CH512635A - Procédé de fabrication de pâte cellulosique - Google Patents

Procédé de fabrication de pâte cellulosique

Info

Publication number
CH512635A
CH512635A CH1819769A CH1819769A CH512635A CH 512635 A CH512635 A CH 512635A CH 1819769 A CH1819769 A CH 1819769A CH 1819769 A CH1819769 A CH 1819769A CH 512635 A CH512635 A CH 512635A
Authority
CH
Switzerland
Prior art keywords
manufacturing process
cellulose pulp
pulp manufacturing
cellulose
pulp
Prior art date
Application number
CH1819769A
Other languages
English (en)
Inventor
Fogarassy Andre
Original Assignee
Brev Ind Et Chimiques S A Soc
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
Priority to BE756225D priority Critical patent/BE756225A/fr
Priority to CH1452269A priority patent/CH498244A/fr
Application filed by Brev Ind Et Chimiques S A Soc filed Critical Brev Ind Et Chimiques S A Soc
Priority to CH1819769A priority patent/CH512635A/fr
Priority to ES383485A priority patent/ES383485A1/es
Priority to OA54037A priority patent/OA03488A/fr
Priority to AT840870A priority patent/AT300544B/de
Priority to LU61717D priority patent/LU61717A1/xx
Priority to CA093,735A priority patent/CA977505A/en
Priority to IE1231/70A priority patent/IE34548B1/xx
Priority to DE19702046944 priority patent/DE2046944A1/de
Priority to FR707034610A priority patent/FR2063171B1/fr
Priority to SE7013068A priority patent/SE387382B/xx
Priority to GB4588170A priority patent/GB1328674A/en
Priority to JP45083760A priority patent/JPS4935081B1/ja
Publication of CH512635A publication Critical patent/CH512635A/fr
Priority to US341508A priority patent/US3887426A/en
Priority to SE7504423A priority patent/SE7504423L/xx
Priority to DK436875A priority patent/DK436875A/da
Priority to FI760323A priority patent/FI760323A/fi
Priority to US05/772,954 priority patent/US4135967A/en

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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
CH1819769A 1969-09-26 1969-12-05 Procédé de fabrication de pâte cellulosique CH512635A (fr)

Priority Applications (19)

Application Number Priority Date Filing Date Title
BE756225D BE756225A (fr) 1969-09-26 Procede de fabrication de pate cellulosique
CH1452269A CH498244A (fr) 1969-09-26 1969-09-26 Procédé de fabrication de pâte cellulosique
CH1819769A CH512635A (fr) 1969-09-26 1969-12-05 Procédé de fabrication de pâte cellulosique
ES383485A ES383485A1 (es) 1969-09-26 1970-09-09 Procedimiento para la fabricacion de pasta celulosica.
OA54037A OA03488A (fr) 1969-09-26 1970-09-16 Procédé de fabrication de pâte cellulosique.
AT840870A AT300544B (de) 1969-09-26 1970-09-17 Verfahren zur Herstellung von Cellulosepulpe
LU61717D LU61717A1 (fr) 1969-09-26 1970-09-18
CA093,735A CA977505A (en) 1969-09-26 1970-09-22 Process for producing cellulose pulp
DE19702046944 DE2046944A1 (de) 1969-09-26 1970-09-23 Verfahren zur Herstellung von Cellulosepulpe
IE1231/70A IE34548B1 (en) 1969-09-26 1970-09-23 Manufacture of cellulose pulp
FR707034610A FR2063171B1 (fr) 1969-09-26 1970-09-24
SE7013068A SE387382B (sv) 1969-09-26 1970-09-25 Forfarande for framstellning av cellulosamassa genom uppslutning vid 100?72oc i en alkali- eller jordalkalimetallsaltlosning huvudsakligen i en alifatisk diol eller triol
GB4588170A GB1328674A (en) 1969-09-26 1970-09-25 Manufacture of cellulose pulp
JP45083760A JPS4935081B1 (fr) 1969-09-26 1970-09-25
US341508A US3887426A (en) 1969-09-26 1973-03-15 Process for producing cellulose pulp by digestion with a diol or triol solvent and an aniline or phenol salt
SE7504423A SE7504423L (fr) 1969-09-26 1975-04-16
DK436875A DK436875A (da) 1969-09-26 1975-09-29 Fremgangsmade til fremstilling af cellulosemasse
FI760323A FI760323A (fr) 1969-09-26 1976-02-11
US05/772,954 US4135967A (en) 1969-09-26 1977-02-28 Process for producing cellulose pulp by solid phase digestion

