FR2245817A1 - - Google Patents

Info

Publication number
FR2245817A1
FR2245817A1 FR7402954A FR7402954A FR2245817A1 FR 2245817 A1 FR2245817 A1 FR 2245817A1 FR 7402954 A FR7402954 A FR 7402954A FR 7402954 A FR7402954 A FR 7402954A FR 2245817 A1 FR2245817 A1 FR 2245817A1
Authority
FR
France
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.)
Granted
Application number
FR7402954A
Other versions
FR2245817B1 (fr
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.)
International Paper Co
Original Assignee
International Paper Co
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 International Paper Co filed Critical International Paper Co
Publication of FR2245817A1 publication Critical patent/FR2245817A1/fr
Application granted granted Critical
Publication of FR2245817B1 publication Critical patent/FR2245817B1/fr
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
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR7402954A 1973-09-17 1974-01-29 Expired FR2245817B1 (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 (2)

Publication Number Publication Date
FR2245817A1 true FR2245817A1 (fr) 1975-04-25
FR2245817B1 FR2245817B1 (fr) 1978-03-17

Family

ID=23574252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402954A Expired FR2245817B1 (fr) 1973-09-17 1974-01-29

Country Status (12)

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

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 (fr) * 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 (fr) * 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 (fr) 1975-04-14
BR7407461D0 (pt) 1975-07-22
JPS5058302A (fr) 1975-05-21
CA1019906A (fr) 1977-11-01
FR2245817B1 (fr) 1978-03-17
DE2407542A1 (de) 1975-04-24
IT1004819B (it) 1976-07-20
US3884752A (en) 1975-05-20
SE408069B (sv) 1979-05-14
BE810468A (fr) 1974-07-31
SE7400192L (fr) 1975-03-18
LU69421A1 (fr) 1975-05-21
FI105174A (fr) 1975-03-18

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Legal Events

Date Code Title Description
ST Notification of lapse