SE7511293L - Massaframstellningsprocess - Google Patents

Massaframstellningsprocess

Info

Publication number: SE7511293L
Authority: SE; Sweden
Prior art keywords: production process; mass production; lignocellulosic material; pulp; cooking treatment
Prior art date: 1974-10-09

Application number

SE7511293A

Other languages

English (en)

Other versions

SE452342B (sv

Inventor

Ya Wakai M Nomura

H Sato

Original Assignee

Honshu Paper Co Ltd

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.)

1974-10-09

Filing date

1975-10-08

Publication date

1976-04-12

1974-10-09 Priority claimed from JP11548674A external-priority patent/JPS5143403A/ja

1975-03-26 Priority claimed from JP3645075A external-priority patent/JPS51112903A/ja

1975-10-08 Application filed by Honshu Paper Co Ltd filed Critical Honshu Paper Co Ltd

1976-04-12 Publication of SE7511293L publication Critical patent/SE7511293L/sv

1987-11-23 Publication of SE452342B publication Critical patent/SE452342B/sv

Links

238000004519 manufacturing process Methods 0.000 title 1
238000010411 cooking Methods 0.000 abstract 2
239000012978 lignocellulosic material Substances 0.000 abstract 2
238000000034 method Methods 0.000 abstract 2
229920002488 Hemicellulose Polymers 0.000 abstract 1
230000007062 hydrolysis Effects 0.000 abstract 1
238000006460 hydrolysis reaction Methods 0.000 abstract 1
229920005610 lignin Polymers 0.000 abstract 1
AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 abstract 1
-1 quinone compound Chemical class 0.000 abstract 1
239000000126 substance Substances 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
- D21C3/003—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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
- 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)

SE7511293A 1974-10-09 1975-10-08 Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling SE452342B (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP11548674A JPS5143403A (en)	1974-10-09	1974-10-09	Arukariparupuno seizohoho
JP3645075A JPS51112903A (en)	1975-03-26	1975-03-26	Process for digesting lignocellulose material with sulphites

Publications (2)

Publication Number	Publication Date
SE7511293L true SE7511293L (sv)	1976-04-12
SE452342B SE452342B (sv)	1987-11-23

Family

ID=26375511

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7511293A SE452342B (sv)	1974-10-09	1975-10-08	Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling

Country Status (2)

Country	Link
CA (1)	CA1079906A (sv)
SE (1)	SE452342B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5728265A (en) *	1995-06-12	1998-03-17	Henkel Corporation	Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane

1975
- 1975-10-08 SE SE7511293A patent/SE452342B/sv not_active IP Right Cessation
- 1975-10-09 CA CA237,371A patent/CA1079906A/en not_active Expired

Also Published As

Publication number	Publication date
CA1079906A (en)	1980-06-24
SE452342B (sv)	1987-11-23

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CA873234A (en)	1971-06-15	Process for increasing the yield of high lignin content kraft pulp

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1995-01-31

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