ZA776988B - Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound - Google Patents

Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound

Info

Publication number
ZA776988B
ZA776988B ZA00776988A ZA776988A ZA776988B ZA 776988 B ZA776988 B ZA 776988B ZA 00776988 A ZA00776988 A ZA 00776988A ZA 776988 A ZA776988 A ZA 776988A ZA 776988 B ZA776988 B ZA 776988B
Authority
ZA
South Africa
Prior art keywords
delignification
naphthoquinone
admixture
aromatic compound
lignocellulosic material
Prior art date
Application number
ZA00776988A
Other languages
English (en)
Inventor
G Segall
H 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
Application filed by Canadian Ind filed Critical Canadian Ind
Publication of ZA776988B publication Critical patent/ZA776988B/xx

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
ZA00776988A 1976-12-14 1977-11-23 Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound ZA776988B (en)

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
ZA776988B true ZA776988B (en) 1978-09-27

Family

ID=25017892

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00776988A ZA776988B (en) 1976-12-14 1977-11-23 Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound

Country Status (13)

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

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 (OSRAM) * 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 (OSRAM) 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
DE2755767A1 (de) 1978-06-15
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 (OSRAM) 1981-03-06
FI773772A7 (fi) 1978-06-15
SE434856B (sv) 1984-08-20
ES465040A1 (es) 1978-12-01

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