CS201654B1 - Method of obtaining concentrated nitrogenous and organic phosphatocalcareous products from organic materials,animal excrements and sewage sludge - Google Patents

Method of obtaining concentrated nitrogenous and organic phosphatocalcareous products from organic materials,animal excrements and sewage sludge Download PDF

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Publication number
CS201654B1
CS201654B1 CS766994A CS699476A CS201654B1 CS 201654 B1 CS201654 B1 CS 201654B1 CS 766994 A CS766994 A CS 766994A CS 699476 A CS699476 A CS 699476A CS 201654 B1 CS201654 B1 CS 201654B1
Authority
CS
Czechoslovakia
Prior art keywords
organic
lime
carbon dioxide
organic materials
biogas
Prior art date
Application number
CS766994A
Other languages
Czech (cs)
English (en)
Inventor
Jaroslav Kristoufek
Original Assignee
Jaroslav Kristoufek
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 Jaroslav Kristoufek filed Critical Jaroslav Kristoufek
Priority to CS766994A priority Critical patent/CS201654B1/cs
Priority to AT791879A priority patent/AT382358B/de
Priority to GB7943690A priority patent/GB2066231B/en
Priority to NL7909266A priority patent/NL7909266A/nl
Priority to JP54173856A priority patent/JPS6021799B2/ja
Priority to DE2952794A priority patent/DE2952794C2/de
Priority to CA000343977A priority patent/CA1134965A/en
Priority to FR8002227A priority patent/FR2474901A1/fr
Publication of CS201654B1 publication Critical patent/CS201654B1/cs
Priority to US06/491,980 priority patent/US4710300A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/048—Purification of waste water by evaporation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
    • 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
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/40—Treatment of liquids or slurries
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • 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
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • 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
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
    • 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
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/20—Heating or cooling
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • 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
    • 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
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Environmental & Geological Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Animal Husbandry (AREA)
  • Inorganic Chemistry (AREA)
  • Clinical Laboratory Science (AREA)
  • Physiology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Treatment Of Sludge (AREA)
  • Fertilizers (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
CS766994A 1976-10-29 1976-10-29 Method of obtaining concentrated nitrogenous and organic phosphatocalcareous products from organic materials,animal excrements and sewage sludge CS201654B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CS766994A CS201654B1 (en) 1976-10-29 1976-10-29 Method of obtaining concentrated nitrogenous and organic phosphatocalcareous products from organic materials,animal excrements and sewage sludge
AT791879A AT382358B (de) 1976-10-29 1979-12-17 Verfahren und vorrichtung zur behandlung von stickstoffverbindungen enthaltenden organischen massen
GB7943690A GB2066231B (en) 1976-10-29 1979-12-19 Method and equipment for processing of organic materials containing nitrogen compounds
NL7909266A NL7909266A (nl) 1976-10-29 1979-12-21 Werkwijze en inrichting voor het verwerken van organische materialen, die stikstofverbindingen bevatten.
JP54173856A JPS6021799B2 (ja) 1976-10-29 1979-12-27 窒素化合物を含有する有機物の処理方法及び装置
DE2952794A DE2952794C2 (de) 1976-10-29 1979-12-31 Verfahren und Vorrichtung zur Aufbereitung organischer Abfallmassen mit hohem Gehalt an Stickstoffverbindungen
CA000343977A CA1134965A (en) 1976-10-29 1980-01-18 Method and equipment for processing of organic materials containing nitrogen compounds
FR8002227A FR2474901A1 (fr) 1976-10-29 1980-02-01 Procede et equipement pour le traitement de matieres organiques contenant des composes azotes
US06/491,980 US4710300A (en) 1976-10-29 1983-05-05 Method for processing of organic materials containing nitrogen compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS766994A CS201654B1 (en) 1976-10-29 1976-10-29 Method of obtaining concentrated nitrogenous and organic phosphatocalcareous products from organic materials,animal excrements and sewage sludge

Publications (1)

Publication Number Publication Date
CS201654B1 true CS201654B1 (en) 1980-11-28

Family

ID=5418223

Family Applications (1)

Application Number Title Priority Date Filing Date
CS766994A CS201654B1 (en) 1976-10-29 1976-10-29 Method of obtaining concentrated nitrogenous and organic phosphatocalcareous products from organic materials,animal excrements and sewage sludge

Country Status (9)

Country Link
US (1) US4710300A (de)
JP (1) JPS6021799B2 (de)
AT (1) AT382358B (de)
CA (1) CA1134965A (de)
CS (1) CS201654B1 (de)
DE (1) DE2952794C2 (de)
FR (1) FR2474901A1 (de)
GB (1) GB2066231B (de)
NL (1) NL7909266A (de)

Cited By (1)

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MD4015C2 (ro) * 2009-02-20 2010-09-30 Государственный Университет Молд0 Procedeu de epurare a apelor reziduale de azot amoniacal

