ATE179T1 - 1,2,3,4,4A,9A-HEXAHYDROANTHRACENE-9,10-DIONE, ITS PRODUCTION AND ITS USE IN DELIGNIFICATION OF LIGNIN-CONTAINING CELLULOSIC MATERIAL. - Google Patents

1,2,3,4,4A,9A-HEXAHYDROANTHRACENE-9,10-DIONE, ITS PRODUCTION AND ITS USE IN DELIGNIFICATION OF LIGNIN-CONTAINING CELLULOSIC MATERIAL.

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)
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/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
    • D21C3/222—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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Dental Preparations (AREA)

Abstract

A new industrial product, namely 1,2,3,4,4a,9a-hexahydro-9,10-anthracene-dione, is disclosed together with a process for its preparation and its use in conventional alkali metal hydroxide cook or Kraft cook processes for the delignification of lignocellulose materials.
AT79400378T 1978-06-29 1979-06-12 1,2,3,4,4A,9A-HEXAHYDROANTHRACENE-9,10-DIONE, ITS PRODUCTION AND ITS USE IN DELIGNIFICATION OF LIGNIN-CONTAINING CELLULOSIC MATERIAL. ATE179T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7819466A FR2435457A1 (en) 1978-06-29 1978-06-29 HEXAHYDRO-1,2,3,4,4A, 9A ANTHRACENE-DIONE-9,10, ITS PREPARATION AND ITS APPLICATION TO THE DELIGNIFICATION OF LIGNOCELLULOSIC MATERIALS
EP79400378A EP0006790B1 (en) 1978-06-29 1979-06-12 1,2,3,4,4a,9a-hexahydroanthracen-9,10-dion, its preparation and its application in the delignification of lignocellulosic material

Publications (1)

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

Family

ID=9210133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79400378T ATE179T1 (en) 1978-06-29 1979-06-12 1,2,3,4,4A,9A-HEXAHYDROANTHRACENE-9,10-DIONE, ITS PRODUCTION AND ITS USE IN DELIGNIFICATION OF LIGNIN-CONTAINING CELLULOSIC MATERIAL.

Country Status (14)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2374780C (en) * 1999-06-15 2008-09-16 Kawasaki Kasei Chemicals Ltd. Cooking method for pulp
FI128736B (en) * 2018-03-09 2020-11-13 Valmet Automation Oy Method and measurement apparatus for measuring 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 (en) * 1928-09-13 1930-09-09 I G Farbenindustrie Akt Ges Process for the preparation of anthraquinone and its offshoots
GB1135979A (en) * 1965-06-11 1968-12-11 Ici Ltd Hydrogenation process
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
FR2373337A1 (en) * 1976-12-07 1978-07-07 Hotchkiss Brandt Sogeme Sorting machine for postal packets - has arms pushing packets up series of inclines for final delivery into correct compartment below
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
BR7904062A (en) 1980-03-11
NO792184L (en) 1980-01-03
FR2435457A1 (en) 1980-04-04
AU4847379A (en) 1980-01-03
FR2435457B1 (en) 1981-01-30
FI792039A7 (en) 1979-12-30
NO151616C (en) 1985-05-08
EP0006790A1 (en) 1980-01-09
FI66832C (en) 1984-12-10
EP0006790B1 (en) 1981-09-02
JPS622569B2 (en) 1987-01-20
AU527739B2 (en) 1983-03-17
SU965349A3 (en) 1982-10-07
NZ190792A (en) 1981-10-19
SU924034A1 (en) 1982-04-30
FI66832B (en) 1984-08-31
ES482028A1 (en) 1980-07-01
US4235666A (en) 1980-11-25
NO151616B (en) 1985-01-28
CA1117940A (en) 1982-02-09
JPS559082A (en) 1980-01-22
DE2960731D1 (en) 1981-11-26

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