SE450393B - Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning - Google Patents

Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning

Info

Publication number: SE450393B
Authority: SE; Sweden
Prior art keywords: oxygen; wood; nitrogen oxides; supplied; chips
Prior art date: 1981-10-27

Application number

SE8106326A

Other languages

English (en)

Swedish (sv)

Other versions

SE8106326L (sv

Inventor

H O Samuelson

E O S Hegglund

Original Assignee

Mo Och Domsjoe Ab

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.)

1981-10-27

Filing date

1981-10-27

Publication date

1987-06-22

1981-10-27 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1981-10-27 Priority to SE8106326A priority Critical patent/SE450393B/sv

1982-09-27 Priority to AU88717/82A priority patent/AU552494B2/en

1982-10-18 Priority to FI823559A priority patent/FI70266C/fi

1982-10-22 Priority to JP57186662A priority patent/JPS5881691A/ja

1982-10-25 Priority to AT0390882A priority patent/AT378378B/de

1982-10-26 Priority to US06/436,864 priority patent/US4750973A/en

1982-10-26 Priority to NO823564A priority patent/NO160384C/no

1982-10-26 Priority to CA000414223A priority patent/CA1180512A/en

1982-10-26 Priority to DE19823239608 priority patent/DE3239608A1/de

1982-10-27 Priority to FR8217974A priority patent/FR2515223B1/fr

1982-10-27 Priority to NZ202296A priority patent/NZ202296A/en

1983-04-28 Publication of SE8106326L publication Critical patent/SE8106326L/

1987-06-22 Publication of SE450393B publication Critical patent/SE450393B/sv

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
- D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

Paper (AREA)
Investigating Or Analysing Biological Materials (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)
Immobilizing And Processing Of Enzymes And Microorganisms (AREA)

SE8106326A 1981-10-27 1981-10-27 Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning SE450393B (sv)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
SE8106326A SE450393B (sv)	1981-10-27	1981-10-27	Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning
AU88717/82A AU552494B2 (en)	1981-10-27	1982-09-27	Producing cellulose pulp from wood using sulphate method
FI823559A FI70266C (fi)	1981-10-27	1982-10-18	Foerfarande foer framstaellning av cellulosamassa av ved enligt sulfatmetoden
JP57186662A JPS5881691A (ja)	1981-10-27	1982-10-22	サルフエ−ト法によつて木材からセルロ−スパルプを製造する方法
AT0390882A AT378378B (de)	1981-10-27	1982-10-25	Verfahren zur herstellung von zellulosemassen aus holz nach der sulfatmethode
US06/436,864 US4750973A (en)	1981-10-27	1982-10-26	Process for reducing carbohydrate losses in the sulfate pulping of wood by pretreating the wood with oxygen and nitrogen oxides
NO823564A NO160384C (no)	1981-10-27	1982-10-26	Fremgangsmaate ved fremstilling av cellulosemasse av ved ifoelge sulfatmetoden.
CA000414223A CA1180512A (en)	1981-10-27	1982-10-26	Process for reducing carbohydrate losses in the sulfate pulping of wood by pretreating the wood with oxygen and nitrogen oxides
DE19823239608 DE3239608A1 (de)	1981-10-27	1982-10-26	Verfahren zur herstellung von zellulosepulpe
FR8217974A FR2515223B1 (fr)	1981-10-27	1982-10-27	Procede de fabrication de pate cellulosique en partant de bois selon le procede au sulfate
NZ202296A NZ202296A (en)	1981-10-27	1982-10-27	Pretreatment of wood prior to sulphate cooking for manufacture of cellulose pulp

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8106326A SE450393B (sv)	1981-10-27	1981-10-27	Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning

Publications (2)

Publication Number	Publication Date
SE8106326L SE8106326L (sv)	1983-04-28
SE450393B true SE450393B (sv)	1987-06-22

Family

ID=20344889

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8106326A SE450393B (sv)	1981-10-27	1981-10-27	Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning

Country Status (11)

