NO117826B - - Google Patents

Download PDF

Info

Publication number
NO117826B
NO117826B NO144236A NO14423662A NO117826B NO 117826 B NO117826 B NO 117826B NO 144236 A NO144236 A NO 144236A NO 14423662 A NO14423662 A NO 14423662A NO 117826 B NO117826 B NO 117826B
Authority
NO
Norway
Prior art keywords
sodium
sodium carbonate
carbon dioxide
sulphite
solution
Prior art date
Application number
NO144236A
Other languages
English (en)
Norwegian (no)
Inventor
S Guerrieri
Original Assignee
Lummus Co
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 Lummus Co filed Critical Lummus Co
Publication of NO117826B publication Critical patent/NO117826B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00Carbonates of sodium, potassium or alkali metals in general
    • C01D7/02Preparation by double decomposition
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/12Combustion of pulp liquors
    • D21C11/122Treatment, e.g. dissolution, of the smelt
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00Chemistry of inorganic compounds
    • Y10S423/03Papermaking liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
NO144236A 1961-05-10 1962-05-03 NO117826B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US109128A US3133789A (en) 1961-05-10 1961-05-10 Chemical recovery of waste liquors

Publications (1)

Publication Number Publication Date
NO117826B true NO117826B (fi) 1969-09-29

Family

ID=22325939

Family Applications (1)

Application Number Title Priority Date Filing Date
NO144236A NO117826B (fi) 1961-05-10 1962-05-03

Country Status (3)

Country Link
US (1) US3133789A (fi)
AT (1) AT256608B (fi)
NO (1) NO117826B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401010A (en) * 1964-09-17 1968-09-10 Lummus Co Preparation of alkali metal carbonates from the corresponding sulfates or sulfides
US3438727A (en) * 1967-05-15 1969-04-15 North American Rockwell Absorbent regeneration using carbon regenerant
CH520623A (de) * 1967-05-15 1972-03-31 North American Rockwell Verfahren zur Herstellung von Schwefelwasserstoff und Alkalimetallkarbonaten
US3516796A (en) * 1968-11-26 1970-06-23 North American Rockwell Carbonaceous process for sulfur production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1483160A (en) * 1922-03-28 1924-02-12 Darco Corp Recovering soda and active carbon
US2849292A (en) * 1953-11-16 1958-08-26 Mead Corp Pulp manufacture
US2841561A (en) * 1954-03-12 1958-07-01 Rayonier Inc Recovery of chemicals from smelt solutions
US2864669A (en) * 1954-11-01 1958-12-16 Stora Kopparbergs Bergslags Ab Method for recovering sulfur and alkali from waste liquors
US2967758A (en) * 1956-06-21 1961-01-10 Babcock & Wilcox Co Method of and apparatus for disintegrating and dispersing a molten smelt stream

Also Published As

Publication number Publication date
US3133789A (en) 1964-05-19
AT256608B (de) 1967-08-25

Similar Documents

Publication Publication Date Title
NO119964B (fi)
NO151249B (no) Stolpe for veikantmarkering, trafikksilt, lykter og lignende samt fremgangsmaate for stolpens fremstilling
US3560329A (en) Process for low sulfide chemical recovery
US1864619A (en) Cyclic process of fiber liberation
US3650888A (en) Pollution controlled polysulfide recovery process
US2864669A (en) Method for recovering sulfur and alkali from waste liquors
NO144236B (no) Veske, saerlig skoleveske.
US3841962A (en) Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes
EP0670000B1 (en) Method for acidification of soap with sodium bisulphite solution
NO117826B (fi)
US2993753A (en) Sodium sulphite liquor recovery
US4187279A (en) Device for recovering sodium chemicals from green liquor and flue gases
US3650889A (en) Pollution controlled polysulfide recovery process
US5759345A (en) Process for treating sulphur-containing spent liquor using multi-stage carbonization
NO118473B (fi)
BR112020009792B1 (pt) Método para ajustar o equilíbrio de s/na de uma fábrica de celulose de sulfato, sistema arranjado para ajustar o equilíbrio de s/na de uma fábrica de celulose de sulfato, e, uso de um biorreator
CA1076306A (en) Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulose material with alkaline sodium- and sulfur-containing sulfate pulping liquor
US5366716A (en) Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
SE506702C2 (sv) Förbehandling av fibermaterial med in situ bildad vätesulfid
US4508593A (en) Process for recovery of sulfur dioxide liberated in the chemical pulping of lignocellulosic material
CA2707024C (en) Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production
US3098710A (en) Alkali and sulfite recovery
US4049787A (en) Process for separating sulphur in the form of hydrogen sulphide from clarified green liquor obtained from the combustion of waste liquor
SU934912A3 (ru) Способ получени беленой сульфатной целлюлозы
NO141318B (no) Fremgangsmaate for utnyttelse av aktivt alkali ved natriumbaserte cellulosefabrikker