AU4699989A - Process for improved alkaline oxidative delignification of cellulose pulp - Google Patents

Process for improved alkaline oxidative delignification of cellulose pulp

Info

Publication number
AU4699989A
AU4699989A AU46999/89A AU4699989A AU4699989A AU 4699989 A AU4699989 A AU 4699989A AU 46999/89 A AU46999/89 A AU 46999/89A AU 4699989 A AU4699989 A AU 4699989A AU 4699989 A AU4699989 A AU 4699989A
Authority
AU
Australia
Prior art keywords
cellulose pulp
improved alkaline
alkaline oxidative
oxidative delignification
delignification
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.)
Abandoned
Application number
AU46999/89A
Other languages
English (en)
Inventor
Rupert D'souza
Jeffery Shaocheng Hsieh
Madhusudan Dattatraya Jayawant
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of AU4699989A publication Critical patent/AU4699989A/en
Abandoned 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
AU46999/89A 1988-12-20 1989-12-20 Process for improved alkaline oxidative delignification of cellulose pulp Abandoned AU4699989A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28678288A 1988-12-20 1988-12-20
US286782 1988-12-20

Publications (1)

Publication Number Publication Date
AU4699989A true AU4699989A (en) 1990-06-28

Family

ID=23100136

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46999/89A Abandoned AU4699989A (en) 1988-12-20 1989-12-20 Process for improved alkaline oxidative delignification of cellulose pulp

Country Status (9)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006056A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
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 (sv) * 1982-12-01 1984-07-16 Mo Och Domsjoe Ab Forfarande for delignifiering av cellulosamassa med kveveoxider och syrgas

Also Published As

Publication number Publication date
NO895108D0 (no) 1989-12-19
BR8906570A (pt) 1990-09-04
EP0377981A3 (en) 1992-06-24
EP0377981A2 (en) 1990-07-18
DK648589D0 (da) 1989-12-19
JPH02216290A (ja) 1990-08-29
FI896085A0 (fi) 1989-12-19
CA2005369A1 (en) 1990-06-20
NO895108L (no) 1990-06-21
DK648589A (da) 1990-06-21
ZA899775B (en) 1991-08-28

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