SE437257B - Sett att styra en anaerob process for rening av avloppsvatten - Google Patents

Sett att styra en anaerob process for rening av avloppsvatten

Info

Publication number
SE437257B
SE437257B SE8304355A SE8304355A SE437257B SE 437257 B SE437257 B SE 437257B SE 8304355 A SE8304355 A SE 8304355A SE 8304355 A SE8304355 A SE 8304355A SE 437257 B SE437257 B SE 437257B
Authority
SE
Sweden
Prior art keywords
sludge
hydrolysis
water
aerobic
waste water
Prior art date
Application number
SE8304355A
Other languages
English (en)
Swedish (sv)
Other versions
SE8304355D0 (sv
Inventor
P E Andersson
G E Annergren
N L Molin
T G Welander
B G Hansson
Original Assignee
Sca Development Ab
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
Publication of SE8304355D0 publication Critical patent/SE8304355D0/xx
Priority to SE8304355A priority Critical patent/SE437257B/sv
Application filed by Sca Development Ab filed Critical Sca Development Ab
Priority to EP19840850223 priority patent/EP0135486B1/de
Priority to DE8484850223T priority patent/DE3466670D1/de
Priority to DE198484850223T priority patent/DE135486T1/de
Priority to AT84850223T priority patent/ATE30143T1/de
Priority to AU31193/84A priority patent/AU556436B2/en
Priority to US06/637,817 priority patent/US4659471A/en
Priority to JP59166307A priority patent/JPS6058296A/ja
Priority to FI843133A priority patent/FI79288C/fi
Priority to CA000460580A priority patent/CA1236596A/en
Priority to NZ209163A priority patent/NZ209163A/en
Publication of SE437257B publication Critical patent/SE437257B/sv

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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/286—Anaerobic digestion processes including two or more steps
    • 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
    • C02F3/006—Regulation methods for biological treatment
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/58—Reaction vessels connected in series or in parallel
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M45/00—Means for pre-treatment of biological substances
    • C12M45/06—Means for pre-treatment of biological substances by chemical means or hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/04—Oxidation reduction potential [ORP]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Microbiology (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Sustainable Development (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Analytical Chemistry (AREA)
  • Clinical Laboratory Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)
  • Catalysts (AREA)
  • Peptides Or Proteins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
SE8304355A 1983-08-10 1983-08-10 Sett att styra en anaerob process for rening av avloppsvatten SE437257B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8304355A SE437257B (sv) 1983-08-10 1983-08-10 Sett att styra en anaerob process for rening av avloppsvatten
EP19840850223 EP0135486B1 (de) 1983-08-10 1984-07-18 Verfahren zum Steuern eines anaeroben Prozesses
DE8484850223T DE3466670D1 (en) 1983-08-10 1984-07-18 Method of controlling an anaerobic treatment process
DE198484850223T DE135486T1 (de) 1983-08-10 1984-07-18 Verfahren zum steuern eines anaeroben prozesses.
AT84850223T ATE30143T1 (de) 1983-08-10 1984-07-18 Verfahren zum steuern eines anaeroben prozesses.
AU31193/84A AU556436B2 (en) 1983-08-10 1984-07-26 Controlling anaerobic treatment process
US06/637,817 US4659471A (en) 1983-08-10 1984-08-06 Method of controlling an anaerobic treatment process
JP59166307A JPS6058296A (ja) 1983-08-10 1984-08-08 嫌気性処理法の制御方法
FI843133A FI79288C (fi) 1983-08-10 1984-08-09 Saett att styra en anaerob reningsprocess.
CA000460580A CA1236596A (en) 1983-08-10 1984-08-09 Method of controlling an anaerobic treatment process
NZ209163A NZ209163A (en) 1983-08-10 1984-08-09 Treatment of wastewater from manufacture of peroxide bleached mechanical or chemi-mechanical pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8304355A SE437257B (sv) 1983-08-10 1983-08-10 Sett att styra en anaerob process for rening av avloppsvatten

Publications (2)

Publication Number Publication Date
SE8304355D0 SE8304355D0 (sv) 1983-08-10
SE437257B true SE437257B (sv) 1985-02-18

Family

ID=20352163

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304355A SE437257B (sv) 1983-08-10 1983-08-10 Sett att styra en anaerob process for rening av avloppsvatten

Country Status (10)

