DE69406737T2 - Verbessertes Verfahren zur Abwasseraufbereitung durch die Ausscheidung von Natriumsulfat - Google Patents

Verbessertes Verfahren zur Abwasseraufbereitung durch die Ausscheidung von Natriumsulfat

Info

Publication number
DE69406737T2
DE69406737T2 DE1994606737 DE69406737T DE69406737T2 DE 69406737 T2 DE69406737 T2 DE 69406737T2 DE 1994606737 DE1994606737 DE 1994606737 DE 69406737 T DE69406737 T DE 69406737T DE 69406737 T2 DE69406737 T2 DE 69406737T2
Authority
DE
Germany
Prior art keywords
excretion
sodium sulfate
treatment process
wastewater treatment
improved wastewater
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 - Fee Related
Application number
DE1994606737
Other languages
English (en)
Other versions
DE69406737D1 (de
Inventor
David C Hendrix
Andrew J Mcnabb
Kim L Nguyen
Michael A Loden
Jaime R Morales
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.)
BASF Corp
Original Assignee
BASF Corp
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 BASF Corp filed Critical BASF Corp
Application granted granted Critical
Publication of DE69406737D1 publication Critical patent/DE69406737D1/de
Publication of DE69406737T2 publication Critical patent/DE69406737T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/34—Organic compounds containing oxygen
    • C02F2101/345—Phenols
    • 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
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Activated Sludge Processes (AREA)
DE1994606737 1993-08-31 1994-08-27 Verbessertes Verfahren zur Abwasseraufbereitung durch die Ausscheidung von Natriumsulfat Expired - Fee Related DE69406737T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/114,701 US5346620A (en) 1993-08-31 1993-08-31 Process for waste water treatment by removal of sodium sulfate

Publications (2)

Publication Number Publication Date
DE69406737D1 DE69406737D1 (de) 1997-12-18
DE69406737T2 true DE69406737T2 (de) 1998-03-12

Family

ID=22356900

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994606737 Expired - Fee Related DE69406737T2 (de) 1993-08-31 1994-08-27 Verbessertes Verfahren zur Abwasseraufbereitung durch die Ausscheidung von Natriumsulfat

Country Status (5)

Country Link
US (1) US5346620A (de)
EP (1) EP0640568B1 (de)
CA (1) CA2131125A1 (de)
DE (1) DE69406737T2 (de)
ES (1) ES2109570T3 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5705072A (en) * 1997-02-03 1998-01-06 Haase; Richard Alan Biotreatment of wastewater from hydrocarbon processing units
AU7295098A (en) 1997-05-09 1998-11-27 University Of New Mexico In situ denitrification
CZ20033343A3 (cs) * 2001-06-08 2004-06-16 Idratech S. R. L. Způsob čištění vody vycházející ze zařízení pro odsíření kerosinů a zařízení pro provádění tohoto způsobu
ES2340452B1 (es) * 2007-06-05 2011-05-19 Sadyt Dispositivo y procedimiento de desalacion de salmueras procedentes dedesaladoras de aguas solobres con un disolvente miscible con el agua.
FR2917734B1 (fr) * 2007-06-19 2010-09-10 Magnes Pierre Jean Maurice "procede de traitement mixte chimique electrochimique d'un milieu liquide charge en nitrates, dispositif pour traiter un tel milieu liquide et applications"
CN101323490A (zh) * 2008-07-13 2008-12-17 赵志军 零排放处理环己烷氧化工艺生产环己酮皂化废碱液的方法
CN101948208B (zh) * 2010-07-30 2011-09-28 湖南新华联国际石油贸易有限公司 一种皂化废碱液干固方法及皂化粉
CN102897963A (zh) * 2012-08-29 2013-01-30 赵志军 一种环己酮废碱液资源化利用方法
CN104118961B (zh) 2013-04-26 2016-12-28 玉米产品开发股份有限公司 从生物处理后的废水中去除硫酸钠
CN103880209B (zh) * 2014-03-12 2015-08-12 广东宇星阻燃新材有限公司 一种硫酸钠废水的处理方法
US10131552B2 (en) 2015-01-06 2018-11-20 Amperage Energy Inc. Ion exchange system for removing sulfate ions from water
JP6651298B2 (ja) * 2015-04-14 2020-02-19 学校法人 東洋大学 高塩類濃度含有廃水の廃水処理方法および廃水処理装置
CN105293657A (zh) * 2015-10-14 2016-02-03 河南卷烟工业烟草薄片有限公司 造纸法再造烟叶废水深度处理方法
TWI757350B (zh) 2016-10-04 2022-03-11 紐西蘭商艾克福特士技術有限公司 熱感應溶液及其使用方法
BR112020006722A2 (pt) * 2017-10-03 2020-10-06 Aquafortus Technologies Limited solução de recuperação de sal e processos de uso da mesma
EP3762338A1 (de) 2018-03-09 2021-01-13 Covestro Intellectual Property GmbH & Co. KG Recycling von alkalisulfatreichen abwässern durch biologische vorbehandlung mit einem extrem halophilen organismus
CN110304719A (zh) * 2018-03-20 2019-10-08 中国石油化工股份有限公司 处理含高浓度环己酮废碱液中cod的方法
BR112022024520A2 (pt) * 2020-06-01 2023-02-07 Magna Imperio Systems Corp Solução de relargagem cristalizadora de líquido

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239459A (en) * 1962-12-03 1966-03-08 Patterson Hydro Chemical Corp Separation of water from saline solution
US3234125A (en) * 1962-12-26 1966-02-08 Universal Oil Prod Co Removal of water from aqueous solutions
US3177139A (en) * 1963-12-02 1965-04-06 Exxon Research Engineering Co Desalination by solvent extraction
FR1562459A (de) * 1968-04-16 1969-04-04
NL7103771A (de) * 1971-03-20 1972-09-22
US3867537A (en) * 1971-08-12 1975-02-18 American Home Prod Method of treating neisseria infections with 6-{8 2-(3-amidinoureido)-2-phenyl acetamido{9 penicillanic acid
US4261818A (en) * 1974-10-24 1981-04-14 Sweeney Maxwell P Method for making separations from aqueous solutions
SU857149A1 (ru) * 1979-10-29 1981-08-23 Предприятие П/Я М-5400 Способ получени полистиролсульфоната натри
NL8000300A (nl) * 1980-01-17 1981-08-17 Stamicarbon Werkwijze voor het zuiveren van afvalwater.
US4632760A (en) * 1980-08-18 1986-12-30 Donald N. Hanson Method of treating aqueous solutions
US4430227A (en) * 1980-08-18 1984-02-07 The Regents Of The University Of California Method of concentrating aqueous solutions
US4879042A (en) * 1980-08-18 1989-11-07 Hanson Donald N Method of crystallizing salts from aqueous solutions
US4483740A (en) * 1983-08-03 1984-11-20 A. H. Lundberg Associates, Inc. Method for recovery of reusable chemicals from C102 generator effluent
US4595508A (en) * 1984-05-07 1986-06-17 Exxon Research And Engineering Co. Reduction of sodium/ammonium alkalinity in industrial wastewater

Also Published As

Publication number Publication date
EP0640568A1 (de) 1995-03-01
DE69406737D1 (de) 1997-12-18
EP0640568B1 (de) 1997-11-12
ES2109570T3 (es) 1998-01-16
CA2131125A1 (en) 1995-03-01
US5346620A (en) 1994-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee