AT300544B - Verfahren zur Herstellung von Cellulosepulpe - Google Patents

Verfahren zur Herstellung von Cellulosepulpe

Info

Publication number
AT300544B
AT300544B AT840870A AT840870A AT300544B AT 300544 B AT300544 B AT 300544B AT 840870 A AT840870 A AT 840870A AT 840870 A AT840870 A AT 840870A AT 300544 B AT300544 B AT 300544B
Authority
AT
Austria
Prior art keywords
production
cellulose pulp
pulp
cellulose
Prior art date
Application number
AT840870A
Other languages
English (en)
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
Application filed by Brev Ind Et Chimiques S A Soc filed Critical Brev Ind Et Chimiques S A Soc
Application granted granted Critical
Publication of AT300544B publication Critical patent/AT300544B/de

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
AT840870A 1969-09-26 1970-09-17 Verfahren zur Herstellung von Cellulosepulpe AT300544B (de)

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
AT300544B true AT300544B (de) 1972-07-25

Family

ID=27429570

Family Applications (1)

Application Number Title Priority Date Filing Date
AT840870A AT300544B (de) 1969-09-26 1970-09-17 Verfahren zur Herstellung von Cellulosepulpe

Country Status (9)

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

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 (en) * 1975-10-24 1980-06-10 Cp Associates Limited Solvent pulping process
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 (de) * 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 (de) 1973-01-12
CH512635A (fr) 1971-09-15
DE2046944A1 (de) 1971-04-15
LU61717A1 (de) 1971-01-18
FR2063171A1 (de) 1971-07-09
GB1328674A (en) 1973-08-30
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
ELJ Ceased due to non-payment of the annual fee