ZA961557B - A process for treating liquids - Google Patents

A process for treating liquids

Info

Publication number
ZA961557B
ZA961557B ZA961557A ZA961557A ZA961557B ZA 961557 B ZA961557 B ZA 961557B ZA 961557 A ZA961557 A ZA 961557A ZA 961557 A ZA961557 A ZA 961557A ZA 961557 B ZA961557 B ZA 961557B
Authority
ZA
South Africa
Prior art keywords
effluent
purified
compartment
cell
electric current
Prior art date
Application number
ZA961557A
Other languages
English (en)
Inventor
Johan Landfors
Christin Persson
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 ZA961557B publication Critical patent/ZA961557B/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
    • 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • 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
    • 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

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)
  • Environmental & Geological Engineering (AREA)
  • Urology & Nephrology (AREA)
  • Hydrology & Water Resources (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Paper (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
ZA961557A 1995-02-27 1996-02-27 A process for treating liquids ZA961557B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9500732A SE9500732L (sv) 1995-02-27 1995-02-27 Förfarande för behandling av vätskor

Publications (1)

Publication Number Publication Date
ZA961557B true ZA961557B (en) 1996-09-02

Family

ID=20397390

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA961557A ZA961557B (en) 1995-02-27 1996-02-27 A process for treating liquids

Country Status (13)

Country Link
EP (1) EP0728863B1 (ja)
JP (1) JPH08243358A (ja)
CN (1) CN1143050A (ja)
AT (1) ATE212392T1 (ja)
AU (1) AU671945B1 (ja)
BR (1) BR9600828A (ja)
CA (1) CA2170096C (ja)
DE (1) DE69618685D1 (ja)
FI (1) FI960833A (ja)
NO (1) NO960770L (ja)
NZ (1) NZ286034A (ja)
SE (1) SE9500732L (ja)
ZA (1) ZA961557B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE507505C2 (sv) * 1996-10-04 1998-06-15 Sunds Defibrator Ind Ab Blekning av pappersmassa varvid en avskild vätskefas oxideras för inaktivering av komplexbundna metalljoner
KR20130143082A (ko) * 2010-11-12 2013-12-30 지멘스 피티이 엘티디 전기화학적 분리를 위한 흐름 분배기들
CN103534409B (zh) * 2011-05-13 2017-02-15 斯托拉恩索公司 处理纤维素的方法和根据所述方法处理的纤维素
CN104556495B (zh) * 2013-10-23 2017-03-01 中国石油化工股份有限公司 1,3‑丙二醇发酵液脱盐树脂再生废液的处理方法
SE539887C2 (en) * 2014-10-03 2018-01-02 Stora Enso Oyj A method to purify lignin from Sulfur by using an electric field

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3929137C1 (ja) * 1989-09-01 1991-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
SE9301161L (sv) * 1993-04-07 1994-10-08 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
SE9303766L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Förfarande för rening och återföring i kretslopp av lösningar
JPH10506964A (ja) * 1994-10-05 1998-07-07 エカ ケミカルズ アクチェボラーグ パルプ製造におけるプロセス水の処理方法

Also Published As

Publication number Publication date
FI960833A (fi) 1996-08-28
SE9500732D0 (sv) 1995-02-27
NO960770L (no) 1996-08-28
NO960770D0 (no) 1996-02-26
EP0728863A2 (en) 1996-08-28
CN1143050A (zh) 1997-02-19
NZ286034A (en) 1996-10-28
CA2170096C (en) 2001-04-17
FI960833A0 (fi) 1996-02-23
EP0728863A3 (en) 1998-03-04
AU671945B1 (en) 1996-09-12
BR9600828A (pt) 1997-12-23
ATE212392T1 (de) 2002-02-15
DE69618685D1 (de) 2002-03-14
EP0728863B1 (en) 2002-01-23
JPH08243358A (ja) 1996-09-24
CA2170096A1 (en) 1996-08-28
SE9500732L (sv) 1996-08-28

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