SE8306411L - Sett att delignifiera cellulosahaltigt material medelst oxygen - Google Patents

Sett att delignifiera cellulosahaltigt material medelst oxygen

Info

Publication number: SE8306411L
Authority: SE; Sweden
Prior art keywords: oxygen; delignify; cellulous material; cellulous; nitrolignine
Prior art date: 1983-11-21

Application number

SE8306411A

Other languages

English (en)

Other versions

SE8306411D0 (sv

SE440246B (sv

Inventor

T Iversen

J Walding

O S A G Lindeberg

Original Assignee

Svenska Traeforskningsinst

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.)

1983-11-21

Filing date

1983-11-21

Publication date

1985-05-22

1983-11-21 Application filed by Svenska Traeforskningsinst filed Critical Svenska Traeforskningsinst

1983-11-21 Priority to SE8306411A priority Critical patent/SE440246B/sv

1983-11-21 Publication of SE8306411D0 publication Critical patent/SE8306411D0/sv

1985-05-22 Publication of SE8306411L publication Critical patent/SE8306411L/sv

1985-07-22 Publication of SE440246B publication Critical patent/SE440246B/sv

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
239000000463 material Substances 0.000 title abstract 2
229910052760 oxygen Inorganic materials 0.000 title abstract 2
239000001301 oxygen Substances 0.000 title abstract 2
238000004061 bleaching Methods 0.000 abstract 1
229920002678 cellulose Polymers 0.000 abstract 1
239000001913 cellulose Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1

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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Paper (AREA)

SE8306411A 1983-11-21 1983-11-21 Sett att syrgasdelignifiera cellulosahaltigt material SE440246B (sv)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
SE8306411A SE440246B (sv)	1983-11-21	1983-11-21	Sett att syrgasdelignifiera cellulosahaltigt material

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8306411A SE440246B (sv)	1983-11-21	1983-11-21	Sett att syrgasdelignifiera cellulosahaltigt material

Publications (3)

Publication Number	Publication Date
SE8306411D0 SE8306411D0 (sv)	1983-11-21
SE8306411L true SE8306411L (sv)	1985-05-22
SE440246B SE440246B (sv)	1985-07-22

Family

ID=20353409

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8306411A SE440246B (sv)	1983-11-21	1983-11-21	Sett att syrgasdelignifiera cellulosahaltigt material

Country Status (1)

Country	Link
SE (1)	SE440246B (sv)

1983
- 1983-11-21 SE SE8306411A patent/SE440246B/sv not_active Application Discontinuation

Also Published As

Publication number	Publication date
SE8306411D0 (sv)	1983-11-21
SE440246B (sv)	1985-07-22

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Legal Events

Date

Code

Title

Description

1995-02-28

NAV

Patent application has lapsed

Ref document number: 8306411-3

Effective date: 19860610