ATE286484T1 - Verfahren im zusammenhang mit der vergasung von zellstoffablaugen - Google Patents

Verfahren im zusammenhang mit der vergasung von zellstoffablaugen

Info

Publication number
ATE286484T1
ATE286484T1 AT93924842T AT93924842T ATE286484T1 AT E286484 T1 ATE286484 T1 AT E286484T1 AT 93924842 T AT93924842 T AT 93924842T AT 93924842 T AT93924842 T AT 93924842T AT E286484 T1 ATE286484 T1 AT E286484T1
Authority
AT
Austria
Prior art keywords
gasification
process related
pulp waste
producing
hydrogen peroxide
Prior art date
Application number
AT93924842T
Other languages
English (en)
Inventor
Ake Backlung
Lars Stigsson
Ove Wallergard
Original Assignee
Chemrec 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20387642&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE286484(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chemrec Ab filed Critical Chemrec Ab
Application granted granted Critical
Publication of ATE286484T1 publication Critical patent/ATE286484T1/de

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01—Hydrogen peroxide
    • C01B15/022—Preparation from organic compounds
    • C01B15/023—Preparation from organic compounds by the alkyl-anthraquinone process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
AT93924842T 1992-11-02 1993-09-29 Verfahren im zusammenhang mit der vergasung von zellstoffablaugen ATE286484T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9203218A SE470515B (sv) 1992-11-02 1992-11-02 Förfarande för framställning av väteperoxid
PCT/SE1993/000778 WO1994010085A1 (en) 1992-11-02 1993-09-29 Process associated with the gasification of cellulose spent liquors

Publications (1)

Publication Number Publication Date
ATE286484T1 true ATE286484T1 (de) 2005-01-15

Family

ID=20387642

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93924842T ATE286484T1 (de) 1992-11-02 1993-09-29 Verfahren im zusammenhang mit der vergasung von zellstoffablaugen

Country Status (12)

Country Link
EP (1) EP0666831B1 (de)
JP (1) JPH09508884A (de)
AT (1) ATE286484T1 (de)
AU (1) AU672849B2 (de)
BR (1) BR9307357A (de)
CA (1) CA2148359A1 (de)
DE (1) DE69333736D1 (de)
FI (1) FI113043B (de)
NO (1) NO951644L (de)
RU (1) RU2117629C1 (de)
SE (1) SE470515B (de)
WO (1) WO1994010085A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628872A (en) * 1993-10-22 1997-05-13 Kanyr Ab Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
FR2731021B1 (fr) * 1995-02-28 1997-05-16 Chemoxal Sa Procede et installation de fabrication de pate a papier utilisant les effluents de traitement basiques d'une installation de production de peroxyde d'hydrogene
EP1350761A1 (de) * 2002-03-28 2003-10-08 Degussa AG Verfahren zur Herstellung von Wasserstoffperoxid
FR2930772B1 (fr) * 2008-04-30 2010-04-30 Arkema France Synthese directe d'eau oxygenee sur le site d'une papeterie
FR2935971B1 (fr) 2008-09-16 2010-11-19 Arkema France Acide bio-acrylique de grade polymere et son procede de fabrication a partir de glycerol.
FR2938536B1 (fr) 2008-11-18 2012-07-13 Arkema France Procede de fabrication d'un methacrylate de methyle derive de la biomasse
FR2938535B1 (fr) 2008-11-20 2012-08-17 Arkema France Procede de fabrication de methylmercaptopropionaldehyde et de methionine a partir de matieres renouvelables
FR2938838B1 (fr) * 2008-11-27 2012-06-08 Arkema France Procede de fabrication d'un methacrylate de methyle derive de la biomasse
FR2940801B1 (fr) * 2009-01-06 2012-08-17 Arkema France Procede de fabrication d'un methacrylate de methyle derive de la biomasse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431532B (sv) * 1982-09-08 1984-02-13 Eka Ab Forfarande vid framstellning av veteperoxid
SE466268B (sv) * 1990-05-31 1992-01-20 Chemrec Ab Foerfarande vid partiell foerbraenning av svartlut

Also Published As

Publication number Publication date
CA2148359A1 (en) 1994-05-11
AU5435194A (en) 1994-05-24
EP0666831A1 (de) 1995-08-16
DE69333736D1 (de) 2005-02-10
BR9307357A (pt) 1999-06-01
SE9203218D0 (sv) 1992-11-02
FI952042A0 (fi) 1995-04-28
EP0666831B1 (de) 2005-01-05
SE470515B (sv) 1994-06-27
SE9203218L (sv) 1994-05-03
NO951644D0 (no) 1995-04-28
NO951644L (no) 1995-06-21
FI952042A (fi) 1995-06-27
JPH09508884A (ja) 1997-09-09
WO1994010085A1 (en) 1994-05-11
FI113043B (fi) 2004-02-27
RU2117629C1 (ru) 1998-08-20
AU672849B2 (en) 1996-10-17

Similar Documents

Publication Publication Date Title
BR8100867A (pt) Processo para o branqueamento de celuloses
ATE7237T1 (de) Verfahren zur regenerierung von altpapier.
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
ATE286484T1 (de) Verfahren im zusammenhang mit der vergasung von zellstoffablaugen
FI103899B1 (fi) Menetelmä erityisen vaalean massan valmistamiseksi
FI952596A0 (fi) Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja
DE60144190D1 (de) Verfahren zum bleichen von zellstoff
DE68924793D1 (de) Verfahren zum Bleichen von mechanischem Holzstoff.
ATE132926T1 (de) Verfahren zur delignifizierung von chemischen zellstoffen
ATE403773T1 (de) Verfahren zur herstellung von zellstoff und von kalium-enthaltendem dünger
SE7907850L (sv) Forfarande for fullstendig blekning av cellulosa
DE69111098D1 (de) Verfahren zur Herstellung von gebleichtem Zellstoff mit hoher Ausbeute.
ATE84582T1 (de) Regelung der peroxidbleiche verschiedener papierfaserstoffe.
ATE115209T1 (de) Verfahren zum teilverbrennen von gebrauchten zelluloselösungen.
FI843975L (fi) Hypokloritbehandling av kemiska pappersmassor.
ATE156877T1 (de) Verfahren zum wasserstoffperoxydbleichen von einem hochausbeute-zellstoff
SE9301940D0 (sv) Framstaellning av blekningskemikalier foer cellulosamassa
DE69001915T2 (de) Verfahren zum Zerstören von Hypochloriten in einer Chloratlösung.
SE8103399L (sv) Sett att forbettra avhartsningsformagan hos tvahaltiga lovvedsfororeningar

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties