NO980659D0 - Framgangsmåte for reduksjon i anthraquinonbehov i oppslemming av lignocelluloseholdig materiale - Google Patents

Framgangsmåte for reduksjon i anthraquinonbehov i oppslemming av lignocelluloseholdig materiale

Info

Publication number
NO980659D0
NO980659D0 NO980659A NO980659A NO980659D0 NO 980659 D0 NO980659 D0 NO 980659D0 NO 980659 A NO980659 A NO 980659A NO 980659 A NO980659 A NO 980659A NO 980659 D0 NO980659 D0 NO 980659D0
Authority
NO
Norway
Prior art keywords
slurry
requirements
lignocellulosic material
reducing anthraquinone
anthraquinone
Prior art date
Application number
NO980659A
Other languages
English (en)
Other versions
NO980659L (no
Inventor
William T Turner
Original Assignee
Westvaco Corp
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
Priority claimed from US08/814,680 external-priority patent/US5871663A/en
Priority claimed from US08/814,375 external-priority patent/US5871614A/en
Application filed by Westvaco Corp filed Critical Westvaco Corp
Publication of NO980659D0 publication Critical patent/NO980659D0/no
Publication of NO980659L publication Critical patent/NO980659L/no

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
NO980659A 1997-03-11 1998-02-17 Belte av tekstil NO980659L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/814,680 US5871663A (en) 1997-03-11 1997-03-11 Additive composition for reducing anthraquinone requirements in pulping of lignocellulosic material
US08/814,375 US5871614A (en) 1997-03-11 1997-03-11 Process for reducing anthraquinone requirements in pulping of lignocellulosic material

Publications (2)

Publication Number Publication Date
NO980659D0 true NO980659D0 (no) 1998-02-17
NO980659L NO980659L (no) 1998-09-14

Family

ID=27123839

Family Applications (1)

Application Number Title Priority Date Filing Date
NO980659A NO980659L (no) 1997-03-11 1998-02-17 Belte av tekstil

Country Status (4)

Country Link
EP (1) EP0864689A3 (no)
CA (1) CA2231313C (no)
NO (1) NO980659L (no)
TW (1) TW402652B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080105392A1 (en) * 2006-11-03 2008-05-08 Duggirala Prasad Y Method and composition for improving fiber quality and process efficiency in mechanical pulping

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011895B2 (ja) * 1980-05-15 1985-03-28 日本蒸留工業株式会社 易分散性キノン組成物及びその製造法
NZ198901A (en) * 1980-12-01 1984-03-30 Kawasaki Kasei Chemicals Process for removing anthraquinone-type scale
US5032224A (en) * 1989-03-27 1991-07-16 Exxon Chemical Patent Inc. Method of producing pulp
JP3304145B2 (ja) * 1992-05-18 2002-07-22 日本蒸溜工業株式会社 パルプ蒸解助剤組成物
US5298120A (en) * 1992-06-09 1994-03-29 Michael Blackstone Composition for enhancing the pulping of wood chips

Also Published As

Publication number Publication date
CA2231313A1 (en) 1998-09-11
EP0864689A2 (en) 1998-09-16
CA2231313C (en) 2004-06-29
TW402652B (en) 2000-08-21
NO980659L (no) 1998-09-14
EP0864689A3 (en) 1999-06-16

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application