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DE3843789A1 (de) * 1987-12-24 1989-07-13 Langer Bsa Maschf Verfahren und vorrichtung zur aufbereitung von organischen abfallprodukten aus fest- und fluessigstoffen, insbesondere guelle
DD282671A5 (de) * 1988-01-29 1990-09-19 Tech Hochschule C Schorlemmer Verfahren zur anaerobfermentation organischer abprodukte
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US5593590A (en) * 1991-02-27 1997-01-14 Technoagrar Consulting Ag Process for separate treatment and disposal of mixtures of solid and liquid, organic wastes
US5527464A (en) * 1991-06-24 1996-06-18 Bartha; Istvan Method and system for the treatment and utilization of waste products
DE4243918A1 (de) * 1992-12-23 1994-06-30 Gea Wiegand Gmbh Verfahren zur Behandlung von Gülle
FR2768429B1 (fr) * 1997-09-16 1999-11-12 Bch Holding Procede et dispositif pour traiter un effluent liquide fortement charge notamment en azote et en phosphore
US6409788B1 (en) 1998-01-23 2002-06-25 Crystal Peak Farms Methods for producing fertilizers and feed supplements from agricultural and industrial wastes
US6368849B1 (en) * 1998-02-20 2002-04-09 Bioscan A/S Method and plant for the treatment of liquid organic waste
US6500340B1 (en) 1998-07-20 2002-12-31 Western Environmental Engineering Company Pasteurizing sludge to exceptional quality
US6113789A (en) * 1998-07-20 2000-09-05 Western Environmental Engineering Company Pasteurization process
US6206945B1 (en) * 1998-08-10 2001-03-27 Charles Arthur Weiss, Jr. Method of producing artificial guano
US6464875B1 (en) * 1999-04-23 2002-10-15 Gold Kist, Inc. Food, animal, vegetable and food preparation byproduct treatment apparatus and process
US6508078B2 (en) 2000-10-26 2003-01-21 Crystal Peak Farms Separation of purified water and nutrients from agricultural and farm wastes
US6521129B1 (en) * 2001-08-24 2003-02-18 Ken Stamper Process for producing energy, feed material and fertilizer products from manure
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ES2199092B1 (es) * 2003-09-24 2005-05-01 Sener Grupo De Ingenieria, S.A. Procedimiento para reducir la carga contaminante de los purines.
US7674311B2 (en) * 2005-11-10 2010-03-09 Ben Gurion University Of The Negev Research And Development Authority Nitrogen extraction from organic wastes for fertigation in organic agriculture
US20070256973A1 (en) * 2006-04-04 2007-11-08 Canaleo Frank J Method and apparatus for separation of chemical materials from feces
US8216336B2 (en) * 2006-05-17 2012-07-10 Industrial Ecosystems Pty Ltd Method for integrated power generation and organic fertiliser production
CN101621935B (zh) * 2007-03-02 2012-12-12 阿彻-丹尼尔斯-米德兰公司 改性的脱除油干酒糟谷物产品及其制备方法
US7811455B2 (en) * 2007-06-07 2010-10-12 Burke Dennis A Removal of ammonia from fermentation effluent and sequestration as ammonium bicarbonate and/or carbonate
JP2011029961A (ja) * 2009-07-27 2011-02-10 Canon Inc 画像読取装置、画像読取装置の制御方法およびプログラム
CN101805753B (zh) * 2010-02-03 2012-09-05 中国科学院广州能源研究所 易腐性有机垃圾高固体两相三段厌氧消化产沼气的方法
IT1398647B1 (it) * 2010-03-08 2013-03-08 Ecotecno S P A Procedimento di denitrificazione di reflui
KR101002386B1 (ko) * 2010-08-18 2010-12-17 허관용 암모늄 질소 농도 조절에 의한 유기성 폐기물의 혐기성 소화 방법
US8637304B1 (en) 2010-12-02 2014-01-28 Dennis A. Burke Ammonia nitrogen recovery through a biological process
FR2970883B1 (fr) * 2011-01-31 2016-05-13 Akaeno Installation de valorisation de digestats ameliores
DE102012100995B4 (de) 2012-02-07 2018-02-15 Brandenburgische Technische Universität Cottbus-Senftenberg Verfahren zur Abscheidung von Ammoniak aus Biogasanlagen
PL398870A1 (pl) * 2012-04-18 2013-10-28 Biosynergia Spólka Akcyjna Nawóz i sposób otrzymywania zawiesinowego nawozu fosforowo-organicznego z odpadów pofermentacyjnych
ITMI20121707A1 (it) * 2012-10-10 2014-04-11 Syngen S R L Procedimento per la neutralizzazione tramite co2 di digestati ad elevato ph e basso contenuto di azoto
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CN104613525A (zh) * 2015-01-30 2015-05-13 无锡昊瑜节能环保设备有限公司 一种适用于乡镇的环保型沼气供暖设备及供暖方法
CN104803550A (zh) * 2015-04-08 2015-07-29 江苏鑫林环保设备有限公司 一种焦化、煤化污水预处理工艺
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4015C2 (ro) * 2009-02-20 2010-09-30 Государственный Университет Молд0 Procedeu de epurare a apelor reziduale de azot amoniacal

Also Published As

Publication number Publication date
JPS5691896A (en) 1981-07-25
DE2952794C2 (de) 1986-10-23
DE2952794A1 (de) 1981-07-30
FR2474901A1 (fr) 1981-08-07
CA1134965A (en) 1982-11-02
AT382358B (de) 1987-02-25
NL7909266A (nl) 1981-07-16
GB2066231A (en) 1981-07-08
GB2066231B (en) 1983-06-29
FR2474901B1 (de) 1983-11-10
US4710300A (en) 1987-12-01
JPS6021799B2 (ja) 1985-05-29
ATA791879A (de) 1986-07-15

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