FR2209718B1 - - Google Patents

Info

Publication number
FR2209718B1
FR2209718B1 FR7244029A FR7244029A FR2209718B1 FR 2209718 B1 FR2209718 B1 FR 2209718B1 FR 7244029 A FR7244029 A FR 7244029A FR 7244029 A FR7244029 A FR 7244029A FR 2209718 B1 FR2209718 B1 FR 2209718B1
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
FR7244029A
Other languages
French (fr)
Other versions
FR2209718A1 (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.)
New Oji Paper Co Ltd
Original Assignee
Oji Paper Co 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
Priority to GB5212672A priority Critical patent/GB1407276A/en
Priority to DE19722257463 priority patent/DE2257463C3/en
Priority claimed from DE19722257463 external-priority patent/DE2257463C3/en
Application filed by Oji Paper Co Ltd filed Critical Oji Paper Co Ltd
Priority to FR7244029A priority patent/FR2209718B1/fr
Publication of FR2209718A1 publication Critical patent/FR2209718A1/fr
Application granted granted Critical
Publication of FR2209718B1 publication Critical patent/FR2209718B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
    • 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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • D21C11/0092—Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7244029A 1972-11-10 1972-12-11 Expired FR2209718B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB5212672A GB1407276A (en) 1972-11-10 1972-11-10 Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
DE19722257463 DE2257463C3 (en) 1972-11-23 Process for the recovery of sodium hydroxide from the incineration of alkaline pulp waste liquors
FR7244029A FR2209718B1 (en) 1972-11-10 1972-12-11

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5212672A GB1407276A (en) 1972-11-10 1972-11-10 Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
DE19722257463 DE2257463C3 (en) 1972-11-23 Process for the recovery of sodium hydroxide from the incineration of alkaline pulp waste liquors
FR7244029A FR2209718B1 (en) 1972-11-10 1972-12-11

Publications (2)

Publication Number Publication Date
FR2209718A1 FR2209718A1 (en) 1974-07-05
FR2209718B1 true FR2209718B1 (en) 1976-01-30

Family

ID=27184863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7244029A Expired FR2209718B1 (en) 1972-11-10 1972-12-11

Country Status (2)

Country Link
FR (1) FR2209718B1 (en)
GB (1) GB1407276A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1115490A (en) * 1978-04-20 1982-01-05 Geoffrey H. Covey Alkali regenerating process
CA1188485A (en) * 1982-03-25 1985-06-11 Kien L. Nguyen Alkali regeneration process
EP3966165A4 (en) * 2019-04-29 2023-06-14 FPInnovations Process to recover alkali from a metal oxide/hydroxide containing material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2366177A (en) * 1941-11-15 1945-01-02 Thomas P Campbell Treatment of titaniferous ores
GB789104A (en) * 1955-12-07 1958-01-15 Blancs De Zinc De La Mediterra Improvements in or relating to the production of alkali metal titanates

Also Published As

Publication number Publication date
DE2257463B2 (en) 1977-06-02
FR2209718A1 (en) 1974-07-05
GB1407276A (en) 1975-09-24
DE2257463A1 (en) 1975-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse