NO118473B - - Google Patents

Download PDF

Info

Publication number
NO118473B
NO118473B NO151249A NO15124963A NO118473B NO 118473 B NO118473 B NO 118473B NO 151249 A NO151249 A NO 151249A NO 15124963 A NO15124963 A NO 15124963A NO 118473 B NO118473 B NO 118473B
Authority
NO
Norway
Prior art keywords
hydrogen sulphide
sulphide
carbon dioxide
oxygen
polysulphide
Prior art date
Application number
NO151249A
Other languages
English (en)
Norwegian (no)
Inventor
E Venemark
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of NO118473B publication Critical patent/NO118473B/no

Links

Classifications

    • 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
    • D21C11/0064Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
    • 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

  • Paper (AREA)
NO151249A 1962-12-17 1963-12-14 NO118473B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1359462 1962-12-17

Publications (1)

Publication Number Publication Date
NO118473B true NO118473B (pt) 1969-12-29

Family

ID=20297652

Family Applications (1)

Application Number Title Priority Date Filing Date
NO151249A NO118473B (pt) 1962-12-17 1963-12-14

Country Status (3)

Country Link
US (1) US3331733A (pt)
FI (1) FI40604B (pt)
NO (1) NO118473B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525666A (en) * 1964-08-31 1970-08-25 Mo Och Domsjoe Ab Process for preparing kraft pulping liquor from black liquor including separate carbonation with combustion gases and evaporation steps
US3531251A (en) * 1969-03-11 1970-09-29 Freeport Sulphur Co Recovering elemental sulfur from waters containing hydrogen sulfide
SE407244B (sv) * 1976-02-05 1979-03-19 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa av lovved i tva steg
US4153502A (en) * 1977-05-06 1979-05-08 Corrosion Service Company Limited Process for the production of polysulphide pulping liquor from pulp mill recovery smelt
FI54946C (fi) * 1977-09-05 1979-04-10 Tampella Oy Ab Saett och anordning foer aotervinning av natriumkemikalier fraon groenlut samt roekgaser
EP0237217B1 (en) * 1986-03-07 1992-04-01 The BOC Group plc Treatment of gases
EP0237216B1 (en) * 1986-03-07 1991-05-22 The BOC Group plc Treatment of gas streams

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594149A (en) * 1948-03-05 1952-04-22 Great Lakes Carbon Corp Sulfur recovery
US2824071A (en) * 1953-05-13 1958-02-18 Rayonier Inc Recovery of chemicals in wood pulp preparation
US2849292A (en) * 1953-11-16 1958-08-26 Mead Corp Pulp manufacture
US2909407A (en) * 1955-09-09 1959-10-20 Stora Kopparbergs Bergslags Ab Method in the recovery of alkali and sulphur by carbonization of melt soda solutions obtained in the manufacture of cellulose
US2919976A (en) * 1956-06-08 1960-01-05 Pan American Petroleum Corp Conversion of hydrogen sulfide into free sulfur
US3005686A (en) * 1958-05-05 1961-10-24 Weyerhaeuser Co Sodium sulfite recovery process
US3098710A (en) * 1959-07-16 1963-07-23 Stora Kopparbergs Bergslags Ab Alkali and sulfite recovery
US3079238A (en) * 1961-02-27 1963-02-26 Stearns Roger Mfg Company Gas purification system

Also Published As

Publication number Publication date
US3331733A (en) 1967-07-18
FI40604B (pt) 1968-11-30

Similar Documents

Publication Publication Date Title
NO119964B (pt)
NO151249B (no) Stolpe for veikantmarkering, trafikksilt, lykter og lignende samt fremgangsmaate for stolpens fremstilling
NO841299L (no) Fremgangsmaate ved gjenvinning av kjemikalier fra lut
US4148684A (en) Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations
US3560329A (en) Process for low sulfide chemical recovery
NO118473B (pt)
US3331732A (en) Method of removing hydrogen sulfide from an aqueous solution of alkali sulfide
US1864619A (en) Cyclic process of fiber liberation
EP0599917B1 (en) Production of alkali metal hydroxide and regeneration of pulp liquors
US2993753A (en) Sodium sulphite liquor recovery
US2841561A (en) Recovery of chemicals from smelt solutions
US1906886A (en) Process of recovering and utilizing the valuable compounds in spent cooking liquors
US2864669A (en) Method for recovering sulfur and alkali from waste liquors
GB1336899A (en) Pollution controlled polysulphide recovery process
US3020195A (en) Production of potassium compounds
SE468600B (sv) Saett att framstaella koklut med hoeg sulfiditet
US1934655A (en) Treatment of residual liquors
NO150089B (no) Innretning til gjenvinning av natriumkjemikalier fra groennlut og roekgasser.
US2496550A (en) Methods of recovering chemicals in
US2789883A (en) Process for monosulfite recovery
US3133789A (en) Chemical recovery of waste liquors
NO144236B (no) Veske, saerlig skoleveske.
US2909407A (en) Method in the recovery of alkali and sulphur by carbonization of melt soda solutions obtained in the manufacture of cellulose
US1973557A (en) Production of pulp, etc.
US3402992A (en) Method for recovering chemicals from waste liquor obtained during the production of cellulose