FR1425104A - Procédé de récupération de soude à partir de liqueur de cellulose épuisée, à base de sodium - Google Patents

Procédé de récupération de soude à partir de liqueur de cellulose épuisée, à base de sodium

Info

Publication number
FR1425104A
FR1425104A FR6535A FR6535A FR1425104A FR 1425104 A FR1425104 A FR 1425104A FR 6535 A FR6535 A FR 6535A FR 6535 A FR6535 A FR 6535A FR 1425104 A FR1425104 A FR 1425104A
Authority
FR
France
Prior art keywords
spent
sodium
based cellulose
cellulose liquor
recovering soda
Prior art date
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
FR6535A
Other languages
English (en)
Inventor
Carl Arne Bergholm
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.)
Billeruds AB
Svenska Cellulosa AB
Original Assignee
Billeruds AB
Svenska Cellulosa 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 Billeruds AB, Svenska Cellulosa AB filed Critical Billeruds AB
Application granted granted Critical
Publication of FR1425104A publication Critical patent/FR1425104A/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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor
FR6535A 1964-02-26 1965-01-22 Procédé de récupération de soude à partir de liqueur de cellulose épuisée, à base de sodium Expired FR1425104A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE237964 1964-02-26
SE733864 1964-06-16

Publications (1)

Publication Number Publication Date
FR1425104A true FR1425104A (fr) 1966-01-14

Family

ID=26654355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6535A Expired FR1425104A (fr) 1964-02-26 1965-01-22 Procédé de récupération de soude à partir de liqueur de cellulose épuisée, à base de sodium

Country Status (5)

Country Link
US (1) US3333917A (fr)
DE (1) DE1273318B (fr)
FI (1) FI45358C (fr)
FR (1) FR1425104A (fr)
GB (1) GB1066903A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639111A (en) * 1969-01-30 1972-02-01 Univ California Method and apparatus for preventing formation of atmospheric pollutants in the combustion of organic material
US3718446A (en) * 1970-02-18 1973-02-27 Univ California Pollutant-free process for producing a clean burning fuel gas from organic-containing waste materials
SE378119B (fr) * 1972-04-04 1975-08-18 Angpanneforeningen
US3974021A (en) * 1974-08-27 1976-08-10 Mikhail Naumovich Bernadiner Process and cyclone reactor for fire decontamination of industrial waste water containing organic and refractory mineral impurities
US4237103A (en) * 1978-06-29 1980-12-02 Combustion Engineering, Inc. Method for disposal of sodium waste material
EP0091948A4 (fr) * 1981-10-26 1984-02-07 Rockwell International Corp Procede de production de sulfures par ecoulement d'une couche en fusion.
US4637858A (en) * 1985-02-25 1987-01-20 Crown Zellerbach Corporation Pyrolysis of black liquor at high temperatures using radiant energy
US5563282A (en) * 1995-03-27 1996-10-08 Union Carbide Chemicals & Plastics Technology Corporation Thermal process for removal of contaminants from process streams

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE485189A (fr) * 1947-10-08
US2590905A (en) * 1947-10-15 1952-04-01 Canada Paper Company Apparatus for concentrating residual pulp liquor by direct contact with flue gases
US2744812A (en) * 1949-12-01 1956-05-08 Babcock & Wilcox Co Combination of a furnace for the incineration of residual liquor with means for disintegrating solids entrained in said liquor
US2678615A (en) * 1949-12-20 1954-05-18 Rosenblad Corp Method for burning sticky, watercontaining liquid fuel
US2972520A (en) * 1957-09-06 1961-02-21 United Eng & Constructors Inc Pyrolysis of waste sulfite liquor
US3073672A (en) * 1959-04-15 1963-01-15 Stora Kopparbergs Bergslags Ab Method of gasifying sulphurous cellulose waste liquors
DE1517155A1 (de) * 1959-05-29 1969-04-24 Billeruds Ab Verfahren zum Vergasen alkalihaltiger Sulfitablaugen
US3161475A (en) * 1960-06-22 1964-12-15 Babcock & Wilcox Co Chemical and heat recovery apparatus
NO120250B (fr) * 1962-05-16 1970-09-21 Billeruds Ab

Also Published As

Publication number Publication date
FI45358B (fr) 1972-01-31
DE1273318B (de) 1968-07-18
FI45358C (fi) 1972-05-10
GB1066903A (en) 1967-04-26
US3333917A (en) 1967-08-01

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