DE2755767A1 - Verfahren zur delignifizierung von lignocellulose-materialien - Google Patents

Verfahren zur delignifizierung von lignocellulose-materialien

Info

Publication number
DE2755767A1
DE2755767A1 DE19772755767 DE2755767A DE2755767A1 DE 2755767 A1 DE2755767 A1 DE 2755767A1 DE 19772755767 DE19772755767 DE 19772755767 DE 2755767 A DE2755767 A DE 2755767A DE 2755767 A1 DE2755767 A1 DE 2755767A1
Authority
DE
Germany
Prior art keywords
diketoanthracene
lignocellulosic material
pulping
weight
oxygen
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.)
Withdrawn
Application number
DE19772755767
Other languages
German (de)
English (en)
Inventor
Harry Hutchinson Holton
Gordon Hart Segall
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
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 Canadian Industries Ltd filed Critical Canadian Industries Ltd
Publication of DE2755767A1 publication Critical patent/DE2755767A1/de
Withdrawn legal-status Critical Current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
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/003Pulping cellulose-containing materials with organic compounds

Landscapes

  • Paper (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DE19772755767 1976-12-14 1977-12-14 Verfahren zur delignifizierung von lignocellulose-materialien Withdrawn DE2755767A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/750,442 US4036680A (en) 1976-12-14 1976-12-14 Delignification of lignocellulosic material with a soda pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone in admixture with a nitro aromatic compound

Publications (1)

Publication Number Publication Date
DE2755767A1 true DE2755767A1 (de) 1978-06-15

Family

ID=25017892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772755767 Withdrawn DE2755767A1 (de) 1976-12-14 1977-12-14 Verfahren zur delignifizierung von lignocellulose-materialien

Country Status (13)

Country Link
US (1) US4036680A (enExample)
JP (1) JPS5374103A (enExample)
AU (1) AU504215B2 (enExample)
BR (1) BR7708250A (enExample)
CA (1) CA1096111A (enExample)
DE (1) DE2755767A1 (enExample)
ES (1) ES465040A1 (enExample)
FI (1) FI773772A7 (enExample)
FR (1) FR2374465A1 (enExample)
NO (1) NO774234L (enExample)
NZ (1) NZ185751A (enExample)
SE (1) SE434856B (enExample)
ZA (1) ZA776988B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442912A1 (fr) * 1978-07-27 1980-06-27 Ugine Kuhlmann Procede de cuisson de materiaux lignocellulosiques en vue de la production de pate a papier
CA1132763A (en) * 1978-10-25 1982-10-05 Harry H. Holton Use of cyclic keto compounds as additives in vapor phase pulping process
DE2925544A1 (de) * 1979-06-25 1981-01-22 Bayer Ag Verfahren zur delignifizierung von lignocellulose-materialien
DE2950693A1 (de) * 1979-12-17 1981-06-25 Bayer Ag, 5090 Leverkusen Dispersionen von dinitroanthrachinonen, verfahren zu deren herstellung und ihre verwendung
CA2973189C (en) 2015-01-26 2022-11-01 Nippon Paper Industries Co., Ltd. Method for producing xylan-containing material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538457A (en) * 1946-11-02 1951-01-16 Monie S Hudson Treating wood
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 (enExample) * 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
JPS5345403B2 (enExample) 1978-12-06
FR2374465A1 (fr) 1978-07-13
SE7714130L (sv) 1978-06-15
JPS5374103A (en) 1978-07-01
AU504215B2 (en) 1979-10-04
CA1096111A (en) 1981-02-24
US4036680A (en) 1977-07-19
BR7708250A (pt) 1978-09-05
NZ185751A (en) 1980-09-12
AU3092177A (en) 1979-06-28
NO774234L (no) 1978-06-15
FR2374465B1 (enExample) 1981-03-06
FI773772A7 (fi) 1978-06-15
SE434856B (sv) 1984-08-20
ZA776988B (en) 1978-09-27
ES465040A1 (es) 1978-12-01

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination