CA1286039C - Process for the improved separation of clarified liquid from biomassin the biological treatment of sewage - Google Patents

Process for the improved separation of clarified liquid from biomassin the biological treatment of sewage

Info

Publication number
CA1286039C
CA1286039C CA000514396A CA514396A CA1286039C CA 1286039 C CA1286039 C CA 1286039C CA 000514396 A CA000514396 A CA 000514396A CA 514396 A CA514396 A CA 514396A CA 1286039 C CA1286039 C CA 1286039C
Authority
CA
Canada
Prior art keywords
sludge
sewage
activated
biomass
biological treatment
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.)
Expired - Lifetime
Application number
CA000514396A
Other languages
English (en)
French (fr)
Inventor
Artur Reischl
Hanno Henkel
Friedhelm Sahlmen
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1286039C publication Critical patent/CA1286039C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0009—Settling tanks making use of electricity or magnetism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/025—High gradient magnetic separators
    • B03C1/031—Component parts; Auxiliary operations
    • B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/14—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets
    • 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

  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Activated Sludge Processes (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Detergent Compositions (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Catalysts (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA000514396A 1985-07-23 1986-07-22 Process for the improved separation of clarified liquid from biomassin the biological treatment of sewage Expired - Lifetime CA1286039C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853526183 DE3526183A1 (de) 1985-07-23 1985-07-23 Verfahren zur verbesserten trennung der klaerfluessigkeit von der biomasse bei der biologischen abwasserreinigung
DEP3526183.8 1985-07-23

Publications (1)

Publication Number Publication Date
CA1286039C true CA1286039C (en) 1991-07-09

Family

ID=6276429

Family Applications (2)

Application Number Title Priority Date Filing Date
CA000514396A Expired - Lifetime CA1286039C (en) 1985-07-23 1986-07-22 Process for the improved separation of clarified liquid from biomassin the biological treatment of sewage
CA000514397A Expired - Lifetime CA1269493A (en) 1985-07-23 1986-07-22 Process for the improved separation of clarified liquid from biomass in the biological treatment of sewage

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA000514397A Expired - Lifetime CA1269493A (en) 1985-07-23 1986-07-22 Process for the improved separation of clarified liquid from biomass in the biological treatment of sewage

Country Status (10)

Country Link
US (2) US4735725A (enExample)
EP (1) EP0210479B1 (enExample)
JP (2) JPS6230597A (enExample)
AT (1) ATE76322T1 (enExample)
CA (2) CA1286039C (enExample)
DE (2) DE3526183A1 (enExample)
DK (1) DK167754B1 (enExample)
ES (1) ES2000542A6 (enExample)
FI (1) FI93537C (enExample)
NO (1) NO171157C (enExample)

