SE358679B - - Google Patents

Info

Publication number
SE358679B
SE358679B SE16324/68A SE1632468A SE358679B SE 358679 B SE358679 B SE 358679B SE 16324/68 A SE16324/68 A SE 16324/68A SE 1632468 A SE1632468 A SE 1632468A SE 358679 B SE358679 B SE 358679B
Authority
SE
Sweden
Application number
SE16324/68A
Inventor
D Clayton
Montigny R De
N Liebergott
Original Assignee
Pulp Paper Res Inst
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 Pulp Paper Res Inst filed Critical Pulp Paper Res Inst
Publication of SE358679B publication Critical patent/SE358679B/xx

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE16324/68A 1967-12-15 1968-11-29 SE358679B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA7696 1967-12-15

Publications (1)

Publication Number Publication Date
SE358679B true SE358679B (fi) 1973-08-06

Family

ID=4083942

Family Applications (1)

Application Number Title Priority Date Filing Date
SE16324/68A SE358679B (fi) 1967-12-15 1968-11-29

Country Status (4)

Country Link
US (1) US3617432A (fi)
CA (1) CA849982A (fi)
FI (1) FI53007B (fi)
SE (1) SE358679B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000861A1 (en) * 1978-03-31 1979-11-01 Modo Chemetics Ab A method of refining cellulose pulps

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI773597A (fi) * 1976-12-01 1978-06-02 New Zealand Dev Finance Foerfarande foer behandling av lignocellulosa-eller cellulosafibermassa sao att behandlingen fraemjar kroekning av massans fibrer och foerbaettrar papprets rivhaollfasthet
US20030150065A1 (en) * 1998-12-30 2003-08-14 Sheng-Hsin Hu Liquid ammonia explosion treatment of wood fibers
US8262850B2 (en) * 2003-09-23 2012-09-11 International Paper Company Chemical activation and refining of southern pine kraft fibers
PL3862485T3 (pl) 2005-05-02 2024-05-13 International Paper Company Materiały lignocelulozowe i wytworzone z nich produkty
CN116397456A (zh) 2017-03-21 2023-07-07 国际纸业公司 气味控制纸浆组合物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1890179A (en) * 1928-06-15 1932-12-06 Champion Fibre Company Preparing refined bleached pulp
US2186034A (en) * 1937-08-24 1940-01-09 Champion Paper & Fibre Co Pulp bleaching and refining process
CA752864A (en) * 1965-10-12 1967-02-14 Pulp And Paper Research Institute Of Canada Extraction of fibrous cellulosic material with ammonia following treatment with chlorine, chlorine dioxide or other reagents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000861A1 (en) * 1978-03-31 1979-11-01 Modo Chemetics Ab A method of refining cellulose pulps

Also Published As

Publication number Publication date
FI53007B (fi) 1977-09-30
CA849982A (en) 1970-08-25
US3617432A (en) 1971-11-02

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