FR1159573A - Blanchiment des pâtes de bois à température élevée - Google Patents

Blanchiment des pâtes de bois à température élevée

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
English (en)
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/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
    • D21C9/16—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 Blanchiment des pâtes de bois à température élevée Expired FR1159573A (fr)

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 (fr) 1958-06-30

Family

ID=21874739

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1159573D Expired FR1159573A (fr) 1954-11-19 1955-11-18 Blanchiment des pâtes de bois à température élevée
FR1153424D Expired FR1153424A (fr) 1954-11-19 1955-11-19 Procédé destiné à maintenir l'éclat des pâtes de bois blanchies et produits en résultant

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1153424D Expired FR1153424A (fr) 1954-11-19 1955-11-19 Procédé destiné à maintenir l'éclat des pâtes de bois blanchies et produits en résultant

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285530A1 (fr) * 1987-04-02 1988-10-05 Elf Atochem S.A. Procédé de blanchiment de pâtes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103121B (de) * 1958-02-10 1961-03-23 Mo Och Domsjoe Ab Verfahren zur Behandlung von Zellstoff mit Alkaliborhydriden
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 (sv) * 1994-07-20 1994-07-20 Kvaerner Pulping Tech Förfarande och anordning vid blekning med trycksatt peroxid

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 (ja) * 1952-02-02

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285530A1 (fr) * 1987-04-02 1988-10-05 Elf Atochem S.A. Procédé de blanchiment de pâtes
FR2613388A1 (fr) * 1987-04-02 1988-10-07 Atochem Procede de blanchiment de pates
AU606930B2 (en) * 1987-04-02 1991-02-21 Atochem Pulp bleaching process

Also Published As

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

Similar Documents

Publication Publication Date Title
FR1159573A (fr) Blanchiment des pâtes de bois à température élevée
FR1075547A (fr) Chaudière à bois
FR1095296A (fr) Perfectionnements à la construction des chaises en bois courbé
FR1134060A (fr) Machine à faire des copeaux de bois
CH325147A (fr) Thermocouple
FR1130036A (fr) Perfectionnements à des détecteurs de température
FR1111194A (fr) Transformateur à haute température
FR1105634A (fr) Procédé de blanchiment
FR1173118A (fr) Appareil sudatoire domestique transportable
FR1146367A (fr) Nouvelle scie à bois
FR1119817A (fr) Procédé de séchage du bois
FR1135097A (fr) Machine à déchiqueter des lamelles de bois ou matières similaires
FR1112076A (fr) Procédé de protection rationnelle des bois
FR1182818A (fr) Perfectionnements à la fabrication de la pâte de bois
FR1279106A (fr) Procédé de fabrication continue de pâte de bois
FR1219948A (fr) Perfectionnements apportés au procédé de blanchiment de la pâte à bois
FR1121844A (fr) Brûleur à pot
FR1117647A (fr) Appareil de séchage de produits céramiques
FR1173205A (fr) Procédé de séchage des pâtes alimentaires
FR1200054A (fr) Appareil à décolleter
FR1142508A (fr) Plaquette-séchoir démontable
FR1142247A (fr) Brûleur à mazout
FR1186201A (fr) Raboteuse à bois
AT186645B (de) Teilkammerkessel
FR1136325A (fr) Produits de protection du bois