ZA816637B - Process for delignifying lignocellulose material - Google Patents

Process for delignifying lignocellulose material

Info

Publication number
ZA816637B
ZA816637B ZA816637A ZA816637A ZA816637B ZA 816637 B ZA816637 B ZA 816637B ZA 816637 A ZA816637 A ZA 816637A ZA 816637 A ZA816637 A ZA 816637A ZA 816637 B ZA816637 B ZA 816637B
Authority
ZA
South Africa
Prior art keywords
lignocellulose material
delignifying
delignifying lignocellulose
lignocellulose
Prior art date
Application number
ZA816637A
Inventor
Dieter Werthemann
Original Assignee
Ciba Geigy
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 filed Critical Ciba Geigy
Publication of ZA816637B publication Critical patent/ZA816637B/en

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
ZA816637A 1980-09-25 1981-09-24 Process for delignifying lignocellulose material ZA816637B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH718380 1980-09-25

Publications (1)

Publication Number Publication Date
ZA816637B true ZA816637B (en) 1982-09-29

Family

ID=4321202

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA816637A ZA816637B (en) 1980-09-25 1981-09-24 Process for delignifying lignocellulose 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
CA1097463A (en) * 1976-12-13 1981-03-17 Naphtali N. Vanderhoek Pulping processes
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
EP0049221A1 (en) 1982-04-07
AU7564281A (en) 1982-04-01
DE3161711D1 (en) 1984-01-26
FI812935L (en) 1982-03-26
FI69654C (en) 1986-03-10
JPS5789691A (en) 1982-06-04
AU547453B2 (en) 1985-10-24
BR8106122A (en) 1982-06-15
CA1174810A (en) 1984-09-25
EP0049221B1 (en) 1983-12-21
FI69654B (en) 1985-11-29
NO813257L (en) 1982-03-26

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