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FI46536B - Saett och anordning foer aatervinning av svaveldioxid vid indunstning av sulfitavlut - Google Patents

Saett och anordning foer aatervinning av svaveldioxid vid indunstning av sulfitavlut

Info

Publication number
FI46536B
FI46536B FI3562/69A FI356269A FI46536B FI 46536 B FI46536 B FI 46536B FI 3562/69 A FI3562/69 A FI 3562/69A FI 356269 A FI356269 A FI 356269A FI 46536 B FI46536 B FI 46536B
Authority
FI
Finland
Prior art keywords
svaveldioxid
sulfitavlut
indunstning
aatervinning
anordination
Prior art date
Application number
FI3562/69A
Other languages
English (en)
Other versions
FI46536C (fi
Inventor
Per-Erik Andersson
Carl Arne Bergholm
Original Assignee
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 Svenska Cellulosa Ab filed Critical Svenska Cellulosa Ab
Publication of FI46536B publication Critical patent/FI46536B/fi
Application granted granted Critical
Publication of FI46536C publication Critical patent/FI46536C/fi

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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • 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
    • Y10S159/00—Concentrating evaporators
    • Y10S159/16—Vacuum
    • 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
    • Y10S159/00—Concentrating evaporators
    • Y10S159/22—Condensate flashing
    • 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
    • Y10S159/00—Concentrating evaporators
    • Y10S159/42—Seals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Regulation Of General Use Transformers (AREA)
FI3562/69A 1968-12-09 1969-12-08 Saett och anordning foer aotervinning av svaveldioxid vid indunstning av sulfitavlut FI46536C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16784/68A SE337363B (fi) 1968-12-09 1968-12-09

Publications (2)

Publication Number Publication Date
FI46536B true FI46536B (fi) 1973-01-02
FI46536C FI46536C (fi) 1980-02-08

Family

ID=20302747

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3562/69A FI46536C (fi) 1968-12-09 1969-12-08 Saett och anordning foer aotervinning av svaveldioxid vid indunstning av sulfitavlut

Country Status (5)

Country Link
US (1) US3675707A (fi)
DE (1) DE1961524A1 (fi)
FI (1) FI46536C (fi)
NO (1) NO130279B (fi)
SE (1) SE337363B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU496943B2 (en) * 1975-01-07 1978-11-16 Hooker Chemicals & Plastics Corp Forced circulation evaporator
DE2824010A1 (de) * 1978-06-01 1979-12-13 Metallgesellschaft Ag Verfahren zur aufkonzentrierung von verduennter phosphorsaeure
WO2021182045A1 (ja) * 2020-03-09 2021-09-16 昭和電工株式会社 二酸化硫黄混合物及びその製造方法並びに充填容器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385955A (en) * 1941-04-08 1945-10-02 George H Tomlinson Manufacture of sulphite pulp
US2874043A (en) * 1953-02-18 1959-02-17 Rosenblads Patenter Ab Methods for extracting heat and so2 from sulphite waste lye containing so2
US2896705A (en) * 1954-11-04 1959-07-28 Ramen Torsten Evaporation of liquids
US2941590A (en) * 1955-03-14 1960-06-21 Rosenblad Curt Fredrik Multiple evaporation methods
US2937499A (en) * 1956-03-09 1960-05-24 Inst Schienenfahrzeuge Liquid ring gaseous fluid displacing device
US2993753A (en) * 1957-01-08 1961-07-25 Jr Theron T Collins Sodium sulphite liquor recovery
US3032258A (en) * 1958-09-04 1962-05-01 Nash Engineering Co Vacuum pumps
US3153609A (en) * 1960-11-25 1964-10-20 Babcock & Wilcox Co Chemical recovery process
US3463216A (en) * 1967-12-21 1969-08-26 Dorr Oliver Inc Thermal self-sustaining system for spent pulping liquors

Also Published As

Publication number Publication date
NO130279B (fi) 1974-08-05
FI46536C (fi) 1980-02-08
SE337363B (fi) 1971-08-09
DE1961524A1 (de) 1970-06-18
US3675707A (en) 1972-07-11

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