Country	Link
US (1)	US4750973A (fi)
JP (1)	JPS5881691A (fi)
AT (1)	AT378378B (fi)
AU (1)	AU552494B2 (fi)
CA (1)	CA1180512A (fi)
DE (1)	DE3239608A1 (fi)
FI (1)	FI70266C (fi)
FR (1)	FR2515223B1 (fi)
NO (1)	NO160384C (fi)
NZ (1)	NZ202296A (fi)
SE (1)	SE450393B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5043488A (en) *	1990-03-12	1991-08-27	J. G. S. Research Company, Inc.	Process for preparing an explosive and the product therefrom
FI96387C (fi) *	1994-09-19	2001-12-03	Kvaerner Pulping Oy	Menetelmä typen oksidien poistamiseksi sellutehtaan savukaasuista
NZ520518A (en) *	2000-02-09	2004-02-27	Akzo Nobel Nv	Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process
US6569285B2 (en) *	2000-02-09	2003-05-27	Akzo Nobel N.V.	Process for gas phase pretreating of lignocellulosic containing material
WO2004106624A1 (en) *	2003-06-03	2004-12-09	Pacific Pulp Resources Inc.	Method for producing pulp and lignin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2733992A (en) *		1956-02-07		reyerson
DE204460C (fi) *
GB438436A (en) *	1934-05-16	1935-11-18	Henry Dreyfus	Improvements in the production of cellulose and cellulosic products
US4076579A (en) *	1973-08-06	1978-02-28	The Regents Of The University Of California	Pulping of lignocellulosic material by sequential treatment thereof with nitric oxide and oxygen
GB1505070A (en) *	1974-06-11	1978-03-22	Canadian Ind	Process for bleaching of lignocellulosic material

1981
- 1981-10-27 SE SE8106326A patent/SE450393B/sv not_active IP Right Cessation
1982
- 1982-09-27 AU AU88717/82A patent/AU552494B2/en not_active Ceased
- 1982-10-18 FI FI823559A patent/FI70266C/fi not_active IP Right Cessation
- 1982-10-22 JP JP57186662A patent/JPS5881691A/ja active Granted
- 1982-10-25 AT AT0390882A patent/AT378378B/de not_active IP Right Cessation
- 1982-10-26 DE DE19823239608 patent/DE3239608A1/de active Granted
- 1982-10-26 US US06/436,864 patent/US4750973A/en not_active Expired - Fee Related
- 1982-10-26 CA CA000414223A patent/CA1180512A/en not_active Expired
- 1982-10-26 NO NO823564A patent/NO160384C/no unknown
- 1982-10-27 FR FR8217974A patent/FR2515223B1/fr not_active Expired
- 1982-10-27 NZ NZ202296A patent/NZ202296A/en unknown

Also Published As

Publication number	Publication date
DE3239608A1 (de)	1983-05-05
NZ202296A (en)	1986-01-24
FI70266B (fi)	1986-02-28
FI70266C (fi)	1986-09-15
FR2515223B1 (fr)	1986-08-22
FR2515223A1 (fr)	1983-04-29
SE8106326L (sv)	1983-04-28
NO160384C (no)	1989-04-12
CA1180512A (en)	1985-01-08
DE3239608C2 (fi)	1989-10-19
ATA390882A (de)	1984-12-15
AT378378B (de)	1985-07-25
NO823564L (no)	1983-04-28
JPS5881691A (ja)	1983-05-17
AU8871782A (en)	1983-05-05
NO160384B (no)	1989-01-02
US4750973A (en)	1988-06-14
FI823559A0 (fi)	1982-10-18
AU552494B2 (en)	1986-06-05
FI823559L (fi)	1983-04-28
JPH028074B2 (fi)	1990-02-22

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Legal Events

Date	Code	Title	Description
1995-01-31	NAL	Patent in force	Ref document number: 8106326-5 Format of ref document f/p: F
1997-07-07	NUG	Patent has lapsed	Ref document number: 8106326-5 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 8106326-5

Format of ref document f/p: F

1997-07-07

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Patent has lapsed