CA1173602A - Methode de production de pate speciale super-alpha par cuisson multi-etagee, y compris la prehydrolise en milieu acide - Google Patents

Methode de production de pate speciale super-alpha par cuisson multi-etagee, y compris la prehydrolise en milieu acide

Info

Publication number
CA1173602A
CA1173602A CA000391377A CA391377A CA1173602A CA 1173602 A CA1173602 A CA 1173602A CA 000391377 A CA000391377 A CA 000391377A CA 391377 A CA391377 A CA 391377A CA 1173602 A CA1173602 A CA 1173602A
Authority
CA
Canada
Prior art keywords
wood
hydrolysate
cook
dry matter
recited
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000391377A
Other languages
English (en)
Inventor
Bengt Arhippainen
Elisa Hanninen
Aarre Metsavirta
Tapani Marttala
Reino Panula
Matti Nikula
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ahlstrom Corp
Original Assignee
Ahlstrom Corp
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 Ahlstrom Corp filed Critical Ahlstrom Corp
Application granted granted Critical
Publication of CA1173602A publication Critical patent/CA1173602A/fr
Expired legal-status Critical Current

Links

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)
CA000391377A 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 Expired CA1173602A (fr)

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 (1)

Publication Number Publication Date
CA1173602A true CA1173602A (fr) 1984-09-04

Family

ID=8513967

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000391377A Expired 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

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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010046532A1 (fr) 2008-10-21 2010-04-29 Danisco A/S Procédé de production de xylose et de pâte pour transformation chimique
US8262854B2 (en) 2006-02-10 2012-09-11 Metso Paper, Inc. Method for recovering hydrolysis products
WO2017142445A1 (fr) * 2016-02-16 2017-08-24 Valmet Ab Procédé de récupération d'hydrolysat concentré après l'hydrolyse de matière de cellulose
WO2020204793A1 (fr) 2019-04-01 2020-10-08 Valmet Ab Procédé d'extraction d'hémicellulose d'une matière lignocellulosique

Families Citing this family (3)

* 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
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

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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8262854B2 (en) 2006-02-10 2012-09-11 Metso Paper, Inc. Method for recovering hydrolysis products
WO2010046532A1 (fr) 2008-10-21 2010-04-29 Danisco A/S Procédé de production de xylose et de pâte pour transformation chimique
WO2017142445A1 (fr) * 2016-02-16 2017-08-24 Valmet Ab Procédé de récupération d'hydrolysat concentré après l'hydrolyse de matière de cellulose
CN108699768A (zh) * 2016-02-16 2018-10-23 维美德公司 用于在纤维素材料水解后回收浓缩水解产物的方法
EP3417102A4 (fr) * 2016-02-16 2019-10-30 Valmet AB Procédé de récupération d'hydrolysat concentré après l'hydrolyse de matière de cellulose
CN108699768B (zh) * 2016-02-16 2020-10-27 维美德公司 用于在纤维素材料水解后回收浓缩水解产物的方法
US10947669B2 (en) 2016-02-16 2021-03-16 Valmet Ab Method for recovering concentrated hydrolysate after hydrolysis of cellulose material
WO2020204793A1 (fr) 2019-04-01 2020-10-08 Valmet Ab Procédé d'extraction d'hémicellulose d'une matière lignocellulosique
EP3947809A4 (fr) * 2019-04-01 2023-01-04 Valmet Ab Procédé d'extraction d'hémicellulose d'une matière lignocellulosique

Also Published As

Publication number Publication date
FR2495654B1 (fr) 1986-07-04
FI803802L (fi) 1982-06-09
FI63267B (fi) 1983-01-31
JPS57121688A (en) 1982-07-29
SE8107247L (sv) 1982-06-09
FR2495654A1 (fr) 1982-06-11

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry