BR8106122A - Processo para deslignifiacao de material de lignocelulose - Google Patents

Processo para deslignifiacao de material de lignocelulose

Info

Publication number
BR8106122A
BR8106122A BR8106122A BR8106122A BR8106122A BR 8106122 A BR8106122 A BR 8106122A BR 8106122 A BR8106122 A BR 8106122A BR 8106122 A BR8106122 A BR 8106122A BR 8106122 A BR8106122 A BR 8106122A
Authority
BR
Brazil
Prior art keywords
designification
lignocellulose material
lignocellulose
Prior art date
Application number
BR8106122A
Other languages
English (en)
Inventor
D Werthemann
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 BR8106122A publication Critical patent/BR8106122A/pt

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
BR8106122A 1980-09-25 1981-09-24 Processo para deslignifiacao de material de lignocelulose BR8106122A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8106122A true BR8106122A (pt) 1982-06-15

Family

ID=4321202

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106122A BR8106122A (pt) 1980-09-25 1981-09-24 Processo para deslignifiacao de material de lignocelulose

Country Status (9)

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

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
JPS5789691A (en) 1982-06-04
ZA816637B (en) 1982-09-29
FI69654B (fi) 1985-11-29
CA1174810A (en) 1984-09-25
FI812935L (fi) 1982-03-26
AU547453B2 (en) 1985-10-24
DE3161711D1 (en) 1984-01-26
NO813257L (no) 1982-03-26
AU7564281A (en) 1982-04-01
FI69654C (fi) 1986-03-10
EP0049221A1 (de) 1982-04-07
EP0049221B1 (de) 1983-12-21

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