FR2235225B1 - - Google Patents

Info

Publication number
FR2235225B1
FR2235225B1 FR7324102A FR7324102A FR2235225B1 FR 2235225 B1 FR2235225 B1 FR 2235225B1 FR 7324102 A FR7324102 A FR 7324102A FR 7324102 A FR7324102 A FR 7324102A FR 2235225 B1 FR2235225 B1 FR 2235225B1
Authority
FR
France
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
Application number
FR7324102A
Other languages
French (fr)
Other versions
FR2235225A1 (en
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.)
Danske Sukkerfabrikker AS
Original Assignee
Danske Sukkerfabrikker AS
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
Priority claimed from NO498571A external-priority patent/NO127545C/no
Priority to CH1887472A priority Critical patent/CH560289A5/xx
Priority to CA160,247A priority patent/CA992266A/en
Priority to DE2331972A priority patent/DE2331972A1/de
Application filed by Danske Sukkerfabrikker AS filed Critical Danske Sukkerfabrikker AS
Priority to FR7324102A priority patent/FR2235225A1/fr
Priority to JP48074348A priority patent/JPS5020002A/ja
Publication of FR2235225A1 publication Critical patent/FR2235225A1/fr
Application granted granted Critical
Publication of FR2235225B1 publication Critical patent/FR2235225B1/fr
Granted 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • B01D61/58—Multistep processes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/24—Processes using, or culture media containing, waste sulfite liquor
    • 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
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Water Supply & Treatment (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Virology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
FR7324102A 1971-12-30 1973-06-29 Fractionating sulphite liquor esp from wood processing - using membranes to concentrate high molecular cpds Granted FR2235225A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1887472A CH560289A5 (en:Method) 1971-12-30 1972-12-27
CA160,247A CA992266A (en) 1971-12-30 1972-12-29 Method for fractionating sulfite waste liquor
DE2331972A DE2331972A1 (de) 1971-12-30 1973-06-22 Verfahren zum fraktionieren einer sulfitablauge
FR7324102A FR2235225A1 (en) 1971-12-30 1973-06-29 Fractionating sulphite liquor esp from wood processing - using membranes to concentrate high molecular cpds
JP48074348A JPS5020002A (en:Method) 1971-12-30 1973-06-30

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO498571A NO127545C (en:Method) 1971-12-30 1971-12-30
DE2331972A DE2331972A1 (de) 1971-12-30 1973-06-22 Verfahren zum fraktionieren einer sulfitablauge
FR7324102A FR2235225A1 (en) 1971-12-30 1973-06-29 Fractionating sulphite liquor esp from wood processing - using membranes to concentrate high molecular cpds
JP48074348A JPS5020002A (en:Method) 1971-12-30 1973-06-30

Publications (2)

Publication Number Publication Date
FR2235225A1 FR2235225A1 (en) 1975-01-24
FR2235225B1 true FR2235225B1 (en:Method) 1976-09-17

Family

ID=27431704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324102A Granted FR2235225A1 (en) 1971-12-30 1973-06-29 Fractionating sulphite liquor esp from wood processing - using membranes to concentrate high molecular cpds

Country Status (5)

Country Link
JP (1) JPS5020002A (en:Method)
CA (1) CA992266A (en:Method)
CH (1) CH560289A5 (en:Method)
DE (1) DE2331972A1 (en:Method)
FR (1) FR2235225A1 (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808022C3 (de) * 1978-02-24 1982-02-04 Heinrich Frings Gmbh & Co Kg, 5300 Bonn Vorrichtung zur kontinuierlichen Ultrafiltration einer Flüssigkeit
SE453840B (sv) * 1984-12-21 1988-03-07 Mo Och Domsjoe Ab Forfarande vid framstellning av cellulosamassa
CA1255058A (en) * 1985-05-28 1989-06-06 Gary B. Derdall Process for preparation of potassium salts from pulping of lignocellulosic materials
US4995983A (en) * 1990-03-21 1991-02-26 Macmillan Bloedel Limited Membrane separation process
DE4306260C2 (de) * 1993-03-01 1996-05-30 Zell Wildshausen Chem Werke Verfahren und Anlage zu einer elektrochemischen Behandlung von Zellstoffablauge
FI111960B (fi) 2000-12-28 2003-10-15 Danisco Sweeteners Oy Erotusmenetelmä
US20090099354A1 (en) * 2006-03-16 2009-04-16 Stfi-Packforsk Ab Method for separating polymeric pentose from a liquid/slurry
US9447131B2 (en) 2009-12-16 2016-09-20 Domsjö Fabriker Ab Lignosulfonate of a certain quality and method of preparation of lignosulfonate of a certain quality
EP3116885A4 (en) * 2014-03-12 2017-11-01 Ren Fuel K2B AB Process for treating black liquor

Also Published As

Publication number Publication date
JPS5020002A (en:Method) 1975-03-03
CA992266A (en) 1976-07-06
FR2235225A1 (en) 1975-01-24
CH560289A5 (en:Method) 1975-03-27
DE2331972A1 (de) 1975-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse