SE8703541L - Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning - Google Patents

Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning

Info

Publication number: SE8703541L
Authority: SE; Sweden
Prior art keywords: works; combination; paper pulp; bleaching process; oxygen delignification
Prior art date: 1987-09-14

Application number

SE8703541A

Other languages

English (en)

Other versions

SE8703541D0 (sv

Inventor

N Mannbro

Original Assignee

Mannbro Systems Hb

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.)

1987-09-14

Filing date

1987-09-14

Publication date

1989-03-15

1987-09-14 Application filed by Mannbro Systems Hb filed Critical Mannbro Systems Hb

1987-09-14 Priority to SE8703541A priority Critical patent/SE8703541L/sv

1987-09-14 Publication of SE8703541D0 publication Critical patent/SE8703541D0/sv

1989-03-15 Publication of SE8703541L publication Critical patent/SE8703541L/sv

Links

238000000034 method Methods 0.000 title abstract 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title abstract 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
229910052760 oxygen Inorganic materials 0.000 title abstract 2
239000001301 oxygen Substances 0.000 title abstract 2
229910021653 sulphate ion Inorganic materials 0.000 title abstract 2
229920001131 Pulp (paper) Polymers 0.000 title 1
238000004061 bleaching Methods 0.000 title 1
238000009835 boiling Methods 0.000 title 1
239000003513 alkali Substances 0.000 abstract 2
230000029087 digestion Effects 0.000 abstract 1
150000002681 magnesium compounds Chemical class 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen

Landscapes

Paper (AREA)

SE8703541A 1987-09-14 1987-09-14 Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning SE8703541L (sv)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
SE8703541A SE8703541L (sv)	1987-09-14	1987-09-14	Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8703541A SE8703541L (sv)	1987-09-14	1987-09-14	Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning

Publications (2)

Publication Number	Publication Date
SE8703541D0 SE8703541D0 (sv)	1987-09-14
SE8703541L true SE8703541L (sv)	1989-03-15

Family

ID=20369555

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8703541A SE8703541L (sv)	1987-09-14	1987-09-14	Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning

Country Status (1)

Country	Link
SE (1)	SE8703541L (sv)

1987
- 1987-09-14 SE SE8703541A patent/SE8703541L/sv not_active Application Discontinuation

Also Published As

Publication number	Publication date
SE8703541D0 (sv)	1987-09-14

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Legal Events

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Title

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1995-02-28

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