CA977505A - Process for producing cellulose pulp - Google Patents

Process for producing cellulose pulp

Info

Publication number
CA977505A
CA977505A CA093,735A CA93735A CA977505A CA 977505 A CA977505 A CA 977505A CA 93735 A CA93735 A CA 93735A CA 977505 A CA977505 A CA 977505A
Authority
CA
Canada
Prior art keywords
cellulose pulp
producing cellulose
producing
pulp
cellulose
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
CA093,735A
Inventor
Andre Fogarassy
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.)
Generale De Brevets Industriels Et Chimiques Sa Ste
Original Assignee
Generale De Brevets Industriels Et Chimiques Sa Ste
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 Generale De Brevets Industriels Et Chimiques Sa Ste filed Critical Generale De Brevets Industriels Et Chimiques Sa Ste
Application granted granted Critical
Publication of CA977505A publication Critical patent/CA977505A/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
CA093,735A 1969-09-26 1970-09-22 Process for producing cellulose pulp Expired CA977505A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1452269A CH498244A (en) 1969-09-26 1969-09-26 Cellulose pulp manufacturing process
CH1819769A CH512635A (en) 1969-09-26 1969-12-05 Cellulose pulp manufacturing process
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
CA977505A true CA977505A (en) 1975-11-11

Family

ID=27429570

Family Applications (1)

Application Number Title Priority Date Filing Date
CA093,735A Expired CA977505A (en) 1969-09-26 1970-09-22 Process for producing cellulose pulp

Country Status (9)

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

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
EP0472820B1 (en) * 1990-08-17 1997-10-29 Alcell Technologies Inc. Continuous solvent pulping process
JP7104507B2 (en) * 2017-11-08 2022-07-21 アースリサイクル株式会社 Cellulose separation method
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 (en) * 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
CH498244A (en) 1970-10-31
US3887426A (en) 1975-06-03
DE2046944A1 (en) 1971-04-15
CH512635A (en) 1971-09-15
BE756225A (en) 1971-03-01
FR2063171A1 (en) 1971-07-09
FR2063171B1 (en) 1973-01-12
LU61717A1 (en) 1971-01-18
AT300544B (en) 1972-07-25
GB1328674A (en) 1973-08-30

Similar Documents

Publication Publication Date Title
AU462469B2 (en) A process for bleaching cellulose pulp
CA928006A (en) Dissolving pulp and process for manufacture thereof
CA1026695A (en) Method for producing cellulose pulp
CA975508A (en) Process for bleaching cellulose
ZA712744B (en) Process for the production of cellulose pulp
CA985462A (en) Process for sizing cellulose fibers
CA977505A (en) Process for producing cellulose pulp
CA925657A (en) Process for treating pulp
CA864409A (en) Pulp bleaching process
CA786225A (en) Cellulose solution and process for producing it
CA956755A (en) Process for modifying cellulosic fibres
CA815945A (en) Process for producing paper-making pulp
AU463585B2 (en) Process for manufacturing cellulose pulp
CA826107A (en) Papermaking process
AU2040470A (en) Process for manufacturing cellulose pulp
CA826650A (en) Process for producing trimethylsilylated cellulose
AU405993B2 (en) Process for making paper pulp
CA826649A (en) Process for producing soluble trimethylsilylated cellulose
ZA706470B (en) Process for manufacturing cellulose pulp
AU5274269A (en) Process for making paper pulp
CA854073A (en) Process for making pulp
AU427428B2 (en) Process for making pulp
CA821528A (en) Process for producing polysaccharides
CA822000A (en) Kraft pulping process
CA813771A (en) Paper and viscose pulps and process for producing same