FI69128C - Foerfarande foer delignifiering av lignocellulosamaterial - Google Patents

Foerfarande foer delignifiering av lignocellulosamaterial Download PDF

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Publication number
FI69128C
FI69128C FI773773A FI773773A FI69128C FI 69128 C FI69128 C FI 69128C FI 773773 A FI773773 A FI 773773A FI 773773 A FI773773 A FI 773773A FI 69128 C FI69128 C FI 69128C
Authority
FI
Finland
Prior art keywords
solution
cooking
lignocellulosic material
diketoanthracene
process according
Prior art date
Application number
FI773773A
Other languages
English (en)
Finnish (fi)
Other versions
FI773773A (fi
FI69128B (fi
Inventor
Harry Hutchinson Holton
Original Assignee
Canadian Ind
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=25017917&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI69128(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canadian Ind filed Critical Canadian Ind
Publication of FI773773A publication Critical patent/FI773773A/fi
Application granted granted Critical
Publication of FI69128B publication Critical patent/FI69128B/fi
Publication of FI69128C publication Critical patent/FI69128C/fi

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
    • D21C3/003—Pulping cellulose-containing materials with organic compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI773773A 1976-12-14 1977-12-13 Foerfarande foer delignifiering av lignocellulosamaterial FI69128C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75044876 1976-12-14
US05/750,448 US4036681A (en) 1976-12-14 1976-12-14 Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone

Publications (3)

Publication Number Publication Date
FI773773A FI773773A (fi) 1978-06-15
FI69128B FI69128B (fi) 1985-08-30
FI69128C true FI69128C (fi) 1985-12-10

Family

ID=25017917

Family Applications (1)

Application Number Title Priority Date Filing Date
FI773773A FI69128C (fi) 1976-12-14 1977-12-13 Foerfarande foer delignifiering av lignocellulosamaterial

Country Status (14)

Country Link
US (1) US4036681A (no)
JP (1) JPS5374104A (no)
AU (1) AU507893B2 (no)
BR (1) BR7708251A (no)
CA (1) CA1096112A (no)
DE (1) DE2755768A1 (no)
ES (1) ES465039A1 (no)
FI (1) FI69128C (no)
FR (1) FR2374466A1 (no)
NO (1) NO152342C (no)
NZ (1) NZ185750A (no)
SE (1) SE434857B (no)
SU (1) SU890985A3 (no)
ZA (1) ZA776987B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374101A (en) * 1976-12-10 1978-07-01 Honshu Paper Co Ltd Pulp making method
US4181565A (en) * 1976-12-10 1980-01-01 Honshu Seishi Kabushiki Kaisha Process for cooking lignocellulosic material in the presence of hydroxyanthracenes and derivatives thereof
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
JPS6059356B2 (ja) * 1977-12-05 1985-12-24 川崎化成工業株式会社 パルプの製造方法
JPS54106601A (en) * 1978-02-10 1979-08-21 Oji Paper Co Alkali sulfide pulping method
FR2435457A1 (fr) * 1978-06-29 1980-04-04 Ugine Kuhlmann Hexahydro-1,2,3,4,4a, 9a anthracene-dione-9,10, sa preparation et son application a la delignification des materiaux lignocellulosiques
US4405784A (en) * 1981-06-29 1983-09-20 Air Products And Chemicals, Inc. Method of making triethylenediamine
RU2479619C2 (ru) * 2009-11-17 2013-04-20 Феликс Фердинандович Аухадеев Пульсационное устройство для делигнификации целлюлозосодержащего растительного сырья и способ его работы

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1890040A (en) * 1928-05-07 1932-12-06 Gen Aniline Works Inc Production of anthraquinone and derivatives thereof
JPS5143403A (en) * 1974-10-09 1976-04-14 Honshu Paper Co Ltd Arukariparupuno seizohoho
JPS51112903A (en) * 1975-03-26 1976-10-05 Honshu Paper Co Ltd Process for digesting lignocellulose material with sulphites
FI51833C (no) * 1975-03-18 1978-01-24 Ahlstroem Oy
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
JPS5374101A (en) * 1976-12-10 1978-07-01 Honshu Paper Co Ltd Pulp making method

Also Published As

Publication number Publication date
NO152342B (no) 1985-06-03
ES465039A1 (es) 1978-12-01
CA1096112A (en) 1981-02-24
US4036681A (en) 1977-07-19
FI773773A (fi) 1978-06-15
NZ185750A (en) 1980-08-26
JPS5374104A (en) 1978-07-01
AU3086877A (en) 1979-05-31
NO152342C (no) 1988-04-06
SE434857B (sv) 1984-08-20
BR7708251A (pt) 1978-09-05
ZA776987B (en) 1978-09-27
SE7714131L (sv) 1978-06-15
SU890985A3 (ru) 1981-12-15
JPS5345404B2 (no) 1978-12-06
NO774266L (no) 1978-06-15
FI69128B (fi) 1985-08-30
DE2755768A1 (de) 1978-06-15
AU507893B2 (en) 1980-02-28
FR2374466B1 (no) 1982-07-09
FR2374466A1 (fr) 1978-07-13

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Owner name: CANADIAN INDUSTRIES LTD