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 (en:Method)
AT (1) AT330568B (en:Method)
BR (1) BR7301663D0 (en:Method)
CA (1) CA987312A (en:Method)
CH (1) CH552716A (en:Method)
DE (1) DE2310547C3 (en:Method)
FR (1) FR2174949B1 (en:Method)
GB (1) GB1386541A (en:Method)
SE (1) SE386216B (en:Method)

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
EP2370627A4 (en) * 2008-12-08 2013-09-18 Fpinnovations INCREASING THE INCOME OF ALKALIC ENCLOSURE FOR NEEDLE WOOD WITH METALLIONS
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
DE2310547A1 (de) 1973-09-20
CH552716A (fr) 1974-08-15
FR2174949B1 (en:Method) 1975-10-31
DE2310547C3 (de) 1975-09-11
CA987312A (en) 1976-04-13
US3932207A (en) 1976-01-13
DE2310547B2 (de) 1975-02-06
GB1386541A (en) 1975-03-05
BR7301663D0 (pt) 1974-05-16
ATA193373A (de) 1975-09-15
FR2174949A1 (en:Method) 1973-10-19
AT330568B (de) 1976-07-12

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