BR7410122A - Processo de producao de polpa - Google Patents

Processo de producao de polpa

Info

Publication number
BR7410122A
BR7410122A BR10122/74A BR1012274A BR7410122A BR 7410122 A BR7410122 A BR 7410122A BR 10122/74 A BR10122/74 A BR 10122/74A BR 1012274 A BR1012274 A BR 1012274A BR 7410122 A BR7410122 A BR 7410122A
Authority
BR
Brazil
Prior art keywords
production process
pulp production
pulp
production
Prior art date
Application number
BR10122/74A
Other languages
English (en)
Portuguese (pt)
Inventor
J Lukes
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 BR7410122A publication Critical patent/BR7410122A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • 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
    • C01D3/06—Preparation by working up brines; seawater or spent lyes
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
BR10122/74A 1973-12-03 1974-12-03 Processo de producao de polpa BR7410122A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US420876A US3909344A (en) 1973-12-03 1973-12-03 Removal of sodium chloride from pulp mill operations

Publications (1)

Publication Number Publication Date
BR7410122A true BR7410122A (pt) 1976-06-08

Family

ID=23668199

Family Applications (1)

Application Number Title Priority Date Filing Date
BR10122/74A BR7410122A (pt) 1973-12-03 1974-12-03 Processo de producao de polpa

Country Status (6)

Country Link
US (1) US3909344A (fr)
JP (1) JPS5088303A (fr)
BR (1) BR7410122A (fr)
CA (1) CA1070457A (fr)
FI (1) FI344574A (fr)
SE (1) SE7414971L (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1058358A (fr) * 1973-08-07 1979-07-17 Erco Envirotech Ltd. Extraction du chlorure de sodium des liquides sulfuriques
FI53728C (fi) * 1974-03-12 1978-07-10 Ahlstroem Oy Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
US3954552A (en) * 1974-08-05 1976-05-04 Erco Envirotech Ltd. Removal of sodium chloride from pulp mill systems
US3945880A (en) * 1974-08-05 1976-03-23 Erco Envirotech Ltd. Sodium chloride removal in pulp mill systems
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US4049490A (en) * 1976-02-23 1977-09-20 Veniamin Petrovich Zaplatin Electrodialysis of bleaching effluent
ZA762995B (en) * 1976-05-19 1977-07-27 Sappi Ltd Improvements relating to recovery of chemicals
SE434860B (sv) * 1976-11-15 1984-08-20 Mo Och Domsjoe Ab Forfarande for utstotning av klorider ur kemikalieatervinningssystem vid natriumbaserade massaframstellningsprocesser
CA1113207A (fr) * 1978-04-19 1981-12-01 Allan F. Gilbert Extraction du potasse en presence dans les liqueurs ayant servi a la fabrication de la pate a papier
FI77064C (fi) * 1985-04-29 1989-01-10 Tampella Oy Ab Foerfarande foer kokning och blekning av cellulosa.
SE8605120L (sv) * 1986-08-14 1988-02-15 Alby Klorat Ab Sett att bereda sulfidfri alkalilut
EP0584161B1 (fr) * 1991-05-13 1997-07-16 H.A. Simons Ltd. Preparation de liqueur blanche et procede de reduction en pate
FI95608B (fi) * 1994-06-17 1995-11-15 Ahlstroem Oy Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä
US5567293A (en) * 1994-12-22 1996-10-22 Pulp And Paper Research Institute Of Canada Electromembrane processes for the treatment of kraft mill electrostatic precipitator catch
US9364794B2 (en) 2011-09-16 2016-06-14 Sabic Global Technologies B.V. Method to remove carbonate from a caustic scrubber waste stream

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791281A (en) * 1929-04-29 1931-02-03 Morse Harry Wheeler Production of sodium-carbonate liquor
US2642399A (en) * 1949-02-23 1953-06-16 Robert S Aries Process for dissolving ash containing sodium sulfide and sodium carbonate
US2862887A (en) * 1955-10-03 1958-12-02 Western Preciptation Corp Process for production and separation of sodium sulfide and sodium carbonate from spent liquors
US3396076A (en) * 1964-12-10 1968-08-06 Parkinson Crosby & Works Inc Method of recovery of chemical values of a kraft pulping process of cellulosic material
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process
US3560329A (en) * 1968-12-27 1971-02-02 Combustion Eng Process for low sulfide chemical recovery
US3746612A (en) * 1969-12-30 1973-07-17 Erco Envirotech Ltd Removal of sodium chloride from white pulping liquor
CA947010A (en) * 1971-02-23 1974-05-14 Erco Envirotech Ltd. Chlorination of alkali metal carbonates recovered from the production of pulp

Also Published As

Publication number Publication date
JPS5088303A (fr) 1975-07-16
FI344574A (fr) 1975-06-04
US3909344A (en) 1975-09-30
SE7414971L (fr) 1975-06-04
CA1070457A (fr) 1980-01-29

Similar Documents

Publication Publication Date Title
BR7408894D0 (pt) Processo de adsorcao
BR7400184D0 (pt) Processo de bromacao
BR7410628D0 (pt) Processo para a fabricacao de substancias espumosas
BE811974A (fr) Procede de production de microcapsules
BR7310326D0 (pt) Processo de impressao
BR7409648A (pt) Processo de producao de poli-eter-quinoxalinas
BR7403022A (pt) Processo de producao de dicloreto de etileno
BR7410122A (pt) Processo de producao de polpa
BR7401508D0 (pt) Processo de tingimento
IT1013149B (it) Processo di fabbricazione di metilmercaptano
BE819882A (fr) Procede de production de furylbenzimidazoles
BR7301295D0 (pt) Processo para producao de polpa
BR7407461D0 (pt) Processo aperfeicoado para branqueamento de polpa
BR7208466D0 (pt) Processo para a producao de polpa
BR7405092D0 (pt) Processo para producao de nitroftalimidas n-substituidas
BR7409999A (pt) Processo de obtencao de poli-n-aiquil-iminoalanos
IT1012814B (it) Processo per la produzione di alcheni
BR7405112D0 (pt) Processo para producao de polieter-imidas
BE815170A (fr) Procede de production de cetazines
BR7601137A (pt) Processo para producao de polpa mecanica
BR7403189D0 (pt) Processo para fabricacao de carbonamidas
IT1025345B (it) Processo per fabbricare mercaptoben zotiazolo
BE812616A (fr) Procede de production de la 1-amino-anthraquinone
BR7406834D0 (pt) Processo para a producao de corantes azoicos
IT1002935B (it) Processo per la produzione di microorganismi