FR2240185A1 - - Google Patents

Info

Publication number
FR2240185A1
FR2240185A1 FR7427482A FR7427482A FR2240185A1 FR 2240185 A1 FR2240185 A1 FR 2240185A1 FR 7427482 A FR7427482 A FR 7427482A FR 7427482 A FR7427482 A FR 7427482A FR 2240185 A1 FR2240185 A1 FR 2240185A1
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.)
Granted
Application number
FR7427482A
Other languages
French (fr)
Other versions
FR2240185B1 (enExample
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.)
Erco Envirotech Ltd
Original Assignee
Erco Envirotech Ltd
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 Erco Envirotech Ltd filed Critical Erco Envirotech Ltd
Publication of FR2240185A1 publication Critical patent/FR2240185A1/fr
Application granted granted Critical
Publication of FR2240185B1 publication Critical patent/FR2240185B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/04—Chlorides
    • C01D3/08—Preparation by working up natural or industrial salt mixtures or siliceous minerals
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • 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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
FR7427482A 1973-08-07 1974-08-07 Expired FR2240185B1 (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3741373 1973-08-07
AU80898/75A AU514721B2 (en) 1973-08-07 1977-05-07 Regeneration of pulping liquor

Publications (2)

Publication Number Publication Date
FR2240185A1 true FR2240185A1 (enExample) 1975-03-07
FR2240185B1 FR2240185B1 (enExample) 1979-08-03

Family

ID=25639602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427482A Expired FR2240185B1 (enExample) 1973-08-07 1974-08-07

Country Status (5)

Country Link
US (1) US3986923A (enExample)
JP (1) JPS5087991A (enExample)
AU (1) AU514721B2 (enExample)
CA (1) CA1058358A (enExample)
FR (1) FR2240185B1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2281457A1 (fr) * 1974-08-05 1976-03-05 Erco Ind Ltd Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de cellulose
FR2281458A1 (fr) * 1974-08-05 1976-03-05 Erco Ind Ltd Procede pour eliminer le chlorure de sodium dans les effluents d'usines de pate de cellulose

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI53728C (fi) * 1974-03-12 1978-07-10 Ahlstroem Oy Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
CA1096113A (en) * 1975-11-24 1981-02-24 Owens-Illinois, Inc. Fluidized bed recovery of sodium carbonate from spent cooking liquor
WO1989004395A1 (en) * 1987-11-06 1989-05-18 Kurple Kenneth R Kraft chemical recovery process
US5034094A (en) * 1987-11-06 1991-07-23 Kurple Kenneth R Method of converting inorganic materials from kraft pulping liquor into pulping chemicals without passing them through a recovery furnace
SI2231887T1 (sl) * 2007-12-24 2013-12-31 Foseco International Limited Izboljšan spremenjen tok za staljen aluminij

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1906886A (en) * 1927-11-23 1933-05-02 Brown Co Process of recovering and utilizing the valuable compounds in spent cooking liquors
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process
US3746612A (en) * 1969-12-30 1973-07-17 Erco Envirotech Ltd Removal of sodium chloride from white pulping liquor
SE362453C (sv) * 1971-02-05 1976-03-08 Mo Och Domsjoe Ab Sett att forhindra utslepp av klorhaltiga fororeningar vid natriumbaserade cellulosafabriker
JPS4943482B2 (enExample) * 1971-11-02 1974-11-21
JPS5510716B2 (enExample) * 1971-11-02 1980-03-18
US3909344A (en) * 1973-12-03 1975-09-30 Erco Envirotech Ltd Removal of sodium chloride from pulp mill operations
US3945880A (en) * 1974-08-05 1976-03-23 Erco Envirotech Ltd. Sodium chloride removal in pulp mill systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2281457A1 (fr) * 1974-08-05 1976-03-05 Erco Ind Ltd Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de cellulose
FR2281458A1 (fr) * 1974-08-05 1976-03-05 Erco Ind Ltd Procede pour eliminer le chlorure de sodium dans les effluents d'usines de pate de cellulose

Also Published As

Publication number Publication date
CA1058358A (en) 1979-07-17
AU8089875A (en) 1976-11-11
AU514721B2 (en) 1981-02-26
JPS5087991A (enExample) 1975-07-15
FR2240185B1 (enExample) 1979-08-03
US3986923A (en) 1976-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse