CA987312A - Process for obtaining cellulose from ligno-cellulosic raw materials - Google Patents

Process for obtaining cellulose from ligno-cellulosic raw materials

Info

Publication number
CA987312A
CA987312A CA165,238A CA165238A CA987312A CA 987312 A CA987312 A CA 987312A CA 165238 A CA165238 A CA 165238A CA 987312 A CA987312 A CA 987312A
Authority
CA
Canada
Prior art keywords
ligno
raw materials
cellulosic raw
obtaining cellulose
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
CA165,238A
Other languages
English (en)
Other versions
CA165238S (en
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.)
PROMOTION ET D'EXPLOITATION INDUSTRIELLES DE PROCEDES DE BREV ETS S A Ste
Original Assignee
PROMOTION ET D'EXPLOITATION INDUSTRIELLES DE PROCEDES DE BREV ETS S A 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 PROMOTION ET D'EXPLOITATION INDUSTRIELLES DE PROCEDES DE BREV ETS S A Ste filed Critical PROMOTION ET D'EXPLOITATION INDUSTRIELLES DE PROCEDES DE BREV ETS S A Ste
Application granted granted Critical
Publication of CA987312A publication Critical patent/CA987312A/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
CA165,238A 1972-03-06 1973-03-05 Process for obtaining cellulose from ligno-cellulosic raw materials Expired CA987312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH323372A CH552716A (fr) 1972-03-06 1972-03-06 Procede d'obtention de la cellulose a partir de matieres premieres ligno-cellulosiques.

Publications (1)

Publication Number Publication Date
CA987312A true CA987312A (en) 1976-04-13

Family

ID=4251528

Family Applications (1)

Application Number Title Priority Date Filing Date
CA165,238A Expired CA987312A (en) 1972-03-06 1973-03-05 Process for obtaining cellulose from ligno-cellulosic raw materials

Country Status (9)

Country Link
US (1) US3932207A (de)
AT (1) AT330568B (de)
BR (1) BR7301663D0 (de)
CA (1) CA987312A (de)
CH (1) CH552716A (de)
DE (1) DE2310547C3 (de)
FR (1) FR2174949B1 (de)
GB (1) GB1386541A (de)
SE (1) SE386216B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
US5730837A (en) * 1994-12-02 1998-03-24 Midwest Research Institute Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars
RU2189996C2 (ru) * 1997-11-04 2002-09-27 Дедини С/А. Администрасао е Партисипасоес Способ быстрого кислотного гидролиза лигноцеллюлозного материала и гидролизный реактор
WO2004106624A1 (en) * 2003-06-03 2004-12-09 Pacific Pulp Resources Inc. Method for producing pulp and lignin
US7771565B2 (en) * 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
GB0821419D0 (en) 2008-11-24 2008-12-31 Bio Sep Ltd Processing of biomass
US8591702B2 (en) 2008-12-08 2013-11-26 Fpinnovations Increasing alkaline pulping yield for softwood with metal ions
US10266852B2 (en) 2013-12-06 2019-04-23 Alliance For Sustainable Energy, Llc Lignin conversion to fuels, chemicals and materials
US10017792B2 (en) 2014-07-18 2018-07-10 Alliance For Sustainable Energy, Llc Biomass conversion to fuels and chemicals
US11136601B2 (en) 2018-08-02 2021-10-05 Alliance For Sustainable Energy, Llc Conversion of S-lignin compounds to useful intermediates

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1790838A (en) * 1931-02-03 of berlin
US1362723A (en) * 1917-03-26 1920-12-21 Marr Robert Athelstan Process of producing textile fibers
GB416558A (en) * 1933-03-07 1934-09-07 Henry Dreyfus Improvements in the manufacture of cellulose from ligno-cellulosic materials
US2068151A (en) * 1934-11-05 1937-01-19 Du Pont Paper manufacture
US2308564A (en) * 1938-05-13 1943-01-19 Ralph H Mckee Recovery of cellulose and lignin from wood
US2753309A (en) * 1951-10-27 1956-07-03 Pioneer Chemical Works Inc Defoaming agents
US3338943A (en) * 1963-05-13 1967-08-29 Dow Corning Aminoorganosiloxane-carboxyorganosiloxane copolymers
US3448002A (en) * 1964-06-20 1969-06-03 Domtar Ltd Pulping process

Also Published As

Publication number Publication date
FR2174949B1 (de) 1975-10-31
SE386216B (sv) 1976-08-02
DE2310547A1 (de) 1973-09-20
GB1386541A (en) 1975-03-05
CH552716A (fr) 1974-08-15
BR7301663D0 (pt) 1974-05-16
FR2174949A1 (de) 1973-10-19
AT330568B (de) 1976-07-12
ATA193373A (de) 1975-09-15
DE2310547C3 (de) 1975-09-11
DE2310547B2 (de) 1975-02-06
US3932207A (en) 1976-01-13

Similar Documents

Publication Publication Date Title
CA975508A (en) Process for bleaching cellulose
YU213374A (en) Process for obtaining microcristalline cellulose
CA946107A (en) Process for bleaching cellulose-containing materials
CA981495A (en) Cellulose digesting plant
CA987312A (en) Process for obtaining cellulose from ligno-cellulosic raw materials
CA1021097A (en) Process for preparing poly-ion-complexes
CA958023A (en) Process for methylenation
MY7800032A (en) Process for the production os levulose-bearing syrups
CA985490A (en) Process for carbonizing cellulosic material
CA978714A (en) Process for producing carbon from cellulosic material
CA994805A (en) Process for the production of formaldehyde
CA983956A (en) Process for preparing monoformyldiaminomaleonitrile
CA1029147A (en) Process for producing binders for weather-proof wood materials
CA967976A (en) Process for producing trimethyl-p-benzoquinone
CA987326A (en) Process for producing 2-acyl-5-nitrothiazoles
AU467691B2 (en) Process for preparing cedrenal
AU468374B2 (en) Process for producing modified phenolic fibers
CA928919A (en) Process for the production of fibrous materials
CA980047A (en) Process for preparing polythiodiglycol
CA872706A (en) Process for making pulp
CA871602A (en) Process for making pulp
CA990462A (en) Process for recovering pulp from vegetable raw materials
CA854073A (en) Process for making pulp
CA895498A (en) Process for producing spinnerettes
CA989115A (en) Pulping process