FR2353673A1 - Cuisson alcaline et delignification des matieres cellulosiques - Google Patents

Cuisson alcaline et delignification des matieres cellulosiques

Info

Publication number
FR2353673A1
FR2353673A1 FR7716661A FR7716661A FR2353673A1 FR 2353673 A1 FR2353673 A1 FR 2353673A1 FR 7716661 A FR7716661 A FR 7716661A FR 7716661 A FR7716661 A FR 7716661A FR 2353673 A1 FR2353673 A1 FR 2353673A1
Authority
FR
France
Prior art keywords
delignification
zone
liquor
alkaline
shavings
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.)
Withdrawn
Application number
FR7716661A
Other languages
English (en)
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.)
Toyo Pulp Co Ltd
Original Assignee
Toyo Pulp Co Ltd
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 Toyo Pulp Co Ltd filed Critical Toyo Pulp Co Ltd
Publication of FR2353673A1 publication Critical patent/FR2353673A1/fr
Withdrawn legal-status Critical Current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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen

Landscapes

  • Paper (AREA)
FR7716661A 1976-06-01 1977-06-01 Cuisson alcaline et delignification des matieres cellulosiques Withdrawn FR2353673A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6399776A JPS52148201A (en) 1976-06-01 1976-06-01 Process for making alkali pulp and lignin separation

Publications (1)

Publication Number Publication Date
FR2353673A1 true FR2353673A1 (fr) 1977-12-30

Family

ID=13245403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7716661A Withdrawn FR2353673A1 (fr) 1976-06-01 1977-06-01 Cuisson alcaline et delignification des matieres cellulosiques

Country Status (6)

Country Link
JP (1) JPS52148201A (fr)
BR (1) BR7703560A (fr)
CA (1) CA1087354A (fr)
FI (1) FI771724A (fr)
FR (1) FR2353673A1 (fr)
SE (1) SE7706370L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156801A (en) * 1978-05-23 1979-12-11 Toyo Pulp Co Ltd Method and apparatus for producing alkali pulp
JPS57130737U (fr) * 1981-02-09 1982-08-14
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane
KR102607347B1 (ko) 2016-05-27 2023-11-27 파이브라테크 피티이. 엘티디 고 분자량 리그닌의 제조 방법 및 시스템

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1367435A (fr) * 1961-12-23 1964-07-24 Kamyr Ab Procédé de digestion continue, à deux phases, de la cellulose et appareil de digestion pour la mise en oeuvre de ce procédé
FR2256283A1 (en) * 1973-12-31 1975-07-25 Canadian Ind Delignification of lignocellulosic material for paper - with alkali metal hydroxide, oxygen and opt. alkali metal sulphide
JPS50112501A (fr) * 1974-02-18 1975-09-04
FR2276420A1 (fr) * 1974-06-24 1976-01-23 Centre Tech Ind Papier Procede pour la fabrication de pates chimiques, par delignification de copeaux de matieres ligno-cellulosiques par l'oxygene en milieu alcalin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449828A (en) * 1973-04-26 1976-09-15 Canadian Ind Oxygen pulping process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1367435A (fr) * 1961-12-23 1964-07-24 Kamyr Ab Procédé de digestion continue, à deux phases, de la cellulose et appareil de digestion pour la mise en oeuvre de ce procédé
FR2256283A1 (en) * 1973-12-31 1975-07-25 Canadian Ind Delignification of lignocellulosic material for paper - with alkali metal hydroxide, oxygen and opt. alkali metal sulphide
JPS50112501A (fr) * 1974-02-18 1975-09-04
FR2261371A1 (fr) * 1974-02-18 1975-09-12 Toyo Pulp Co Ltd
FR2276420A1 (fr) * 1974-06-24 1976-01-23 Centre Tech Ind Papier Procede pour la fabrication de pates chimiques, par delignification de copeaux de matieres ligno-cellulosiques par l'oxygene en milieu alcalin

Also Published As

Publication number Publication date
CA1087354A (fr) 1980-10-14
FI771724A (fr) 1977-12-02
BR7703560A (pt) 1978-12-19
SE7706370L (sv) 1977-12-02
JPS5325045B2 (fr) 1978-07-25
JPS52148201A (en) 1977-12-09

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Legal Events

Date Code Title Description
ST Notification of lapse