DE3590512C2 - - Google Patents

Info

Publication number: DE3590512C2
Authority: DE; Germany
Prior art keywords: sulfite; sulfide; digestion; quinoid; cooking liquid
Prior art date: 1984-10-10
Legal status (The legal status 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 status listed.): Expired

Application number

DE3590512A

Other languages

German (de)

English (en)

Other versions

DE3590512T1 (de

Inventor

Ants Taeby Se Teder

Leelo Saltsjoebaden Se Olm

Jan-Erik Taeby Se Wiken

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

SVENSKA TRAEFORSKNINGSINSTITUTET STOCKHOLM SE

Original Assignee

SVENSKA TRAEFORSKNINGSINSTITUTET STOCKHOLM SE

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.)

1984-10-10

Filing date

1985-08-29

Publication date

1988-12-01

1985-08-29 Application filed by SVENSKA TRAEFORSKNINGSINSTITUTET STOCKHOLM SE filed Critical SVENSKA TRAEFORSKNINGSINSTITUTET STOCKHOLM SE

1988-12-01 Application granted granted Critical

1988-12-01 Publication of DE3590512C2 publication Critical patent/DE3590512C2/de

Status Expired legal-status Critical Current

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
- D21C3/04—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
- D21C3/12—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites sodium bisulfite
- 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)

DE3590512A 1984-10-10 1985-08-29 Expired DE3590512C2 ( )

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8405061A SE453841C (sv)	1984-10-10	1984-10-10	Framstaellning av cellulosamassa med sulfit-sulfidkokvaetska

Publications (1)

Publication Number	Publication Date
DE3590512C2 true DE3590512C2 ( )	1988-12-01

Family

ID=20357301

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE19853590512 Pending DE3590512T1 (de)	1984-10-10	1985-08-29	Verfahren zur Herstellung von Cellulosepulpe
DE3590512A Expired DE3590512C2 ( )	1984-10-10	1985-08-29

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE19853590512 Pending DE3590512T1 (de)	1984-10-10	1985-08-29	Verfahren zur Herstellung von Cellulosepulpe

Country Status (10)

Country	Link
US (1)	US4786365A ( )
JP (1)	JPS62500390A ( )
AU (1)	AU4805585A ( )
CA (1)	CA1262503A ( )
DE (2)	DE3590512T1 ( )
FI (1)	FI862439A ( )
FR (1)	FR2571393B1 ( )
NZ (1)	NZ213768A ( )
SE (1)	SE453841C ( )
WO (1)	WO1986002393A1 ( )

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5405496A (en) *	1989-11-23	1995-04-11	Chemrec Ab	Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking
US20020062935A1 (en) *	1995-12-27	2002-05-30	Weyerhaeuser Company	Paper and absorbent products with reduced pitch content
JP4362364B2 (ja) *	2001-06-29	2009-11-11	フォイトペイパーフィーバージュステームズゲーエムベーハーウントコーカーゲー	リグノセルロース原料の脱リグニン方法
DE102007022751A1 (de) *	2007-05-11	2008-11-13	Voith Patent Gmbh	Ablauge eines Sulfitaufschlusses
CN109537342A (zh) *	2018-11-08	2019-03-29	福建省青山纸业股份有限公司	一种添加亚硫酸钠的硫酸盐制浆工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4363700A (en) *	1977-12-14	1982-12-14	Oji Paper Co., Ltd.	Process for pulping lignocellulosic material with an alkaline sulfide cooking liquor containing an accelerating additive and reducing assistant

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE309181C (de) *	1916-08-06	1922-06-15	Carl Alfred Braun	Verfahren zur Erzeugung von Halbzellstoffen aus stark verholzten Pflanzen, wie Holz usw. sowie Ganzzellstoffen oder verspinnbaren Textilfasern aus schwach verholzten Pflanzen wie Jute, Manilahanf, Schilf, Typha, Brennesseln usw.
US1860803A (en) *	1926-07-03	1932-05-31	Bradley Mckeefe Corp	Production of pulp, etc
US1974751A (en) *	1934-01-06	1934-09-25	Brown Co	Chemical pulping process
FR1005988A (fr) *	1947-10-24	1952-04-17		Procédé d'extraction de cellulose à partir des végétaux
DE1198666B (de) *	1961-10-20	1965-08-12	Metallgesellschaft Ag	Verfahren zur Erzeugung von Zellstoff
JPS5143403A (en) *	1974-10-09	1976-04-14	Honshu Paper Co Ltd	Arukariparupuno seizohoho
JPS51112903A (en) *	1975-03-26	1976-10-05	Honshu Paper Co Ltd	Process for digesting lignocellulose material with sulphites
CA1073161A (en) *	1975-09-05	1980-03-11	Canadian Industries Limited	Delignification process
ZA773044B (en) *	1976-06-02	1978-04-26	Australian Paper Manufacturers	Improvements in pulping processes
JPS55142785A (en) *	1979-04-26	1980-11-07	Oji Paper Co	Digestion of lignocellulose material

1984
- 1984-10-10 SE SE8405061A patent/SE453841C/sv not_active IP Right Cessation
1985
- 1985-08-29 WO PCT/SE1985/000321 patent/WO1986002393A1/en active Application Filing
- 1985-08-29 AU AU48055/85A patent/AU4805585A/en not_active Abandoned
- 1985-08-29 DE DE19853590512 patent/DE3590512T1/de active Pending
- 1985-08-29 DE DE3590512A patent/DE3590512C2/de not_active Expired
- 1985-08-29 JP JP60503951A patent/JPS62500390A/ja active Granted
- 1985-10-08 FR FR8514862A patent/FR2571393B1/fr not_active Expired
- 1985-10-09 NZ NZ213768A patent/NZ213768A/xx unknown
- 1985-10-09 CA CA000492593A patent/CA1262503A/en not_active Expired
1986
- 1986-06-06 FI FI862439A patent/FI862439A/fi not_active Application Discontinuation
1988
- 1988-02-16 US US07/158,099 patent/US4786365A/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4363700A (en) *	1977-12-14	1982-12-14	Oji Paper Co., Ltd.	Process for pulping lignocellulosic material with an alkaline sulfide cooking liquor containing an accelerating additive and reducing assistant

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
STFI-Kontakt, 1978, Nr. 5 *
Svensk Papperstidning, 76, 1973, 5, S. 122 *
Svensk Papperstidning, 76, 1973, 5, S. 182 *
TAPPI, 53, 1970, 8, S. 1451-1457 *

Also Published As

Publication number	Publication date
FI862439A0 (fi)	1986-06-06
NZ213768A (en)	1988-07-28
SE8405061D0 (sv)	1984-10-10
FI862439A (fi)	1986-06-06
CA1262503A (en)	1989-10-31
JPS62500390A (ja)	1987-02-19
FR2571393B1 (fr)	1988-10-28
DE3590512T1 (de)	1986-09-18
SE8405061L (sv)	1986-04-11
JPH0215669B2 ( )	1990-04-12
WO1986002393A1 (en)	1986-04-24
FR2571393A1 (fr)	1986-04-11
SE453841C (sv)	1990-04-30
SE453841B (sv)	1988-03-07
US4786365A (en)	1988-11-22
AU4805585A (en)	1986-05-02

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Legal Events

Date	Code	Title
1987-02-05	8110	Request for examination paragraph 44
1988-12-01	D2	Grant after examination
1989-05-24	8364	No opposition during term of opposition
1993-08-05	8339	Ceased/non-payment of the annual fee