Country Link
US (1) US4659471A (de)
EP (1) EP0135486B1 (de)
JP (1) JPS6058296A (de)
AT (1) ATE30143T1 (de)
AU (1) AU556436B2 (de)
CA (1) CA1236596A (de)
DE (2) DE135486T1 (de)
FI (1) FI79288C (de)
NZ (1) NZ209163A (de)
SE (1) SE437257B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104326636A (zh) * 2014-09-22 2015-02-04 同济大学 一种能控制氧化还原电位促进污泥干法厌氧发酵的装置及方法

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529461A1 (de) * 1985-08-16 1987-02-26 Messerschmitt Boelkow Blohm Verfahren und vorrichtung zur gewinnung von biogas
NL8601216A (nl) * 1986-05-14 1987-12-01 Knp Papier Bv Werkwijze voor het zuiveren van afvalwater.
US4781836A (en) * 1986-05-16 1988-11-01 Michigan Biotechnology Institute Method for biomethanation
AT393265B (de) * 1988-06-15 1991-09-25 Voest Alpine Montage Verfahren zur erhoehung der methanausbeute bei der vergaerung
US5180494A (en) * 1989-10-09 1993-01-19 Shimizu Construction Co., Ltd. Method of controlling waste water treatment by anaerobic fermentation
GB9000236D0 (en) * 1990-01-05 1990-03-07 Shell Int Research Waste treatment
US5288406A (en) * 1990-02-14 1994-02-22 Schering Aktiengesellschaft Process for biologically purifying waste waters
US5229011A (en) * 1990-04-06 1993-07-20 Christy Sr Robert W Process for pathogen reduction in waste
US5186840A (en) * 1991-08-26 1993-02-16 Rdp Company Process for treating sewage sludge
US5013458A (en) * 1990-04-06 1991-05-07 Rdp Company Process and apparatus for pathogen reduction in waste
US5405536A (en) * 1990-04-06 1995-04-11 Rdp Company Process and apparatus for pathogen reduction in waste
DE4120808A1 (de) * 1991-06-24 1993-01-14 Recycling Energie Abfall Aufbereitung von abfaellen fuer die anaerobe vergaerung biogen-organischer bestandteile des muells, insbesondere von biomuell, nassmuell, restmuell und gewerbeabfaellen
FR2714667B1 (fr) * 1993-12-30 1997-05-09 Degremont Perfectionnements apportés au procédé de digestion anaérobie d'effluents liquides.
AT401124B (de) * 1994-07-05 1996-06-25 Plansee Ag Elektrischer leiter in lampen
US5554279A (en) * 1994-09-26 1996-09-10 Rdp Company Apparatus for treatment of sewage sludge
US5681481A (en) * 1995-05-18 1997-10-28 Rdp Company Process and apparatus for liquid sludge stabilization
US5670047B1 (en) * 1996-04-15 1999-09-07 Burke, Dennis, A. Anaerobic treatment process for the rapid hydrolysis and conversion of organic materials to soluble and gaseous components
US6113786A (en) * 1996-04-15 2000-09-05 Western Environmental Engineering Company Anaerobic treatment process with removal of inorganic material
US6309547B1 (en) 1996-04-15 2001-10-30 Western Environmental Engineering Company Anaerobic treatment process with removal of nonbiodegradable organic material
US5630942A (en) * 1996-05-29 1997-05-20 Purification Industries International Two phase anaerobic digestion process utilizing thermophilic, fixed growth bacteria
JP3434438B2 (ja) * 1997-09-18 2003-08-11 シャープ株式会社 排水処理方法および排水処理装置
US6464875B1 (en) 1999-04-23 2002-10-15 Gold Kist, Inc. Food, animal, vegetable and food preparation byproduct treatment apparatus and process
US6921485B2 (en) * 2003-03-19 2005-07-26 Rodolfo Ernesto Kilian Two phase anaerobic organic matter treatment and system
JP4542764B2 (ja) * 2003-10-22 2010-09-15 住友重機械エンバイロメント株式会社 有機性廃水の処理装置
TWI313187B (en) * 2003-11-21 2009-08-11 Ind Tech Res Inst System for the treatment of organic containing waste water
JP2007319842A (ja) * 2006-06-05 2007-12-13 Sumitomo Heavy Industries Environment Co Ltd 排水臭気の除去方法及び排水臭気の除去装置
US8065815B2 (en) * 2006-10-10 2011-11-29 Rdp Technologies, Inc. Apparatus, method and system for treating sewage sludge
FR2948355B1 (fr) * 2009-07-21 2011-09-02 Ondeo Ind Solutions Procede de methanisation, a partir d'effluents industriels ou urbains, liquides ou solides
JP5345572B2 (ja) * 2010-02-09 2013-11-20 一般財団法人電力中央研究所 紙ごみ処理方法
US20120064506A1 (en) * 2010-03-09 2012-03-15 Enos Loy Stover Optimized biogas (biomethane) production from anaerobic reactors
US20140206056A1 (en) * 2011-01-31 2014-07-24 Red Patent B.V. Installation and method for biomass conversion into methane
NL1039443C2 (en) * 2012-03-06 2013-09-09 Lely Patent Nv System for processing biomass.
HUP1200637A2 (en) 2012-11-06 2014-05-28 Utb Envirotec Zrt Installation and process for hydrolysis and acidificatoin of organic wastes
EP2799534A1 (de) * 2013-05-02 2014-11-05 Greenwatt SA Verfahren und Gerät zur Verdauung von organischem Material
BE1022055B1 (fr) * 2013-05-02 2016-02-11 Greenwatt Sa Procede et appareil de digestion de matiere organique.
WO2014177639A1 (en) * 2013-05-02 2014-11-06 Greenwatt Sa Organic matter digestion process and apparatus
PT3044172T (pt) * 2013-09-11 2019-03-29 Haskoningdhv Nederland Bv Digestão de uma lama orgânica
EP3478638A1 (de) * 2016-07-01 2019-05-08 Assadi, Abdolreza Anaerobes vergärungssystem und verfahren

