ATE179T1 - 1,2,3,4,4a,9a-hexahydroanthrazen-9,10-dion, seine herstellung und seine verwendung beim delignifizieren von ligninhaltigem cellulosematerial. - Google Patents

1,2,3,4,4a,9a-hexahydroanthrazen-9,10-dion, seine herstellung und seine verwendung beim delignifizieren von ligninhaltigem cellulosematerial.

Info

Publication number
ATE179T1
ATE179T1 AT79400378T AT79400378T ATE179T1 AT E179 T1 ATE179 T1 AT E179T1 AT 79400378 T AT79400378 T AT 79400378T AT 79400378 T AT79400378 T AT 79400378T AT E179 T1 ATE179 T1 AT E179T1
Authority
AT
Austria
Prior art keywords
delignification
dione
hexahydroanthracene
lignin
production
Prior art date
Application number
AT79400378T
Other languages
German (de)
English (en)
Inventor
Lucien Bourson
Serge Delavarenne
Pierre Tellier
Original Assignee
P C U K Produits Chimiques Ugine Kuhlmann
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 P C U K Produits Chimiques Ugine Kuhlmann filed Critical P C U K Produits Chimiques Ugine Kuhlmann
Application granted granted Critical
Publication of ATE179T1 publication Critical patent/ATE179T1/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Luminescent Compositions (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Dental Preparations (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Graft Or Block Polymers (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Polymerisation Methods In General (AREA)
AT79400378T 1978-06-29 1979-06-12 1,2,3,4,4a,9a-hexahydroanthrazen-9,10-dion, seine herstellung und seine verwendung beim delignifizieren von ligninhaltigem cellulosematerial. ATE179T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7819466A FR2435457A1 (fr) 1978-06-29 1978-06-29 Hexahydro-1,2,3,4,4a, 9a anthracene-dione-9,10, sa preparation et son application a la delignification des materiaux lignocellulosiques
EP79400378A EP0006790B1 (fr) 1978-06-29 1979-06-12 Hexahydro-1,2,3,4,4a,9a anthracène-dione-9,10, sa préparation et son application à la délignification des matériaux lignocellulosiques

Publications (1)

Publication Number Publication Date
ATE179T1 true ATE179T1 (de) 1981-09-15

Family

ID=9210133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79400378T ATE179T1 (de) 1978-06-29 1979-06-12 1,2,3,4,4a,9a-hexahydroanthrazen-9,10-dion, seine herstellung und seine verwendung beim delignifizieren von ligninhaltigem cellulosematerial.

Country Status (14)

Country Link
US (1) US4235666A (no)
EP (1) EP0006790B1 (no)
JP (1) JPS559082A (no)
AT (1) ATE179T1 (no)
AU (1) AU527739B2 (no)
BR (1) BR7904062A (no)
CA (1) CA1117940A (no)
DE (1) DE2960731D1 (no)
ES (1) ES482028A1 (no)
FI (1) FI66832C (no)
FR (1) FR2435457A1 (no)
NO (1) NO151616C (no)
NZ (1) NZ190792A (no)
SU (2) SU965349A3 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245721B2 (en) * 1999-06-15 2012-11-21 Kawasaki Kasei Chemicals Ltd. Digestion method for pulp
FI128736B (en) * 2018-03-09 2020-11-13 Valmet Automation Oy Method and measuring device for measuring the suspension

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1821035A (en) * 1927-08-18 1931-09-01 Gen Aniline Works Inc Compounds of the anthracene series and process of preparing them
US1890040A (en) * 1928-05-07 1932-12-06 Gen Aniline Works Inc Production of anthraquinone and derivatives thereof
DE504646C (de) * 1928-09-13 1930-09-09 I G Farbenindustrie Akt Ges Verfahren zur Darstellung von Anthrachinon und seinen Abkoemmlingen
GB1130743A (en) * 1965-06-11 1968-10-16 Ici Ltd Organo-iridium complexes
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
FR2373337A1 (fr) * 1976-12-07 1978-07-07 Hotchkiss Brandt Sogeme Dispositif automatique de tri d'objets, procede de mise en oeuvre de celui-ci et equipement comportant un tel dispositif
JPS5374101A (en) * 1976-12-10 1978-07-01 Honshu Paper Co Ltd Pulp making method
US4036681A (en) * 1976-12-14 1977-07-19 Canadian Industries, Ltd. Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone

Also Published As

Publication number Publication date
JPS559082A (en) 1980-01-22
SU924034A1 (ru) 1982-04-30
EP0006790A1 (fr) 1980-01-09
JPS622569B2 (no) 1987-01-20
US4235666A (en) 1980-11-25
DE2960731D1 (en) 1981-11-26
BR7904062A (pt) 1980-03-11
AU4847379A (en) 1980-01-03
AU527739B2 (en) 1983-03-17
NO151616C (no) 1985-05-08
FI66832B (fi) 1984-08-31
NO792184L (no) 1980-01-03
ES482028A1 (es) 1980-07-01
NO151616B (no) 1985-01-28
EP0006790B1 (fr) 1981-09-02
SU965349A3 (ru) 1982-10-07
FR2435457B1 (no) 1981-01-30
NZ190792A (en) 1981-10-19
FR2435457A1 (fr) 1980-04-04
FI66832C (fi) 1984-12-10
FI792039A (fi) 1979-12-30
CA1117940A (fr) 1982-02-09

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