AT265008B - Verfahren zum Bleichen von cellulosehaltigen Materialien - Google Patents

Verfahren zum Bleichen von cellulosehaltigen Materialien

Info

Publication number
AT265008B
AT265008B AT597864A AT597864A AT265008B AT 265008 B AT265008 B AT 265008B AT 597864 A AT597864 A AT 597864A AT 597864 A AT597864 A AT 597864A AT 265008 B AT265008 B AT 265008B
Authority
AT
Austria
Prior art keywords
containing materials
bleaching cellulose
bleaching
cellulose
materials
Prior art date
Application number
AT597864A
Other languages
English (en)
Original Assignee
A & W Overseas Dev 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 A & W Overseas Dev Ltd filed Critical A & W Overseas Dev Ltd
Application granted granted Critical
Publication of AT265008B publication Critical patent/AT265008B/de

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
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT597864A 1963-07-12 1964-07-10 Verfahren zum Bleichen von cellulosehaltigen Materialien AT265008B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA879968 1963-07-12

Publications (1)

Publication Number Publication Date
AT265008B true AT265008B (de) 1968-09-25

Family

ID=4141767

Family Applications (1)

Application Number Title Priority Date Filing Date
AT597864A AT265008B (de) 1963-07-12 1964-07-10 Verfahren zum Bleichen von cellulosehaltigen Materialien

Country Status (12)

Country Link
US (1) US3536577A (de)
JP (1) JPS5235761B1 (de)
AT (1) AT265008B (de)
CH (1) CH486596A (de)
DE (1) DE1546226B1 (de)
ES (1) ES301960A1 (de)
FI (1) FI43808C (de)
FR (1) FR1407286A (de)
GB (1) GB1007697A (de)
NL (2) NL6407863A (de)
OA (1) OA00199A (de)
SE (1) SE301583B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334286B (de) * 1968-12-05 1971-04-19 Mo Och Domsjoe Ab
SE391750B (sv) * 1974-03-21 1977-02-28 Kamyr Ab Sett att i ett kerl kontinuerligt behandla cellulosamassa med klor
JPS5422857U (de) * 1977-07-14 1979-02-15
US4325783A (en) * 1978-03-30 1982-04-20 Erco Industries Limited Bleaching procedure using chlorine dioxide and chlorine solutions
JPS5542838U (de) * 1978-09-13 1980-03-19
US4299653A (en) * 1979-04-16 1981-11-10 Erco Industries Limited Method of bleaching pulp with an aqueous solution of chlorine dioxide and chlorine followed by a chlorine solution
EP1244840A4 (de) * 1999-06-08 2003-04-16 Eastern Pulp And Paper Corp Sauerstoff-hochdruck-bleichung einer pulpe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494542A (en) * 1946-05-02 1950-01-17 Niagara Alkali Company Method of bleaching pulp
GB751854A (en) * 1952-03-26 1956-07-04 Tennants Cons Ltd Improvements relating to the bleaching of cellulose pulps
BE518419A (de) * 1952-03-26
US3020196A (en) * 1960-08-05 1962-02-06 Allied Chem Production of high brightness high strength wood pulps

Also Published As

Publication number Publication date
CH486596A (de) 1970-02-28
FR1407286A (fr) 1965-07-30
SE301583B (de) 1968-06-10
FI43808C (fi) 1977-09-27
NL134770C (de)
GB1007697A (en) 1965-10-22
NL6407863A (de) 1965-01-13
US3536577A (en) 1970-10-27
JPS5235761B1 (de) 1977-09-10
DE1546226B1 (de) 1970-11-26
ES301960A1 (es) 1965-01-16
FI43808B (de) 1971-03-01
OA00199A (fr) 1966-03-15

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