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EP0309998A3 - Procédé dans l'activation de matière lignocellulosique par un gaz contenant du dioxyde d'azote - Google Patents

Procédé dans l'activation de matière lignocellulosique par un gaz contenant du dioxyde d'azote Download PDF

Info

Publication number
EP0309998A3
EP0309998A3 EP19880115896 EP88115896A EP0309998A3 EP 0309998 A3 EP0309998 A3 EP 0309998A3 EP 19880115896 EP19880115896 EP 19880115896 EP 88115896 A EP88115896 A EP 88115896A EP 0309998 A3 EP0309998 A3 EP 0309998A3
Authority
EP
European Patent Office
Prior art keywords
gas
lignocellulosic material
separated
activating
containing nitrogen
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.)
Granted
Application number
EP19880115896
Other languages
German (de)
English (en)
Other versions
EP0309998A2 (fr
EP0309998B1 (fr
Inventor
Hans Olof Prof. Samuelson
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Priority to AT88115896T priority Critical patent/ATE101886T1/de
Publication of EP0309998A2 publication Critical patent/EP0309998A2/fr
Publication of EP0309998A3 publication Critical patent/EP0309998A3/fr
Application granted granted Critical
Publication of EP0309998B1 publication Critical patent/EP0309998B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/06Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
EP88115896A 1987-09-28 1988-09-27 Procédé dans l'activation de matière lignocellulosique par un gaz contenant du dioxyde d'azote Expired - Lifetime EP0309998B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88115896T ATE101886T1 (de) 1987-09-28 1988-09-27 Verfahren in der aktivierung von lignocellulosematerial mit einem stickstoffdioxid enthaltenden gas.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8703718 1987-09-28
SE8703718A SE460543B (sv) 1987-09-28 1987-09-28 Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas

Publications (3)

Publication Number Publication Date
EP0309998A2 EP0309998A2 (fr) 1989-04-05
EP0309998A3 true EP0309998A3 (fr) 1991-07-17
EP0309998B1 EP0309998B1 (fr) 1994-02-23

Family

ID=20369679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115896A Expired - Lifetime EP0309998B1 (fr) 1987-09-28 1988-09-27 Procédé dans l'activation de matière lignocellulosique par un gaz contenant du dioxyde d'azote

Country Status (12)

Country Link
EP (1) EP0309998B1 (fr)
JP (1) JP2510424B2 (fr)
AT (1) ATE101886T1 (fr)
AU (1) AU605913B2 (fr)
CA (1) CA1301412C (fr)
DE (1) DE3887948T2 (fr)
ES (1) ES2049234T3 (fr)
FI (1) FI93231C (fr)
NO (1) NO172698C (fr)
NZ (1) NZ226104A (fr)
SE (1) SE460543B (fr)
ZA (1) ZA887229B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9200183L (sv) * 1992-01-23 1993-07-24 Kamyr Ab Avskiljningsanordning samt foerfarande

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165253A (en) * 1978-07-20 1979-08-21 Ivanov Mikhail A Process for producing pulp
US4439271A (en) * 1980-06-05 1984-03-27 Mo Och Domsjo Aktiebolag Process for the oxygen bleaching of cellulose pulp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451023B (sv) * 1985-12-10 1987-08-24 Mo Och Domsjoe Ab Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165253A (en) * 1978-07-20 1979-08-21 Ivanov Mikhail A Process for producing pulp
US4439271A (en) * 1980-06-05 1984-03-27 Mo Och Domsjo Aktiebolag Process for the oxygen bleaching of cellulose pulp

Also Published As

Publication number Publication date
ATE101886T1 (de) 1994-03-15
NO172698C (no) 1993-08-25
CA1301412C (fr) 1992-05-26
SE8703718D0 (sv) 1987-09-28
ZA887229B (en) 1989-06-28
ES2049234T3 (es) 1994-04-16
FI93231C (fi) 1995-03-10
EP0309998A2 (fr) 1989-04-05
DE3887948D1 (de) 1994-03-31
JP2510424B2 (ja) 1996-06-26
FI884432L (fi) 1989-03-29
SE460543B (sv) 1989-10-23
NZ226104A (en) 1990-05-28
NO884279L (no) 1989-03-29
AU2283288A (en) 1989-04-06
SE8703718L (sv) 1989-03-29
JPH01104894A (ja) 1989-04-21
NO884279D0 (no) 1988-09-27
AU605913B2 (en) 1991-01-24
DE3887948T2 (de) 1994-08-18
EP0309998B1 (fr) 1994-02-23
FI884432A0 (fi) 1988-09-27
NO172698B (no) 1993-05-18
FI93231B (fi) 1994-11-30

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