AU528368B2 - Chemical delignification of lignocellulosic material - Google Patents

Chemical delignification of lignocellulosic material

Info

Publication number
AU528368B2
AU528368B2 AU51898/79A AU5189879A AU528368B2 AU 528368 B2 AU528368 B2 AU 528368B2 AU 51898/79 A AU51898/79 A AU 51898/79A AU 5189879 A AU5189879 A AU 5189879A AU 528368 B2 AU528368 B2 AU 528368B2
Authority
AU
Australia
Prior art keywords
lignocellulosic material
chemical delignification
delignification
chemical
lignocellulosic
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Withdrawn - After Issue
Application number
AU51898/79A
Other languages
English (en)
Other versions
AU5189879A (en
Inventor
Harry Hutchinson Holton
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10500568&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU528368(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canadian Industries Ltd filed Critical Canadian Industries Ltd
Publication of AU5189879A publication Critical patent/AU5189879A/en
Application granted granted Critical
Publication of AU528368B2 publication Critical patent/AU528368B2/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
AU51898/79A 1978-10-25 1979-10-18 Chemical delignification of lignocellulosic material Withdrawn - After Issue AU528368B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4185678 1978-10-25
GB7841856 1978-10-25

Publications (2)

Publication Number Publication Date
AU5189879A AU5189879A (en) 1980-05-01
AU528368B2 true AU528368B2 (en) 1983-04-28

Family

ID=10500568

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51898/79A Withdrawn - After Issue AU528368B2 (en) 1978-10-25 1979-10-18 Chemical delignification of lignocellulosic material

Country Status (11)

Country Link
EP (1) EP0010451A1 (es)
JP (1) JPS5562289A (es)
AU (1) AU528368B2 (es)
BR (1) BR7906873A (es)
CA (1) CA1132763A (es)
ES (1) ES485352A1 (es)
FI (1) FI793317A (es)
NO (1) NO793363L (es)
NZ (1) NZ191815A (es)
PT (1) PT70365A (es)
ZA (1) ZA795541B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984003527A1 (fr) * 1983-03-02 1984-09-13 Nivelleau Bruniere Patrick M F Procede de traitement de matieres ligno-cellulosique pour l'obtention de cellulose.
SE510775C2 (sv) * 1996-09-26 1999-06-21 Kvaerner Pulping Tech Svavelfri kokning av kemisk massa
US6325892B1 (en) 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215588A (en) * 1963-08-15 1965-11-02 Lummus Co Continuous impregnation, cooking, and washing of fibrous material
CA986662A (en) * 1973-05-01 1976-04-06 David L. Mccandless Pretreatment of lignocellulosic material with anthraquinone salts in alkaline pulping
US4036680A (en) * 1976-12-14 1977-07-19 Canadian Industries, Ltd. 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
US4127439A (en) * 1977-01-28 1978-11-28 Crown Zellerbach Corporation Pretreatment of lignocellulose with anthraquinone prior to pulping

Also Published As

Publication number Publication date
PT70365A (en) 1979-11-01
FI793317A (fi) 1980-04-26
EP0010451A1 (en) 1980-04-30
ES485352A1 (es) 1980-07-01
BR7906873A (pt) 1980-06-03
JPS5562289A (en) 1980-05-10
NZ191815A (en) 1982-02-23
ZA795541B (en) 1980-10-29
AU5189879A (en) 1980-05-01
CA1132763A (en) 1982-10-05
NO793363L (no) 1980-04-28

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