SE386216B - Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterial - Google Patents

Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterial

Info

Publication number
SE386216B
SE386216B SE7303032A SE7303032A SE386216B SE 386216 B SE386216 B SE 386216B SE 7303032 A SE7303032 A SE 7303032A SE 7303032 A SE7303032 A SE 7303032A SE 386216 B SE386216 B SE 386216B
Authority
SE
Sweden
Prior art keywords
cellulosa
masses
procedure
preparation
containing base
Prior art date
Application number
SE7303032A
Other languages
English (en)
Swedish (sv)
Inventor
A Fogarassy
Original Assignee
Promotion Et D Exploit Ind De
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 Exploit Ind De filed Critical Promotion Et D Exploit Ind De
Publication of SE386216B publication Critical patent/SE386216B/xx

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
SE7303032A 1972-03-06 1973-03-06 Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterial SE386216B (sv)

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
SE386216B true SE386216B (sv) 1976-08-02

Family

ID=4251528

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7303032A SE386216B (sv) 1972-03-06 1973-03-06 Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterial

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
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
CA987312A (en) 1976-04-13

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