IN167959B - - Google Patents

Info

Publication number
IN167959B
IN167959B IN647/DEL/86A IN647DE1986A IN167959B IN 167959 B IN167959 B IN 167959B IN 647DE1986 A IN647DE1986 A IN 647DE1986A IN 167959 B IN167959 B IN 167959B
Authority
IN
India
Prior art keywords
cellulosic materials
treated
cellulosic
conditions
delignification
Prior art date
Application number
IN647/DEL/86A
Other languages
English (en)
Inventor
Josef Stefan 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 IN167959B publication Critical patent/IN167959B/en

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)
  • Materials For Medical Uses (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Dental Preparations (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • External Artificial Organs (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Detergent Compositions (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
IN647/DEL/86A 1985-08-05 1986-07-18 IN167959B (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IN167959B true IN167959B (pt) 1991-01-12

Family

ID=25065878

Family Applications (1)

Application Number Title Priority Date Filing Date
IN647/DEL/86A IN167959B (pt) 1985-08-05 1986-07-18

Country Status (14)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
US7892397B2 (en) * 2007-05-23 2011-02-22 Alberta Innovates - Technology Futures Method of degumming cellulosic fibres

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 (pt) * 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
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.

Also Published As

Publication number Publication date
CA1282911C (fr) 1991-04-16
FI85725C (fi) 1992-05-25
EP0213376B1 (fr) 1990-10-10
PT83117A (fr) 1986-09-01
ES2000831A6 (es) 1988-03-16
NO168375B (no) 1991-11-04
YU137086A (en) 1987-10-31
FI863193A (fi) 1987-02-06
NO863132D0 (no) 1986-08-04
DE3674866D1 (de) 1990-11-15
EP0213376A1 (fr) 1987-03-11
AU6054386A (en) 1987-02-12
NO863132L (no) 1987-02-06
AU591508B2 (en) 1989-12-07
NO168375C (no) 1992-02-12
ATE57401T1 (de) 1990-10-15
NZ217001A (en) 1989-01-27
YU45352B (en) 1992-05-28
PT83117B (pt) 1988-10-14
FI863193A0 (fi) 1986-08-05
BR8603671A (pt) 1987-03-10
JPH0742669B2 (ja) 1995-05-10
JPS6297991A (ja) 1987-05-07
FI85725B (fi) 1992-02-14

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EP0415149A3 (en) Process for bleaching and delignification of lignocellulosic materials
ATE82340T1 (de) Verfahren zur ozonbehandlung von lignocellulosematerialien, insbesondere papiermassen, und reaktor zum ausfuehren des verfahrens.
DE3672577D1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
IN167959B (pt)
YU45351B (en) Process for delignification of cellulose materials
ES8802335A1 (es) Procedimiento para mejorar las propiedades mecanicas de una pasta de papel quimica o semiquimica de bagazo
DE3563548D1 (en) Process for preparing chemical wood pulps with a view to bleaching
EG18178A (en) Process for bleaching textiles in the presence of particles of iron or of ferrouse materials