FR1159573A - Bleaching of wood pulp at high temperature - Google Patents

Bleaching of wood pulp at high temperature

Info

Publication number
FR1159573A
FR1159573A FR1159573DA FR1159573A FR 1159573 A FR1159573 A FR 1159573A FR 1159573D A FR1159573D A FR 1159573DA FR 1159573 A FR1159573 A FR 1159573A
Authority
FR
France
Prior art keywords
bleaching
high temperature
wood pulp
pulp
wood
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.)
FMC Corp
Original Assignee
FMC Corp
Food Machinery and Chemical Corp
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 FMC Corp, Food Machinery and Chemical Corp filed Critical FMC Corp
Application granted granted Critical
Publication of FR1159573A publication Critical patent/FR1159573A/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • 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
    • D21C9/1047—Conserving the bleached pulp

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
FR1159573D 1954-11-19 1955-11-18 Bleaching of wood pulp at high temperature Expired FR1159573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US341706XA 1954-11-19 1954-11-19

Publications (1)

Publication Number Publication Date
FR1159573A true FR1159573A (en) 1958-06-30

Family

ID=21874739

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1159573D Expired FR1159573A (en) 1954-11-19 1955-11-18 Bleaching of wood pulp at high temperature
FR1153424D Expired FR1153424A (en) 1954-11-19 1955-11-19 Process for maintaining the luster of bleached wood pulps and resulting products

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1153424D Expired FR1153424A (en) 1954-11-19 1955-11-19 Process for maintaining the luster of bleached wood pulps and resulting products

Country Status (6)

Country Link
BE (1) BE542859A (en)
CH (2) CH348044A (en)
DE (2) DE1043789B (en)
FR (2) FR1159573A (en)
GB (2) GB785737A (en)
NL (1) NL202075A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285530A1 (en) * 1987-04-02 1988-10-05 Elf Atochem S.A. Process for bleaching pulps

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103121B (en) * 1958-02-10 1961-03-23 Mo Och Domsjoe Ab Process for the treatment of pulp with alkali borohydrides
FR2218376A1 (en) * 1973-02-16 1974-09-13 Air Liquide Suppression of mould and yellowing of paper pastes - by washing with hydrogen peroxide and sodium diethylene triamine pentacetate
SE9402542D0 (en) * 1994-07-20 1994-07-20 Kvaerner Pulping Tech Method and apparatus for bleaching with pressurized peroxide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029985A (en) * 1932-05-31 1936-02-04 Buffalo Electro Chem Co Method of bleaching
US2125634A (en) * 1937-03-29 1938-08-02 Oxford Paper Co Method of bleaching pulp or paper webs
US2150926A (en) * 1937-07-03 1939-03-21 Buffalo Electro Chem Co Process of making and bleaching paper
US2510595A (en) * 1946-09-20 1950-06-06 Buffalo Electro Chem Co Method of bleaching groundwood
GB671962A (en) * 1949-08-30 1952-05-14 Buffalo Electro Chem Co Process of bleaching wood pulp
US2692181A (en) * 1950-03-08 1954-10-19 Buffalo Electro Chem Co Treatment of unbleached sulfite pulp
US2661261A (en) * 1950-06-30 1953-12-01 Buffalo Electro Chem Co Method of superbleaching chemical pulp
BE517333A (en) * 1952-02-02

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285530A1 (en) * 1987-04-02 1988-10-05 Elf Atochem S.A. Process for bleaching pulps
FR2613388A1 (en) * 1987-04-02 1988-10-07 Atochem PROCESS FOR BLEACHING PASTA
AU606930B2 (en) * 1987-04-02 1991-02-21 Atochem Pulp bleaching process

Also Published As

Publication number Publication date
DE1043789B (en) 1958-11-13
GB785737A (en) 1957-11-06
CH341706A (en) 1959-10-15
GB791352A (en) 1958-02-26
DE1049222B (en) 1959-01-22
CH348044A (en) 1960-07-31
NL202075A (en)
BE542859A (en) 1959-09-11
FR1153424A (en) 1958-03-10

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