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)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Polysaccharides And Polysaccharide Derivatives (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 (pt)
JP (1) JPH08243358A (pt)
CN (1) CN1143050A (pt)
AT (1) ATE212392T1 (pt)
AU (1) AU671945B1 (pt)
BR (1) BR9600828A (pt)
CA (1) CA2170096C (pt)
DE (1) DE69618685D1 (pt)
FI (1) FI960833A7 (pt)
NO (1) NO960770L (pt)
NZ (1) NZ286034A (pt)
SE (1) SE9500732L (pt)
ZA (1) ZA961557B (pt)

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
EP2637972A1 (en) * 2010-11-12 2013-09-18 Siemens Pte Ltd. Electrical purification apparatus having a blocking spacer
DK2707540T3 (en) * 2011-05-13 2016-10-24 Stora Enso Oyj Process for the treatment of microfibrillated cellulose and microfibrillated cellulose treated according to the method
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 (pt) * 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
WO1996011299A1 (en) * 1994-10-05 1996-04-18 Eka Chemicals Ab A method for treating acid and alkaline waste streams from a bleach plant separately

Also Published As

Publication number Publication date
NZ286034A (en) 1996-10-28
DE69618685D1 (de) 2002-03-14
NO960770D0 (no) 1996-02-26
EP0728863B1 (en) 2002-01-23
NO960770L (no) 1996-08-28
CA2170096A1 (en) 1996-08-28
FI960833A7 (fi) 1996-08-28
JPH08243358A (ja) 1996-09-24
EP0728863A2 (en) 1996-08-28
EP0728863A3 (en) 1998-03-04
CA2170096C (en) 2001-04-17
AU671945B1 (en) 1996-09-12
FI960833A0 (fi) 1996-02-23
ATE212392T1 (de) 2002-02-15
SE9500732L (sv) 1996-08-28
SE9500732D0 (sv) 1995-02-27
CN1143050A (zh) 1997-02-19
BR9600828A (pt) 1997-12-23

Similar Documents

Publication Publication Date Title
SG144687A1 (en) Electrodeionization apparatus and method of operating the same
MY123871A (en) Method and apparatus for electrodeionization of water
EP0246070B1 (en) Process and apparatus for recovery of precious metal compound
EP0916620A3 (en) Desalting aqueous streams via filled cell electrodialysis
JPS60106583A (ja) 沈殿可能な材料と酸及び／又は塩基を含む水性流の処理方法
WO1998017590A1 (en) Electrodialyzer and process for desalination
EP0653511B1 (en) Process for purification and recycle of solutions
US4759849A (en) Process and a device for the treatment, by means of ozone, of feed water for reverse osmosis
EP0010984A3 (en) Layered membrane assembly and electrochemical processes and electrochemical cell utilizing same
AU671945B1 (en) A process for treating liquids
US4645625A (en) Decontamination of a radioactive waste liquid by electrodialysis
GB2265633A (en) Multicompartment electrodialyzer for desalting aqueous solutions
ZA978881B (en) Electrochemical process for purifying hydroxide compounds.
CA2015879A1 (en) Process for treatment of water and apparatus therefor
CA2079238A1 (en) Membrane separation process
AU7481096A (en) Removal of caustic in hemicellulose caustic
WO1997016380A9 (en) Removal of caustic in hemicellulose caustic
CN218810669U (zh) 一种水处理装置及净水机
US3395087A (en) Electrodialysis cell
US5667668A (en) Electrolysis process for removal of caustic in hemicellulose caustic
SU1125001A1 (ru) Способ выделени серной кислоты из растворов
RU2052942C1 (ru) Способ регулирования кислотности молочных и других пищевых продуктов, содержащих водную фазу
KR100285290B1 (ko) 전기투석을 이용한 엘-트레오닌의 회수방법
Pascarella et al. PROCESS FOR THE PURIFICATION OF WASTE WATERS
Brown et al. Bayer Process Caustic Alkali Solution Purification