FR751230A - Continuous bleaching process and apparatus for its implementation - Google Patents

Continuous bleaching process and apparatus for its implementation

Info

Publication number
FR751230A
FR751230A FR751230DA FR751230A FR 751230 A FR751230 A FR 751230A FR 751230D A FR751230D A FR 751230DA FR 751230 A FR751230 A FR 751230A
Authority
FR
France
Prior art keywords
implementation
bleaching process
continuous bleaching
continuous
bleaching
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
Other languages
French (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
Application granted granted Critical
Publication of FR751230A publication Critical patent/FR751230A/en
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
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
FR751230D 1932-03-14 1933-02-22 Continuous bleaching process and apparatus for its implementation Expired FR751230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US598582A US2089992A (en) 1932-03-14 1932-03-14 Continuous bleaching process and apparatus

Publications (1)

Publication Number Publication Date
FR751230A true FR751230A (en) 1933-08-29

Family

ID=24396138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR751230D Expired FR751230A (en) 1932-03-14 1933-02-22 Continuous bleaching process and apparatus for its implementation

Country Status (4)

Country Link
US (1) US2089992A (en)
DE (1) DE627360C (en)
FR (1) FR751230A (en)
GB (1) GB418133A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525973A (en) * 1946-11-19 1950-10-17 Allied Chem & Dye Corp Apparatus for feeding solid material
US2607680A (en) * 1947-02-17 1952-08-19 Buckeye Cotton Oil Company Apparatus and method for processing vegetable fibers
US2562882A (en) * 1948-08-26 1951-08-07 Sharples Chemicals Inc Chlorination of cellulose
US2730426A (en) * 1951-06-20 1956-01-10 Cellulose Dev Corp Ltd Treating vegetable fibrous material with chlorine gas
US2906417A (en) * 1951-09-22 1959-09-29 Rossi Giovanni Material conveying device
US2863575A (en) * 1952-12-31 1958-12-09 Samuel H Vasold Storage hoppers
US2893909A (en) * 1954-06-09 1959-07-07 Bauer Bros Co Combined digestion and refining of paper pulp
US2772864A (en) * 1954-12-08 1956-12-04 John P Rich Method and apparatus for evacuating pulp from high density storage towers
DE1080848B (en) * 1958-02-06 1960-04-28 Escher Wyss Gmbh Device for the continuous digestion of fibrous vegetable substances in the pulp industry
DE1095244B (en) * 1958-10-21 1960-12-22 Walther Klatt Packing and pressing device for dyeing loose fiber material
US3044541A (en) * 1959-09-26 1962-07-17 Sugasawa Masao Continuous digesting and extracting apparatus
US3182966A (en) * 1960-04-06 1965-05-11 Carlsson Ake Simon Method and means for equalizing quality fluctuations in manufacture of fibre mass
DE1288900B (en) * 1960-05-09 1969-02-06 Improved Machinery Inc Container for the treatment of crushed cellulosic solids
US3313678A (en) * 1962-02-14 1967-04-11 Svenska Cellulose Aktiebolaget Bleaching of cellulose pulp in towers in completely filled and closed system
CH414514A (en) * 1962-11-12 1966-06-15 Establishment For Automation Device for steaming loose material, especially textile fibers
CH412766A (en) * 1962-12-15 1966-05-15 Establishment For Automation Device for steaming, in particular textile goods
US3293675A (en) * 1965-02-02 1966-12-27 Butte Knitting Mills Apparatus and method for dyeing and aging textile materials
AT271363B (en) * 1967-03-31 1969-05-27 Vyzk Ustav Zuslechtovaci Method for treating textile fibers with an aerosol
JPS5035154B1 (en) * 1970-01-10 1975-11-13
US3729290A (en) * 1971-10-04 1973-04-24 P Dillies Process and apparatus for the treatment of loose materials such as textile fibers
US4869783A (en) * 1986-07-09 1989-09-26 The Mead Corporation High-yield chemical pulping
WO1996005365A1 (en) * 1994-08-11 1996-02-22 Beloit Technologies, Inc. Means for gas-sealingly conveying shredded pulp
FI112957B (en) * 1999-07-21 2004-02-13 Metso Paper Pori Oy Method and apparatus for washing pulp

Also Published As

Publication number Publication date
DE627360C (en) 1936-03-13
GB418133A (en) 1934-10-16
US2089992A (en) 1937-08-17

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