NO895108L - PROCEDURE FOR DELIGNIFICATION AND WHITING OF LIGNOCELLULOSEMASSE. - Google Patents

PROCEDURE FOR DELIGNIFICATION AND WHITING OF LIGNOCELLULOSEMASSE.

Info

Publication number
NO895108L
NO895108L NO89895108A NO895108A NO895108L NO 895108 L NO895108 L NO 895108L NO 89895108 A NO89895108 A NO 89895108A NO 895108 A NO895108 A NO 895108A NO 895108 L NO895108 L NO 895108L
Authority
NO
Norway
Prior art keywords
lignocellulosemasse
delignification
whiting
procedure
Prior art date
Application number
NO89895108A
Other languages
Norwegian (no)
Other versions
NO895108D0 (en
Inventor
Madhusudan Dattatraya Jayawant
Souza Rupert D
Jeffrey Shaocheng Hsieh
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NO895108D0 publication Critical patent/NO895108D0/en
Publication of NO895108L publication Critical patent/NO895108L/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
NO89895108A 1988-12-20 1989-12-19 PROCEDURE FOR DELIGNIFICATION AND WHITING OF LIGNOCELLULOSEMASSE. NO895108L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28678288A 1988-12-20 1988-12-20

Publications (2)

Publication Number Publication Date
NO895108D0 NO895108D0 (en) 1989-12-19
NO895108L true NO895108L (en) 1990-06-21

Family

ID=23100136

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89895108A NO895108L (en) 1988-12-20 1989-12-19 PROCEDURE FOR DELIGNIFICATION AND WHITING OF LIGNOCELLULOSEMASSE.

Country Status (9)

Country Link
EP (1) EP0377981A3 (en)
JP (1) JPH02216290A (en)
AU (1) AU4699989A (en)
BR (1) BR8906570A (en)
CA (1) CA2005369A1 (en)
DK (1) DK648589A (en)
FI (1) FI896085A0 (en)
NO (1) NO895108L (en)
ZA (1) ZA899775B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006056A3 (en) * 1992-07-06 1994-05-03 Solvay Interox Method of laundering of chemical pulp.
WO2021209586A1 (en) * 2020-04-16 2021-10-21 Bim Kemi Ab Delignification process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE434283B (en) * 1982-12-01 1984-07-16 Mo Och Domsjoe Ab PROCEDURE FOR DELIGNIFICATION OF CELLULOSAMASSA WITH NITROGEN OXIDES AND Oxygen

Also Published As

Publication number Publication date
EP0377981A3 (en) 1992-06-24
BR8906570A (en) 1990-09-04
FI896085A0 (en) 1989-12-19
JPH02216290A (en) 1990-08-29
AU4699989A (en) 1990-06-28
NO895108D0 (en) 1989-12-19
DK648589A (en) 1990-06-21
ZA899775B (en) 1991-08-28
DK648589D0 (en) 1989-12-19
EP0377981A2 (en) 1990-07-18
CA2005369A1 (en) 1990-06-20

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