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1379221A (en) * 1915-07-23 1921-05-24 Henry P Scott Process for purifying air
US2429589A (en) * 1944-01-29 1947-10-21 Averill J Wiley Manufacture of fuel gas from pulp mill wastes
US3282702A (en) * 1963-07-16 1966-11-01 Union Carbide Corp Process for removing hydrogen peroxide from liquids
US4022665A (en) * 1974-12-09 1977-05-10 Institute Of Gas Technology Two phase anaerobic digestion
US4067801A (en) * 1975-05-14 1978-01-10 Hitachi, Ltd. Process and system for anaerobic treatment of biochemical waste
US3994780A (en) * 1975-10-17 1976-11-30 Institute Of Gas Technology Anaerobic digestion with liberated enzyme biomass fractions
JPS5444350A (en) * 1977-09-14 1979-04-07 Agency Of Ind Science & Technol Aerobic digesting method
DE2927912A1 (de) * 1979-07-11 1981-01-29 Bayer Ag Verfahren zur abwasserbehandlung
GB2070580A (en) * 1980-03-04 1981-09-09 Apv Co Ltd Oxidation of organic wastes
JPS5940518B2 (ja) * 1981-10-14 1984-10-01 工業技術院長 セルロ−ス含有廃棄物の嫌気性消化方法
FI70695C (fi) * 1981-12-21 1986-10-06 Enso Gutzeit Oy Foerfarande foer rening av i synnerhet avfallsvatten som uppstaor i traefoeraedlingsindustrin
JPS5992094A (ja) * 1982-11-18 1984-05-28 Agency Of Ind Science & Technol 有機廃棄物の嫌気性消化方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104326636A (zh) * 2014-09-22 2015-02-04 同济大学 一种能控制氧化还原电位促进污泥干法厌氧发酵的装置及方法

Also Published As

Publication number Publication date
EP0135486A1 (de) 1985-03-27
AU556436B2 (en) 1986-11-06
JPS6332519B2 (de) 1988-06-30
FI79288C (fi) 1989-12-11
US4659471A (en) 1987-04-21
ATE30143T1 (de) 1987-10-15
FI843133L (fi) 1985-02-11
FI79288B (fi) 1989-08-31
DE3466670D1 (en) 1987-11-12
NZ209163A (en) 1987-04-30
DE135486T1 (de) 1985-06-05
EP0135486B1 (de) 1987-10-07
AU3119384A (en) 1985-02-14
FI843133A0 (fi) 1984-08-09
SE8304355D0 (sv) 1983-08-10
CA1236596A (en) 1988-05-10
JPS6058296A (ja) 1985-04-04

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