AT330568B - Verfahren zur herstellung von cellulose aus lignocellulose-ausgangsstoffen - Google Patents

Verfahren zur herstellung von cellulose aus lignocellulose-ausgangsstoffen

Info

Publication number
AT330568B
AT330568B AT193373A AT193373A AT330568B AT 330568 B AT330568 B AT 330568B AT 193373 A AT193373 A AT 193373A AT 193373 A AT193373 A AT 193373A AT 330568 B AT330568 B AT 330568B
Authority
AT
Austria
Prior art keywords
starting materials
producing cellulose
lignocellulose starting
lignocellulose
cellulose
Prior art date
Application number
AT193373A
Other languages
English (en)
Other versions
ATA193373A (de
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 ATA193373A publication Critical patent/ATA193373A/de
Application granted granted Critical
Publication of AT330568B publication Critical patent/AT330568B/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
AT193373A 1972-03-06 1973-03-05 Verfahren zur herstellung von cellulose aus lignocellulose-ausgangsstoffen AT330568B (de)

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 (2)

Publication Number Publication Date
ATA193373A ATA193373A (de) 1975-09-15
AT330568B true AT330568B (de) 1976-07-12

Family

ID=4251528

Family Applications (1)

Application Number Title Priority Date Filing Date
AT193373A AT330568B (de) 1972-03-06 1973-03-05 Verfahren zur herstellung von cellulose aus lignocellulose-ausgangsstoffen

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 (9)

* 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
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
WO2010066026A1 (en) * 2008-12-08 2010-06-17 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
GB416416A (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
DE2310547B2 (de) 1975-02-06
GB1386541A (en) 1975-03-05
US3932207A (en) 1976-01-13
DE2310547C3 (de) 1975-09-11
BR7301663D0 (pt) 1974-05-16
FR2174949B1 (de) 1975-10-31
ATA193373A (de) 1975-09-15
SE386216B (sv) 1976-08-02
CA987312A (en) 1976-04-13
CH552716A (fr) 1974-08-15
DE2310547A1 (de) 1973-09-20
FR2174949A1 (de) 1973-10-19

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification