FR2495654B1 - Procede pour la fabrication de pates speciales a teneur elevee en a-cellulose, a stades de cuisson multiples, comprenant une prehydrolyse acide - Google Patents

Procede pour la fabrication de pates speciales a teneur elevee en a-cellulose, a stades de cuisson multiples, comprenant une prehydrolyse acide

Info

Publication number
FR2495654B1
FR2495654B1 FR8122762A FR8122762A FR2495654B1 FR 2495654 B1 FR2495654 B1 FR 2495654B1 FR 8122762 A FR8122762 A FR 8122762A FR 8122762 A FR8122762 A FR 8122762A FR 2495654 B1 FR2495654 B1 FR 2495654B1
Authority
FR
France
Prior art keywords
manufacture
cellulose content
multiple cooking
cooking stages
acid prehydrolysis
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
FR8122762A
Other languages
English (en)
Other versions
FR2495654A1 (fr
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
Publication of FR2495654A1 publication Critical patent/FR2495654A1/fr
Application granted granted Critical
Publication of FR2495654B1 publication Critical patent/FR2495654B1/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)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Botany (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Physiology (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Emergency Medicine (AREA)
  • Food Science & Technology (AREA)
  • Paper (AREA)
FR8122762A 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 Expired FR2495654B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2495654A1 FR2495654A1 (fr) 1982-06-11
FR2495654B1 true FR2495654B1 (fr) 1986-07-04

Family

ID=8513967

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122762A Expired 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

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)

Families Citing this family (7)

* 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
FI121237B (fi) 2008-10-21 2010-08-31 Danisco Menetelmä ksyloosin ja liukosellun tuottamiseksi
US10947669B2 (en) 2016-02-16 2021-03-16 Valmet Ab Method for recovering concentrated hydrolysate after hydrolysis of cellulose material
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

Also Published As

Publication number Publication date
JPS57121688A (en) 1982-07-29
FI63267B (fi) 1983-01-31
SE8107247L (sv) 1982-06-09
CA1173602A (fr) 1984-09-04
FR2495654A1 (fr) 1982-06-11
FI803802L (fi) 1982-06-09

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Legal Events

Date Code Title Description
ST Notification of lapse