 (en) * 2001-05-22 2011-06-29 株式会社Ｉｈｉ Pressurized fluidized bed wastewater treatment system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4573141B1 (en) * 2009-05-21 2010-11-04 康正 西山 Gas dissolving device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5363765A (en) * 1976-11-19 1978-06-07 Kurita Water Ind Ltd Dirty water processor
JPS53140861A (en) * 1977-05-16 1978-12-08 Nishihara Kankiyou Eisei Kenki Device for treating water
JPS53146466A (en) * 1977-05-27 1978-12-20 Kurita Water Ind Ltd Fluid bed type waste water disposer
JPS54108464A (en) * 1978-02-14 1979-08-25 Chiyoda Chem Eng & Constr Co Ltd Method of biologically treating drainage by downward flow

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5363765A (en) * 1976-11-19 1978-06-07 Kurita Water Ind Ltd Dirty water processor
JPS53140861A (en) * 1977-05-16 1978-12-08 Nishihara Kankiyou Eisei Kenki Device for treating water
JPS53146466A (en) * 1977-05-27 1978-12-20 Kurita Water Ind Ltd Fluid bed type waste water disposer
JPS54108464A (en) * 1978-02-14 1979-08-25 Chiyoda Chem Eng & Constr Co Ltd Method of biologically treating drainage by downward flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4710168B2 (en) * 2001-05-22 2011-06-29 株式会社Ｉｈｉ Pressurized fluidized bed wastewater treatment system

Also Published As

Publication number Publication date
JPS6320597B2 (en) 1988-04-28

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