ZA948870B - Process for purification and recycle of solutions - Google Patents

Process for purification and recycle of solutions

Info

Publication number
ZA948870B
ZA948870B ZA948870A ZA948870A ZA948870B ZA 948870 B ZA948870 B ZA 948870B ZA 948870 A ZA948870 A ZA 948870A ZA 948870 A ZA948870 A ZA 948870A ZA 948870 B ZA948870 B ZA 948870B
Authority
ZA
South Africa
Prior art keywords
concentrate
electrodialysis
evaporation
feed solution
concentrating
Prior art date
Application number
ZA948870A
Other languages
English (en)
Inventor
Johan Landfors
Original Assignee
Eka Nobel 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
Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab
Publication of ZA948870B publication Critical patent/ZA948870B/xx

Links

Classifications

    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • 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
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • Urology & Nephrology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Saccharide Compounds (AREA)
  • Paper (AREA)
  • Water Treatment By Sorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA948870A 1993-11-15 1994-11-09 Process for purification and recycle of solutions ZA948870B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303766A SE9303766L (sv) 1993-11-15 1993-11-15 Förfarande för rening och återföring i kretslopp av lösningar

Publications (1)

Publication Number Publication Date
ZA948870B true ZA948870B (en) 1995-07-14

Family

ID=20391751

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA948870A ZA948870B (en) 1993-11-15 1994-11-09 Process for purification and recycle of solutions

Country Status (12)

Country Link
US (1) US5547542A (de)
EP (1) EP0653511B1 (de)
JP (1) JP2968694B2 (de)
AT (1) ATE150499T1 (de)
BR (1) BR9404401A (de)
CA (1) CA2135726C (de)
DE (1) DE69402154T2 (de)
ES (1) ES2102141T3 (de)
FI (1) FI113638B (de)
NO (1) NO302488B1 (de)
SE (1) SE9303766L (de)
ZA (1) ZA948870B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792315A (en) * 1995-02-27 1998-08-11 Eka Chemicals Ab Purifying aqueous effluent from a pulp mill using electro chemical membrane device
SE9500732L (sv) * 1995-02-27 1996-08-28 Eka Chemicals Ab Förfarande för behandling av vätskor
US5961803A (en) * 1995-07-12 1999-10-05 Eka Chemicals Ab Leaching process
EP0863113A1 (de) 1997-03-07 1998-09-09 Akzo Nobel N.V. Verfahren zur Aufbereitung von Abwasser
JP2003251355A (ja) * 2001-12-28 2003-09-09 Omega:Kk 用水等の浄化殺菌方法と其の装置
GB0321579D0 (en) * 2003-09-15 2003-10-15 Boc Group Plc Treatment of aqueous chemical waste
CA2735909C (en) * 2008-09-08 2019-05-21 Jurag Separation A/S Process for controlling the ph and level of target ions of a liquid composition
DE102009036080A1 (de) * 2009-08-04 2011-02-17 Siemens Aktiengesellschaft Verfahren zum Abbau von organischen Schadstoffen in industriellem Abwasser und zugehörige Anlage
DE102010035171A1 (de) * 2010-08-23 2012-02-23 Siemens Aktiengesellschaft Abwasseraufbereitung in einer Papierfarik
WO2012062353A1 (de) * 2010-11-09 2012-05-18 Voith Patent Gmbh Verfahren zur nutzung von bei der erzeugung lignozellulosischer faserstoffe anfallendem abwasser
US9228243B2 (en) * 2011-08-24 2016-01-05 Red Shield Acquistion, LLC System and method for conditioning a hardwood pulp liquid hydrolysate
US20130313199A1 (en) * 2012-05-23 2013-11-28 High Sierra Energy, LP System and method for treatment of produced waters
US9719179B2 (en) * 2012-05-23 2017-08-01 High Sierra Energy, LP System and method for treatment of produced waters
PL2977511T3 (pl) * 2013-03-21 2020-07-13 Japan Tobacco Inc. Sposób wytwarzania ługu czarnego i sposób wytwarzania cieczy zawierającej składnik aromatyzujący
US11154087B2 (en) 2016-02-02 2021-10-26 R.J. Reynolds Tobacco Company Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds
WO2020223829A1 (es) * 2019-05-09 2020-11-12 Investigaciones Forestales Bioforest S.A. Proceso de recuperación de agua y químicos desde plantas de tratamiento de efluentes de fábricas de pulpa y papel.
CN110357251B (zh) * 2019-06-21 2021-07-13 江苏南大环保科技有限公司 一种用于反硝化的复合碳源、制备方法及应用
CN110527752B (zh) * 2019-08-06 2021-07-30 四川雅华生物有限公司 一种半纤维素水解液的电渗析分离工艺
CN113233685A (zh) * 2021-05-27 2021-08-10 华电水务工程有限公司 一种利用分离阴离子处理黑液废水的系统及其方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986951A (en) * 1975-11-18 1976-10-19 Champion International Corporation Chlorine-based bleachery effluent treatment
JPS5522051A (en) * 1978-08-02 1980-02-16 Tokuyama Soda Kk Desalting method
JPS6058230A (ja) * 1983-09-09 1985-04-04 Babcock Hitachi Kk 排煙脱硫方法および装置
US5139632A (en) * 1985-05-03 1992-08-18 Allied-Signal Inc. Recovery of mixed acids from mixed salts
JPS6366960A (ja) * 1986-09-08 1988-03-25 Mitsubishi Chem Ind Ltd Ｉｃリ−ドフレ−ムの積付け装置
AU619580B2 (en) * 1988-08-23 1992-01-30 Sappi Limited Elimination of bleach effluents
WO1990012637A2 (en) * 1989-03-15 1990-11-01 Pulp And Paper Research Institute Of Canada Electrodialytic water splitting process for the treatment of aqueous electrolytes
CA1335976C (en) * 1989-05-31 1995-06-20 Mahmoud Kamran Azarniouch Recovery of naoh and other values from spent liquors and bleach plant effluents
US4995983A (en) * 1990-03-21 1991-02-26 Macmillan Bloedel Limited Membrane separation process
US5122240A (en) * 1990-06-08 1992-06-16 Tenneco Canada Inc. Electrochemical processing of aqueous solutions
JPH0558601A (ja) * 1991-08-30 1993-03-09 Tokuyama Soda Co Ltd 硫酸塩の再生方法

Also Published As

Publication number Publication date
ES2102141T3 (es) 1997-07-16
BR9404401A (pt) 1995-07-11
FI113638B (fi) 2004-05-31
CA2135726A1 (en) 1995-05-16
US5547542A (en) 1996-08-20
FI945320A0 (fi) 1994-11-11
SE9303766D0 (sv) 1993-11-15
JP2968694B2 (ja) 1999-10-25
EP0653511B1 (de) 1997-03-19
SE9303766L (sv) 1995-05-16
FI945320A (fi) 1995-05-16
DE69402154D1 (de) 1997-04-24
CA2135726C (en) 2000-08-01
ATE150499T1 (de) 1997-04-15
EP0653511A1 (de) 1995-05-17
NO302488B1 (no) 1998-03-09
NO944355D0 (no) 1994-11-15
NO944355L (no) 1995-05-16
DE69402154T2 (de) 1997-10-16
JPH07189155A (ja) 1995-07-25

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