ES301960A1 - Un procedimiento para blanquear materiales celulësicos en un medio acuoso - Google Patents

Un procedimiento para blanquear materiales celulësicos en un medio acuoso

Info

Publication number
ES301960A1
ES301960A1 ES0301960A ES301960A ES301960A1 ES 301960 A1 ES301960 A1 ES 301960A1 ES 0301960 A ES0301960 A ES 0301960A ES 301960 A ES301960 A ES 301960A ES 301960 A1 ES301960 A1 ES 301960A1
Authority
ES
Spain
Prior art keywords
pulp
minutes
weight
chlorine dioxide
chlorine
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES0301960A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A & W Overseas Dev Ltd
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
Publication of ES301960A1 publication Critical patent/ES301960A1/es
Expired legal-status Critical Current

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)
ES0301960A 1963-07-12 1964-07-11 Un procedimiento para blanquear materiales celulësicos en un medio acuoso Expired ES301960A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES301960A1 true ES301960A1 (es) 1965-01-16

Family

ID=4141767

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0301960A Expired ES301960A1 (es) 1963-07-12 1964-07-11 Un procedimiento para blanquear materiales celulësicos en un medio acuoso

Country Status (12)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334286B (es) * 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 (es) * 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 (es) * 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
AU5317700A (en) * 1999-06-08 2000-12-28 Eastern Pulp And Paper Corporation Bleaching pulp with high-pressure O2

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
BE518419A (es) * 1952-03-26
CH315608A (fr) * 1952-03-26 1956-08-31 Electro Chimie Metal Procédé de blanchiment de pâtes de cellulose au sulfite ou au sulfate
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
FR1407286A (fr) 1965-07-30
NL6407863A (es) 1965-01-13
OA00199A (fr) 1966-03-15
DE1546226B1 (de) 1970-11-26
SE301583B (es) 1968-06-10
AT265008B (de) 1968-09-25
FI43808C (fi) 1977-09-27
FI43808B (es) 1971-03-01
GB1007697A (en) 1965-10-22
JPS5235761B1 (es) 1977-09-10
NL134770C (es)
CH486596A (de) 1970-02-28
US3536577A (en) 1970-10-27

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