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1452269A CH498244A (fr) 1969-09-26 1969-09-26 Procédé de fabrication de pâte cellulosique
CH1819769A CH512635A (fr) 1969-09-26 1969-12-05 Procédé de fabrication de pâte cellulosique
US7467170A 1970-09-23 1970-09-23
US341508A US3887426A (en) 1969-09-26 1973-03-15 Process for producing cellulose pulp by digestion with a diol or triol solvent and an aniline or phenol salt

Publications (1)

Publication Number Publication Date
CH512635A true CH512635A (fr) 1971-09-15

Family

ID=27429570

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1452269A CH498244A (fr) 1969-09-26 1969-09-26 Procédé de fabrication de pâte cellulosique
CH1819769A CH512635A (fr) 1969-09-26 1969-12-05 Procédé de fabrication de pâte cellulosique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1452269A CH498244A (fr) 1969-09-26 1969-09-26 Procédé de fabrication de pâte cellulosique

Country Status (9)

Country Link
US (1) US3887426A (fr)
AT (1) AT300544B (fr)
BE (1) BE756225A (fr)
CA (1) CA977505A (fr)
CH (2) CH498244A (fr)
DE (1) DE2046944A1 (fr)
FR (1) FR2063171B1 (fr)
GB (1) GB1328674A (fr)
LU (1) LU61717A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135967A (en) * 1969-09-26 1979-01-23 Societe Generale De Brevets Industriels Et Ohimiques Process for producing cellulose pulp by solid phase digestion
US4017642A (en) * 1975-07-28 1977-04-12 George O. Orth Process of making food for ruminant animals from wood and/or woody products
CA1079008A (fr) * 1975-10-24 1980-06-10 Cp Associates Limited Procede de fabrication de pate a papier au solvant
US4594130A (en) * 1978-11-27 1986-06-10 Chang Pei Ching Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst
US4329200A (en) * 1980-06-02 1982-05-11 Board Of Reagents, University Of Washington Method and system for selective alkaline defiberization and delignification
DE69128059T2 (de) * 1990-08-17 1998-02-26 Alcell Tech Inc Verfahren zum Lösungsmittel-Stetigaufschluss
JP7104507B2 (ja) * 2017-11-08 2022-07-21 アースリサイクル株式会社 セルロースの分離方法
US20210230375A1 (en) * 2018-11-07 2021-07-29 Earthrecycle Co., Ltd. Method for separating cellulose

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE370781A (fr) * 1929-06-07
GB416416A (en) * 1933-03-07 1934-09-07 Henry Dreyfus Improvements in the manufacture of cellulose from ligno-cellulosic materials
US2772968A (en) * 1951-06-06 1956-12-04 Research Corp Process of pulping cellulosic materials with triethylene glycol
US2886483A (en) * 1953-05-27 1959-05-12 Rosenblads Patenter Ab Heating system for cellulose digestion plants
US3305432A (en) * 1963-07-15 1967-02-21 William R Matthews Making of cellulose pulp
US3255071A (en) * 1963-10-25 1966-06-07 Theodor N Kleinert Process for production of alkali cellulose in the absence of an aqueous liquid phase
US3428520A (en) * 1965-08-12 1969-02-18 Scott Paper Co Pulping process with lignin recovery
US3408268A (en) * 1966-10-27 1968-10-29 Jefferson Chem Co Inc Recovery of spent glycol by distillation in the presence of water

Also Published As

Publication number Publication date
FR2063171B1 (fr) 1973-01-12
DE2046944A1 (de) 1971-04-15
LU61717A1 (fr) 1971-01-18
FR2063171A1 (fr) 1971-07-09
GB1328674A (en) 1973-08-30
AT300544B (de) 1972-07-25
BE756225A (fr) 1971-03-01
US3887426A (en) 1975-06-03
CH498244A (fr) 1970-10-31
CA977505A (en) 1975-11-11

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Legal Events

Date Code Title Description
PLZ Patent of addition ceased