NZ217001A - Delignification using acid and hydrogen peroxide - Google Patents

Delignification using acid and hydrogen peroxide

Info

Publication number
NZ217001A
NZ217001A NZ217001A NZ21700186A NZ217001A NZ 217001 A NZ217001 A NZ 217001A NZ 217001 A NZ217001 A NZ 217001A NZ 21700186 A NZ21700186 A NZ 21700186A NZ 217001 A NZ217001 A NZ 217001A
Authority
NZ
New Zealand
Prior art keywords
delignification
acid
cellulosic materials
hydrogen peroxide
treated
Prior art date
Application number
NZ217001A
Other languages
English (en)
Inventor
J S Gratzl
Original Assignee
Interox
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 Interox filed Critical Interox
Publication of NZ217001A publication Critical patent/NZ217001A/xx

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
    • D21C3/26—Multistage processes

Landscapes

  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • External Artificial Organs (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Materials For Medical Uses (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Dental Preparations (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
NZ217001A 1985-08-05 1986-07-28 Delignification using acid and hydrogen peroxide NZ217001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76272485A 1985-08-05 1985-08-05

Publications (1)

Publication Number Publication Date
NZ217001A true NZ217001A (en) 1989-01-27

Family

ID=25065878

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ217001A NZ217001A (en) 1985-08-05 1986-07-28 Delignification using acid and hydrogen peroxide

Country Status (14)

Country Link
EP (1) EP0213376B1 (es)
JP (1) JPH0742669B2 (es)
AT (1) ATE57401T1 (es)
AU (1) AU591508B2 (es)
BR (1) BR8603671A (es)
CA (1) CA1282911C (es)
DE (1) DE3674866D1 (es)
ES (1) ES2000831A6 (es)
FI (1) FI85725C (es)
IN (1) IN167959B (es)
NO (1) NO168375C (es)
NZ (1) NZ217001A (es)
PT (1) PT83117B (es)
YU (1) YU45352B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591509B2 (en) * 1985-08-05 1989-12-07 Interox Societe Anonyme Process for the delignification of cellulosic substances
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
CA2687581C (en) * 2007-05-23 2015-04-21 Alberta Research Council Inc. Method to remove hemicellulose from cellulosic fibres using a solution of ammonia and hydrogen peroxide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE873649C (de) * 1944-08-25 1953-04-16 Degussa Verfahren zur Herstellung von ungebleichten Zellstoffen mit hohem Weissgehalt
SE373896B (es) * 1972-07-05 1975-02-17 Mo Och Domsjoe Ab
SE380298B (sv) * 1974-03-14 1975-11-03 Mo Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments
AU591509B2 (en) * 1985-08-05 1989-12-07 Interox Societe Anonyme Process for the delignification of cellulosic substances

Also Published As

Publication number Publication date
FI863193A0 (fi) 1986-08-05
YU137086A (en) 1987-10-31
JPH0742669B2 (ja) 1995-05-10
NO863132D0 (no) 1986-08-04
ATE57401T1 (de) 1990-10-15
EP0213376A1 (fr) 1987-03-11
BR8603671A (pt) 1987-03-10
IN167959B (es) 1991-01-12
AU591508B2 (en) 1989-12-07
NO168375C (no) 1992-02-12
FI85725C (fi) 1992-05-25
FI85725B (fi) 1992-02-14
NO863132L (no) 1987-02-06
FI863193A (fi) 1987-02-06
NO168375B (no) 1991-11-04
CA1282911C (fr) 1991-04-16
AU6054386A (en) 1987-02-12
PT83117A (fr) 1986-09-01
DE3674866D1 (de) 1990-11-15
PT83117B (pt) 1988-10-14
EP0213376B1 (fr) 1990-10-10
JPS6297991A (ja) 1987-05-07
ES2000831A6 (es) 1988-03-16
YU45352B (en) 1992-05-28

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