FI63267B - Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys - Google Patents

Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys Download PDF

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Publication number
FI63267B
FI63267B FI803802A FI803802A FI63267B FI 63267 B FI63267 B FI 63267B FI 803802 A FI803802 A FI 803802A FI 803802 A FI803802 A FI 803802A FI 63267 B FI63267 B FI 63267B
Authority
FI
Finland
Prior art keywords
wood
hydrolysis
hydrolyzate
prehydrolysis
syrafoerhydrolys
Prior art date
Application number
FI803802A
Other languages
English (en)
Finnish (fi)
Other versions
FI803802L (fi
Inventor
Bengt Arhippainen
Elisa Haenninen
Tapani Marttala
Aarre Metsaevirta
Matti Nikula
Reino Panula
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI803802A priority Critical patent/FI63267B/fi
Priority to CA000391377A priority patent/CA1173602A/fr
Priority to SE8107247A priority patent/SE8107247L/
Priority to FR8122762A priority patent/FR2495654B1/fr
Priority to JP56196428A priority patent/JPS57121688A/ja
Publication of FI803802L publication Critical patent/FI803802L/fi
Application granted granted Critical
Publication of FI63267B publication Critical patent/FI63267B/fi

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
    • C13K1/00—Glucose; Glucose-containing syrups
    • C13K1/02—Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/32—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from hydrolysates of wood or straw
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Animal Husbandry (AREA)
  • Mycology (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Zoology (AREA)
  • Botany (AREA)
  • Biotechnology (AREA)
  • Food Science & Technology (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
FI803802A 1980-12-08 1980-12-08 Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys FI63267B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI803802A FI63267B (fi) 1980-12-08 1980-12-08 Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys
CA000391377A CA1173602A (fr) 1980-12-08 1981-12-02 Methode de production de pate speciale super-alpha par cuisson multi-etagee, y compris la prehydrolise en milieu acide
SE8107247A SE8107247L (sv) 1980-12-08 1981-12-03 Forfarande for framstellning av specialcellulosa med hog alfahalt genom syrehydrolys omfattande flerstegskokning
FR8122762A FR2495654B1 (fr) 1980-12-08 1981-12-04 Procede pour la fabrication de pates speciales a teneur elevee en a-cellulose, a stades de cuisson multiples, comprenant une prehydrolyse acide
JP56196428A JPS57121688A (en) 1980-12-08 1981-12-08 Production of special high alpha- cellulose pulp by multi-stage digestion containing acid prehydrolysate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI803802 1980-12-08
FI803802A FI63267B (fi) 1980-12-08 1980-12-08 Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys

Publications (2)

Publication Number Publication Date
FI803802L FI803802L (fi) 1982-06-09
FI63267B true FI63267B (fi) 1983-01-31

Family

ID=8513967

Family Applications (1)

Application Number Title Priority Date Filing Date
FI803802A FI63267B (fi) 1980-12-08 1980-12-08 Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys

Country Status (5)

Country Link
JP (1) JPS57121688A (fr)
CA (1) CA1173602A (fr)
FI (1) FI63267B (fr)
FR (1) FR2495654B1 (fr)
SE (1) SE8107247L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9068236B2 (en) 2008-10-21 2015-06-30 Dupont Nutrition Biosciences Aps Process of producing xylose and dissolving pulp

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
CN1099501C (zh) * 1999-09-21 2003-01-22 中国科学院广州化学研究所 一种桉树溶解浆粕的制浆方法
FI123036B (fi) 2006-02-10 2012-10-15 Metso Paper Inc Menetelmä hydrolyysituotteiden talteenottamiseksi
US9260818B2 (en) * 2007-05-23 2016-02-16 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
WO2017142445A1 (fr) * 2016-02-16 2017-08-24 Valmet Ab Procédé de récupération d'hydrolysat concentré après l'hydrolyse de matière de cellulose
SE1950402A1 (en) 2019-04-01 2020-10-02 Valmet Oy Method for extracting hemicellulose from lignocellulosic material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE442623A (fr) * 1939-12-13
SE389520B (sv) * 1973-09-03 1976-11-08 Kamyr Ab Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9068236B2 (en) 2008-10-21 2015-06-30 Dupont Nutrition Biosciences Aps Process of producing xylose and dissolving pulp

Also Published As

Publication number Publication date
CA1173602A (fr) 1984-09-04
JPS57121688A (en) 1982-07-29
SE8107247L (sv) 1982-06-09
FI803802L (fi) 1982-06-09
FR2495654B1 (fr) 1986-07-04
FR2495654A1 (fr) 1982-06-11

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Owner name: A. AHLSTROEM OSAKEYHTIOE