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FI71781C - Kokning av lignocellulosa med vattenhaltig alkohol och jordalkalimetallsaltkatalysator. - Google Patents

Kokning av lignocellulosa med vattenhaltig alkohol och jordalkalimetallsaltkatalysator. Download PDF

Info

Publication number
FI71781C
FI71781C FI820927A FI820927A FI71781C FI 71781 C FI71781 C FI 71781C FI 820927 A FI820927 A FI 820927A FI 820927 A FI820927 A FI 820927A FI 71781 C FI71781 C FI 71781C
Authority
FI
Finland
Prior art keywords
cooking
acid
solution
temperature
concentration
Prior art date
Application number
FI820927A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI820927L (fi
FI71781B (fi
Inventor
Laszlo Paszner
Pei-Ching Chang
Original Assignee
Thermoform Bau Forschung
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 Thermoform Bau Forschung filed Critical Thermoform Bau Forschung
Publication of FI820927L publication Critical patent/FI820927L/fi
Publication of FI71781B publication Critical patent/FI71781B/fi
Application granted granted Critical
Publication of FI71781C publication Critical patent/FI71781C/fi

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

Landscapes

  • Paper (AREA)
FI820927A 1980-07-25 1982-03-17 Kokning av lignocellulosa med vattenhaltig alkohol och jordalkalimetallsaltkatalysator. FI71781C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA000359443A CA1150012A (fr) 1980-07-25 1980-07-25 Preparation de la pate de lignocellulose en milieu aqueux par catalyse aux solvants
CA359443 1980-07-25
EP8100105 1981-07-24
PCT/EP1981/000105 WO1982000483A1 (fr) 1980-07-25 1981-07-24 Production de pate de lignocellulose avec de l'alcool aqueux et un catalyseur d'un sel d'un metal alcalino-terreux

Publications (3)

Publication Number Publication Date
FI820927L FI820927L (fi) 1982-03-17
FI71781B FI71781B (fi) 1986-10-31
FI71781C true FI71781C (fi) 1987-02-09

Family

ID=4117790

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820927A FI71781C (fi) 1980-07-25 1982-03-17 Kokning av lignocellulosa med vattenhaltig alkohol och jordalkalimetallsaltkatalysator.

Country Status (8)

Country Link
EP (1) EP0056409B1 (fr)
JP (1) JPH0329917B2 (fr)
BR (1) BR8108706A (fr)
CA (1) CA1150012A (fr)
DE (1) DE3177195D1 (fr)
FI (1) FI71781C (fr)
RU (1) RU1830091C (fr)
WO (1) WO1982000483A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR227462A1 (es) * 1981-03-26 1982-10-29 Thermoform Bau Forschung Procedimiento mejorado para la produccion de hidrolizados de carbohidratos a partir de material celulosico triturado
US4699124A (en) * 1985-06-28 1987-10-13 Power Alcohol, Inc. Process for converting cellulose to glucose and other saccharides
DE69308831T2 (de) * 1992-04-06 1997-07-31 Ahlstroem Oy Verfahren zur zellstoffherstellung
CN101087749B (zh) 2004-12-23 2010-06-09 国际壳牌研究有限公司 内酯或羧酸或具有γ-羰基的酯的加氢方法
US20070034345A1 (en) * 2005-06-15 2007-02-15 Leonardus Petrus Process for organosolv pulping and use of a gamma lactone in a solvent for organosolv pulping
JP5136984B2 (ja) * 2007-04-04 2013-02-06 独立行政法人産業技術総合研究所 糖の製造方法
US8580978B2 (en) 2009-08-07 2013-11-12 Shell Oil Company Process for preparing a hydroxyacid or hydroxyester

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416558A (en) * 1933-03-07 1934-09-07 Henry Dreyfus Improvements in the manufacture of cellulose from ligno-cellulosic materials
GB576785A (en) * 1942-03-11 1946-04-18 Henry Dreyfus Improvements in or relating to the manufacture of cellulose
CH386823A (de) * 1959-02-06 1965-01-15 Ceskoslovenska Akademie Ved Verfahren zur Gewinnung von nativem Lignin und Hemizellulose
CA1131415A (fr) * 1978-11-27 1982-09-14 Bau- Und Forschungsgesellschaft Thermoform A.G. Transformation en pate de la lignocellulose avec un melange aqueux d'un catalyseur et du methanol

Also Published As

Publication number Publication date
EP0056409A1 (fr) 1982-07-28
RU1830091C (ru) 1993-07-23
CA1150012A (fr) 1983-07-19
WO1982000483A1 (fr) 1982-02-18
BR8108706A (pt) 1982-06-01
JPH0329917B2 (fr) 1991-04-25
FI820927L (fi) 1982-03-17
FI71781B (fi) 1986-10-31
JPS57501239A (fr) 1982-07-15
EP0056409B1 (fr) 1990-06-27
DE3177195D1 (de) 1990-08-02

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Legal Events

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MM Patent lapsed

Owner name: BAU- UND FORSCHUNGSGESELLSCHAFT