AU2001259982A1 - Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors - Google Patents

Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors

Info

Publication number
AU2001259982A1
AU2001259982A1 AU2001259982A AU5998201A AU2001259982A1 AU 2001259982 A1 AU2001259982 A1 AU 2001259982A1 AU 2001259982 A AU2001259982 A AU 2001259982A AU 5998201 A AU5998201 A AU 5998201A AU 2001259982 A1 AU2001259982 A1 AU 2001259982A1
Authority
AU
Australia
Prior art keywords
bioreactor
control device
upper plate
flow
flow control
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.)
Abandoned
Application number
AU2001259982A
Inventor
David C. Pollock
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.)
Noram Engineering and Constructors Ltd
Original Assignee
Noram Engineering and Constructors 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 Noram Engineering and Constructors Ltd filed Critical Noram Engineering and Constructors Ltd
Publication of AU2001259982A1 publication Critical patent/AU2001259982A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • 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

Abstract

This application relates to improvements to long vertical shaft bioreactors for the aerobic biological treatment of wastewater and aerobic digestion of biodegradable sludges. The invention comprises a flow control device and method which improves hydraulic flow, inter-zonal mixing and gas transfer in such bioreactors. The flow control device includes a ported upper plate which is mounted in an upflow chamber of the bioreactor and a lower plate located below the upper plate at the juncture between mix and plug flow zones of the bioreactor which are in fluid communication. At least some of the ports in the upper plate are fitted with adjustable valves for regulating the flow of liquor therethrough and hence the size of a hydraulic head loss imposed by the flow control device. Preferably the upper plate is mounted at a location in the upflow chamber upstream from the inlet where influent is discharged into the bioreactor. The flow control device reduces the circulation velocity of the liquor in an upper circulating zone of the bioreactor and also provides a physical barrier substantially restricting inter-zonal mixing between the mix and plug flow zones.
AU2001259982A 2000-05-11 2001-05-09 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors Abandoned AU2001259982A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/570,162 US6468429B1 (en) 2000-05-11 2000-05-11 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors
US09570162 2000-05-11
PCT/CA2001/000692 WO2001085624A1 (en) 2000-05-11 2001-05-09 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors

Publications (1)

Publication Number Publication Date
AU2001259982A1 true AU2001259982A1 (en) 2001-11-20

Family

ID=24278506

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001259982A Abandoned AU2001259982A1 (en) 2000-05-11 2001-05-09 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors

Country Status (9)

Country Link
US (1) US6468429B1 (en)
EP (1) EP1284934B1 (en)
CN (1) CN1177769C (en)
AT (1) ATE340769T1 (en)
AU (1) AU2001259982A1 (en)
CA (1) CA2405752C (en)
DE (1) DE60123417D1 (en)
MX (1) MXPA02010871A (en)
WO (1) WO2001085624A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1363857A2 (en) * 2001-02-23 2003-11-26 V.A.I. Ltd. Methods and apparatus for biological treatment of waste waters
US7258788B2 (en) * 2004-03-12 2007-08-21 Noram Engineering And Constructors Ltd. Circular clarifier apparatus and method
CN101088928B (en) * 2004-04-28 2010-09-08 宝山钢铁股份有限公司 Microbial apparatus for treating high concentration waste chromium solution
WO2009149519A1 (en) * 2008-06-12 2009-12-17 Winwick Business Solutions Pty Ltd System for cultivation and processing of microorganisms and products therefrom
US9593300B2 (en) * 2009-03-12 2017-03-14 Prasad S Kodukula Device for fuel and chemical production from biomass-sequestered carbon dioxide and method therefor
US20120156744A1 (en) * 2009-08-04 2012-06-21 Macdonald Jeffrey M Multi-Phase, Gas-Lift Bioreactor for Generation of Biogas or Biofuel From Organic Material
US7992845B1 (en) * 2010-08-16 2011-08-09 Farrell Dean E Counter current supersaturation oxygenation system
CN202297249U (en) * 2011-10-12 2012-07-04 林长青 Inner-circulated anaerobic fluidize bed reactor
CN102515344B (en) * 2011-12-31 2013-12-04 山东汇盛天泽环境工程有限公司 High-load vertical ultradeep bioreactor
MX2019014001A (en) * 2019-11-22 2021-05-24 Xavier Valdes De La Garza High precision and efficiency recirculation system for preserving multiple density biomasses and adjusted biofilm in wastewater treatment bioreactors.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541569A (en) 1975-10-22 1979-03-07 Ici Ltd Treament of a liquid by circulation and gas contacting
US4259182A (en) * 1979-07-26 1981-03-31 Houston Systems Manufacturing Co. Waste treatment apparatus
CA1114961A (en) * 1979-10-26 1981-12-22 Canadian Industries Limited Method for maintaining a constant gas to solids ratio in effluent from a long vertical shaft bioreactor
CA1122728A (en) * 1979-10-26 1982-04-27 David C. I. Pollock Long vertical shaft bioreactor with pressurized head tanks
JPS5933439B2 (en) * 1981-02-10 1984-08-15 株式会社クボタ Microbiological wastewater treatment equipment for nitrogenous wastewater
DE3122561A1 (en) * 1981-06-06 1983-03-03 Hoechst Ag, 6000 Frankfurt "METHOD FOR IMPROVING REACTION LEADERSHIP IN MAMMOTH LOOP REACTORS"
DD274143A3 (en) * 1987-10-12 1989-12-13 Verkehrs & Tiefbau Kom DEVICE FOR THE MULTIPLE SWITCHING OF WATER-AIR MIXTURES IN DEEP-BUCKET CONTROL UNITS WITH UPPER CHUTE EXPANSION
US5650070A (en) 1996-03-14 1997-07-22 Deep Shaft Technology Inc. Aerobic long vertical shaft bioreactors
US5645726A (en) 1996-03-14 1997-07-08 Deep Shaft Technology Inc. Treatment of waste liquor in a vertical shaft bioreactor

Also Published As

Publication number Publication date
EP1284934A1 (en) 2003-02-26
WO2001085624A1 (en) 2001-11-15
US6468429B1 (en) 2002-10-22
EP1284934B1 (en) 2006-09-27
ATE340769T1 (en) 2006-10-15
CN1427804A (en) 2003-07-02
DE60123417D1 (en) 2006-11-09
MXPA02010871A (en) 2004-09-06
CN1177769C (en) 2004-12-01
CA2405752A1 (en) 2001-11-15
CA2405752C (en) 2007-03-13

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