BE810468A - Procede ameliore de blanchiment de la pate a papier - Google Patents

Procede ameliore de blanchiment de la pate a papier

Info

Publication number
BE810468A
BE810468A BE140434A BE140434A BE810468A BE 810468 A BE810468 A BE 810468A BE 140434 A BE140434 A BE 140434A BE 140434 A BE140434 A BE 140434A BE 810468 A BE810468 A BE 810468A
Authority
BE
Belgium
Prior art keywords
paper pulp
improved process
bleaching paper
bleaching
improved
Prior art date
Application number
BE140434A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE810468A publication Critical patent/BE810468A/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
    • D21C9/1026—Other features in bleaching processes
BE140434A 1973-09-17 1974-01-31 Procede ameliore de blanchiment de la pate a papier BE810468A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US398165A US3884752A (en) 1973-09-17 1973-09-17 Single vessel wood pulp bleaching with chlorine dioxide followed by sodium hypochlorite or alkaline extraction

Publications (1)

Publication Number Publication Date
BE810468A true BE810468A (fr) 1974-07-31

Family

ID=23574252

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140434A BE810468A (fr) 1973-09-17 1974-01-31 Procede ameliore de blanchiment de la pate a papier

Country Status (12)

Country Link
US (1) US3884752A (pt)
JP (1) JPS5058302A (pt)
BE (1) BE810468A (pt)
BR (1) BR7407461D0 (pt)
CA (1) CA1019906A (pt)
DE (1) DE2407542A1 (pt)
FI (1) FI105174A (pt)
FR (1) FR2245817B1 (pt)
IT (1) IT1004819B (pt)
LU (1) LU69421A1 (pt)
NO (1) NO740054L (pt)
SE (1) SE408069B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432574A1 (fr) * 1978-08-01 1980-02-29 Europeen Cellulose Procede de blanchiment de pate a papier
US4543155A (en) * 1983-01-31 1985-09-24 The Boc Group, Inc. Method for bleaching wood pulp including dissolving oxygen into the dilution water of an extraction stage
JPS60244287A (ja) * 1984-05-21 1985-12-04 Res Assoc Petroleum Alternat Dev<Rapad> セルラ−ゼ生産用基質の製造法
JPS62106999U (pt) * 1985-12-21 1987-07-08
US4944842A (en) * 1987-03-26 1990-07-31 Kamyr, Inc. Method for reducing contamination in pulp processing
JPH076147B2 (ja) * 1988-12-16 1995-01-30 新王子製紙株式会社 リグノセルロース物質の漂白方法
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
FI122626B (fi) * 2006-03-31 2012-04-30 Laennen Tutkimus Western Res Inc Oy Kemiallisen massan valkaisumenetelmä
FR3062138B1 (fr) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031485A (en) * 1931-05-20 1936-02-18 Paper Patents Co Method of bleaching pulp
US2001268A (en) * 1932-09-21 1935-05-14 Hooker Electrochemical Co Pulp treating process
USRE23218E (en) * 1945-02-21 1950-04-11 Catalytic bleaching with chlorites
US2587064A (en) * 1949-03-09 1952-02-26 Int Paper Canada Method of bleaching wood pulp
US2558054A (en) * 1949-03-16 1951-06-26 Celanese Corp Purification of cellulosic materials
BE557828A (pt) * 1956-09-19
US3294624A (en) * 1962-01-24 1966-12-27 Ass Pulp & Paper Mills Bleaching treated wood chips
US3313678A (en) * 1962-02-14 1967-04-11 Svenska Cellulose Aktiebolaget Bleaching of cellulose pulp in towers in completely filled and closed system
US3433702A (en) * 1965-06-28 1969-03-18 Hooker Chemical Corp Woodpulp bleaching process
US3630828A (en) * 1968-05-13 1971-12-28 Pulp Paper Res Inst Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp
US3501374A (en) * 1968-12-26 1970-03-17 Hooker Chemical Corp Sequential bleaching of kraft pulp with chlorine dioxide and chlorine
US3595743A (en) * 1969-02-28 1971-07-27 Anglo Paper Prod Ltd Five stage woodpulp bleaching process
CA864409A (en) * 1969-04-14 1971-02-23 H. Andrews Douglas Pulp bleaching process

Also Published As

Publication number Publication date
NO740054L (pt) 1975-04-14
CA1019906A (en) 1977-11-01
LU69421A1 (pt) 1975-05-21
BR7407461D0 (pt) 1975-07-22
FR2245817B1 (pt) 1978-03-17
FI105174A (pt) 1975-03-18
JPS5058302A (pt) 1975-05-21
US3884752A (en) 1975-05-20
IT1004819B (it) 1976-07-20
DE2407542A1 (de) 1975-04-24
FR2245817A1 (pt) 1975-04-25
SE408069B (sv) 1979-05-14
SE7400192L (pt) 1975-03-18

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