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DE3526183A1 (de) * 1985-07-23 1987-02-05 Bayer Ag Verfahren zur verbesserten trennung der klaerfluessigkeit von der biomasse bei der biologischen abwasserreinigung
DE3615103A1 (de) * 1986-05-03 1987-11-05 Bayer Ag Verwendung von polymertraegermassen als traeger bei biochmischen umwandlungsprozessen in waessriger phase
WO1988001985A1 (en) * 1986-09-16 1988-03-24 Commonwealth Scientific And Industrial Research Or Sewage treatment
US5151177A (en) * 1990-05-10 1992-09-29 Darling-Delaware Company, Inc. Method and apparatus for dissolved air flotation with aeration
GB9220269D0 (en) * 1992-09-25 1992-11-11 Bio Separation Ltd Separation of heavy metals from aqueous media
US5310485A (en) * 1992-09-30 1994-05-10 Darling-Delaware Company, Inc. Process for dissolved gas flotation in anaerobic wastewater treatment
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JP3478321B2 (ja) 1997-03-14 2003-12-15 栗田工業株式会社 活性汚泥沈降促進剤、およびそれを用いた排水の活性汚泥処理方法
JP3839136B2 (ja) * 1997-07-02 2006-11-01 独立行政法人科学技術振興機構 微生物固定化磁性担体、その製造方法及び廃水処理方法
US6099738A (en) * 1997-12-17 2000-08-08 Micromag Corporation Method and system for removing solutes from a fluid using magnetically conditioned coagulation
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US7255793B2 (en) * 2001-05-30 2007-08-14 Cort Steven L Methods for removing heavy metals from water using chemical precipitation and field separation methods
US6936446B2 (en) * 2002-06-19 2005-08-30 Eliminite, Inc. Light weight medium for growing microorganisms
JP4551650B2 (ja) * 2003-12-01 2010-09-29 保藏 酒井 生物処理装置
AU2005316209B2 (en) 2004-12-15 2011-09-08 Ixom Operations Pty Ltd Water polishing process
US20060175252A1 (en) * 2005-02-04 2006-08-10 Upendrakumar K C Two phase anaerobic contact sequencing batch reactor (ACSBR) system for treating wastewater containing simple and complex organic constituents
WO2006112007A1 (ja) * 2005-04-13 2006-10-26 Hitachi, Ltd. 水濾過浄化装置及びその方法
US7625490B2 (en) * 2006-09-27 2009-12-01 Cort Steven L Use of a magnetic separator to biologically clean water
US7686960B2 (en) * 2006-09-27 2010-03-30 Cort Steven L Multistage process for treating water utilizing in one stage magnetic seed to sorb dissolved contaminants, and in another stage utilizing magnetic seed to clarify the water
US7691269B2 (en) * 2006-09-27 2010-04-06 Cort Steven L Method and system for retrofitting an existing water treatment system
US20080073283A1 (en) * 2006-09-27 2008-03-27 Cort Steven L Magnetic Separator for Water Treatment System
US20080073282A1 (en) * 2006-09-27 2008-03-27 Cort Steven L Device and Methods for Shearing Magnetic Floc in a Water Treatment System
US8470172B2 (en) 2007-01-09 2013-06-25 Siemens Industry, Inc. System for enhancing a wastewater treatment process
US20100213123A1 (en) 2007-01-09 2010-08-26 Marston Peter G Ballasted sequencing batch reactor system and method for treating wastewater
CA2675018C (en) 2007-01-09 2012-06-05 Cambridge Water Technology, Inc. A system and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water
BRPI0806315A2 (pt) * 2007-01-09 2011-09-06 Cambridge Water Technology Inc sistema e método para melhorar um processo de lama ativada
US20110036771A1 (en) 2007-01-09 2011-02-17 Steven Woodard Ballasted anaerobic system and method for treating wastewater
DE102009030712A1 (de) * 2009-06-26 2010-12-30 Friedrich-Alexander-Universität Erlangen-Nürnberg Verfahren zur Entnahme von CO2 aus einem Rauch-oder Abgas eines Verbrennungsprozesses
US20110017674A1 (en) * 2009-07-27 2011-01-27 Michael Anthony Schober Using Magnets or Electromagnets to Move Sewage Sludge
DE102010034083A1 (de) 2010-08-12 2012-02-16 Süd-Chemie AG Magnetische Glaspartikel zum Einsatz in Biogasanlagen, Fermentations- und Separationsprozessen
AU2011317583A1 (en) * 2010-10-22 2013-05-02 Basf Se Polyurethane thickener
CN102174253B (zh) * 2011-01-29 2013-03-13 浙江省环境保护科学设计研究院 一种多孔亲水性脱氮生物载体的制备方法及其用途
EP2683662B1 (en) * 2011-03-11 2017-11-15 Fundació Privada Institut Català de Nanotecnologia Biogas production
CN103212807B (zh) * 2012-01-19 2015-12-02 昆山思拓机器有限公司 一种用于医用支架激光加工过程的残渣回收方法
US10919792B2 (en) 2012-06-11 2021-02-16 Evoqua Water Technologies Llc Treatment using fixed film processes and ballasted settling
CA2881703C (en) 2012-09-26 2020-12-22 Evoqua Water Technologies Llc System for measuring the concentration of magnetic ballast in a slurry
EP2909147B1 (en) * 2012-10-22 2018-12-19 Evoqua Water Technologies LLC Wastewater overflow systems and methods
NZ758065A (en) * 2013-10-22 2022-08-26 Nuvoda Llc Reduction of substances in contaminated fluids using a naturally occurring biological growth media
MX374368B (es) * 2014-05-21 2025-03-06 Renewable Fibers Llc Dba Rf Wastewater Medios de biopelicula, sistema de tratamiento y metodo de tratamiento.
CN105000763A (zh) * 2015-06-22 2015-10-28 张萍 污泥综合处理方法
CN105597637B (zh) * 2015-12-21 2017-06-13 广西壮族自治区环境保护科学研究院 一种磁纳米颗粒的制备方法
CN108033556B (zh) * 2017-12-14 2023-10-17 盐城工学院 厌氧反应器
CN109179903A (zh) * 2018-10-18 2019-01-11 湖南新九方科技有限公司 一种农村生活污水处理装置
CN109485145A (zh) * 2018-12-28 2019-03-19 大连海事大学 磁化加载活性污泥耦合一体化强化含磷污水处理系统及其处理方法
ES2796998A1 (es) * 2019-05-31 2020-11-30 Univ Madrid Autonoma Procedimiento para la separación de microplásticos de matrices acuosas
CN110127860B (zh) * 2019-06-11 2021-07-30 南京大学 一种新型水处理用生物磁性悬浮填料的制备方法及设备
CN110386724A (zh) * 2019-07-19 2019-10-29 青岛思普润水处理股份有限公司 一种基于mbbr与磁分离的污水全流程处理系统与方法
CN110723808B (zh) * 2019-09-30 2022-07-22 江苏大学 一种基于珊瑚砂的磁性生物膜反应器
JP2025504690A (ja) * 2022-01-27 2025-02-14 カプトプラスティック、ソシエダッド、リミターダ 水性マトリックスからのマイクロプラスチックの磁気除去に使用される磁性材料の再生のための方法
CN119461661B (zh) * 2024-10-29 2025-11-18 水艺环保集团股份有限公司 一种基于铁基磁性生物碳载体的生物强化污水处理装置

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Also Published As

Publication number Publication date
JPH0376185B2 (enExample) 1991-12-04
EP0210479A2 (de) 1987-02-04
ATE76322T1 (de) 1992-06-15
NO862798D0 (no) 1986-07-10
JPS6230597A (ja) 1987-02-09
NO171157B (no) 1992-10-26
DE3685379D1 (de) 1992-06-25
FI93537B (fi) 1995-01-13
EP0210479A3 (en) 1987-10-14
DK348086A (da) 1987-01-24
NO171157C (no) 1993-02-03
EP0210479B1 (de) 1992-05-20
DK167754B1 (da) 1993-12-13
US4735725A (en) 1988-04-05
US5000853A (en) 1991-03-19
DE3526183A1 (de) 1987-02-05
JPS6257661A (ja) 1987-03-13
FI862998L (fi) 1987-01-24
NO862798L (no) 1987-01-26
FI862998A0 (fi) 1986-07-21
FI93537C (fi) 1995-04-25
CA1269493A (en) 1990-05-22
DK348086D0 (da) 1986-07-22
ES2000542A6 (es) 1988-03-01

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