CA1295095C - Process for the production of a hemicellulose hydrolysate and special pulp - Google Patents

Process for the production of a hemicellulose hydrolysate and special pulp

Info

Publication number
CA1295095C
CA1295095C CA000564311A CA564311A CA1295095C CA 1295095 C CA1295095 C CA 1295095C CA 000564311 A CA000564311 A CA 000564311A CA 564311 A CA564311 A CA 564311A CA 1295095 C CA1295095 C CA 1295095C
Authority
CA
Canada
Prior art keywords
cooking
prehydrolysis
wood
lignin
carried out
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 - Lifetime
Application number
CA000564311A
Other languages
English (en)
French (fr)
Inventor
Panu Tikka
Nils Erik Virkola
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.)
SCITECH SERVICES Inc
Original Assignee
SCITECH SERVICES Inc
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 SCITECH SERVICES Inc filed Critical SCITECH SERVICES Inc
Application granted granted Critical
Publication of CA1295095C publication Critical patent/CA1295095C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Amplifiers (AREA)
CA000564311A 1987-04-21 1988-04-15 Process for the production of a hemicellulose hydrolysate and special pulp Expired - Lifetime CA1295095C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI871730A FI79564C (fi) 1987-04-21 1987-04-21 Foerfarande foer framstaellning av hemicellulosahydrolysat och specialmassa.
FI871730 1987-04-21

Publications (1)

Publication Number Publication Date
CA1295095C true CA1295095C (en) 1992-02-04

Family

ID=8524351

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000564311A Expired - Lifetime CA1295095C (en) 1987-04-21 1988-04-15 Process for the production of a hemicellulose hydrolysate and special pulp

Country Status (8)

Country Link
EP (1) EP0287960B1 (fi)
AT (1) ATE111986T1 (fi)
BR (1) BR8801894A (fi)
CA (1) CA1295095C (fi)
DE (1) DE3851565T2 (fi)
ES (1) ES2062995T3 (fi)
FI (1) FI79564C (fi)
RU (1) RU1799408C (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10064131C2 (de) * 2000-12-22 2003-03-27 Sca Hygiene Prod Gmbh Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte
EP2067793B2 (en) * 2007-11-27 2014-05-21 Innventia AB Utilization of a wood hydrolysate
FI129760B (fi) 2020-07-06 2022-08-15 Amppc Finland Oy Suurisaantoinen keittomenetelmä

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532597A (en) * 1969-03-11 1970-10-06 Uddeholms Ab Preparation of dissolving pulps from wood by hydrolysis and alkaline sulfite digestion
ZA773044B (en) 1976-06-02 1978-04-26 Australian Paper Manufacturers Improvements in pulping processes
DE2628971A1 (de) * 1976-06-28 1978-01-05 Waldhof Aschaffenburg Papier Verfahren zur herstellung von zellstoff in verbindung mit der gewinnung von holzzuckern
CA1216105A (en) * 1984-04-06 1987-01-06 C-I-L Inc. Pulping process

Also Published As

Publication number Publication date
EP0287960B1 (en) 1994-09-21
ES2062995T3 (es) 1995-01-01
FI79564C (fi) 1990-01-10
RU1799408C (ru) 1993-02-28
EP0287960A3 (en) 1991-04-17
ATE111986T1 (de) 1994-10-15
FI79564B (fi) 1989-09-29
FI871730A (fi) 1988-10-22
DE3851565D1 (de) 1994-10-27
FI871730A0 (fi) 1987-04-21
BR8801894A (pt) 1988-11-22
EP0287960A2 (en) 1988-10-26
DE3851565T2 (de) 1995-01-26

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Legal Events

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