SE9600182D0 - Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner - Google Patents

Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner

Info

Publication number
SE9600182D0
SE9600182D0 SE9600182A SE9600182A SE9600182D0 SE 9600182 D0 SE9600182 D0 SE 9600182D0 SE 9600182 A SE9600182 A SE 9600182A SE 9600182 A SE9600182 A SE 9600182A SE 9600182 D0 SE9600182 D0 SE 9600182D0
Authority
SE
Sweden
Prior art keywords
aqueous solution
pyrazolidones
phenols
additives
addition
Prior art date
Application number
SE9600182A
Other languages
English (en)
Other versions
SE506228C2 (sv
SE9600182L (sv
Inventor
Ejne Saxeby
Original Assignee
John Saxeby Ab
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 John Saxeby Ab filed Critical John Saxeby Ab
Priority to SE9600182A priority Critical patent/SE506228C2/sv
Publication of SE9600182D0 publication Critical patent/SE9600182D0/sv
Priority to PCT/SE1997/000082 priority patent/WO1997026402A1/en
Priority to AU13275/97A priority patent/AU1327597A/en
Publication of SE9600182L publication Critical patent/SE9600182L/sv
Publication of SE506228C2 publication Critical patent/SE506228C2/sv

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
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • 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

Landscapes

  • Paper (AREA)
SE9600182A 1996-01-18 1996-01-18 Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner SE506228C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9600182A SE506228C2 (sv) 1996-01-18 1996-01-18 Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner
PCT/SE1997/000082 WO1997026402A1 (en) 1996-01-18 1997-01-20 Delignification of lignocellulosic material with a cooking liquor containing phenols and pyrazolidones
AU13275/97A AU1327597A (en) 1996-01-18 1997-01-20 Delignification of lignocellulosic material with a cooking liquor containing phenols and pyrazolidones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9600182A SE506228C2 (sv) 1996-01-18 1996-01-18 Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner

Publications (3)

Publication Number Publication Date
SE9600182D0 true SE9600182D0 (sv) 1996-01-18
SE9600182L SE9600182L (sv) 1997-07-19
SE506228C2 SE506228C2 (sv) 1997-11-24

Family

ID=20401068

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9600182A SE506228C2 (sv) 1996-01-18 1996-01-18 Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner

Country Status (3)

Country Link
AU (1) AU1327597A (sv)
SE (1) SE506228C2 (sv)
WO (1) WO1997026402A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7242483B2 (ja) * 2019-09-12 2023-03-20 日華化学株式会社 リグノセルロース材料の蒸解促進剤及びそれを用いたパルプの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA773044B (en) * 1976-06-02 1978-04-26 Australian Paper Manufacturers Improvements in pulping processes
CA1110413A (en) * 1977-12-14 1981-10-13 Oji Paper Co., Ltd. Process for pulping lignocellulosic material
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
SE506228C2 (sv) 1997-11-24
AU1327597A (en) 1997-08-11
SE9600182L (sv) 1997-07-19
WO1997026402A1 (en) 1997-07-24

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