AU7564281A - Delignifying lignocellulosic material - Google Patents

Delignifying lignocellulosic material

Info

Publication number
AU7564281A
AU7564281A AU75642/81A AU7564281A AU7564281A AU 7564281 A AU7564281 A AU 7564281A AU 75642/81 A AU75642/81 A AU 75642/81A AU 7564281 A AU7564281 A AU 7564281A AU 7564281 A AU7564281 A AU 7564281A
Authority
AU
Australia
Prior art keywords
lignocellulosic material
delignifying lignocellulosic
delignifying
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.)
Granted
Application number
AU75642/81A
Other versions
AU547453B2 (en
Inventor
Dieter Werthemann
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of AU7564281A publication Critical patent/AU7564281A/en
Application granted granted Critical
Publication of AU547453B2 publication Critical patent/AU547453B2/en
Anticipated expiration legal-status Critical
Ceased 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
AU75642/81A 1980-09-25 1981-09-24 Delignifying lignocellulosic material Ceased AU547453B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7183/80 1980-09-25
CH718380 1980-09-25

Publications (2)

Publication Number Publication Date
AU7564281A true AU7564281A (en) 1982-04-01
AU547453B2 AU547453B2 (en) 1985-10-24

Family

ID=4321202

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75642/81A Ceased AU547453B2 (en) 1980-09-25 1981-09-24 Delignifying lignocellulosic material

Country Status (9)

Country Link
EP (1) EP0049221B1 (en)
JP (1) JPS5789691A (en)
AU (1) AU547453B2 (en)
BR (1) BR8106122A (en)
CA (1) CA1174810A (en)
DE (1) DE3161711D1 (en)
FI (1) FI69654C (en)
NO (1) NO813257L (en)
ZA (1) ZA816637B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
US7351764B2 (en) 2004-03-31 2008-04-01 Nalco Company Methods to enhance brightness of pulp and optimize use of bleaching chemicals

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ185937A (en) * 1976-12-13 1979-10-25 Australian Paper Manufacturers Delignification of lignocellulosic material with amine based liquor containing quinones or hydroqinones
US4248663A (en) * 1978-07-05 1981-02-03 Pulp And Paper Research Institute Of Canada Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound

Also Published As

Publication number Publication date
JPS5789691A (en) 1982-06-04
FI69654B (en) 1985-11-29
AU547453B2 (en) 1985-10-24
EP0049221B1 (en) 1983-12-21
CA1174810A (en) 1984-09-25
DE3161711D1 (en) 1984-01-26
BR8106122A (en) 1982-06-15
NO813257L (en) 1982-03-26
FI69654C (en) 1986-03-10
ZA816637B (en) 1982-09-29
EP0049221A1 (en) 1982-04-07
FI812935L (en) 1982-03-26

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