FI884432A - Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas - Google Patents

Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas Download PDF

Info

Publication number: FI884432A
Authority: FI; Finland
Prior art keywords: gas; lignocellulosic material; activating; containing gas; separated
Prior art date: 1987-09-28

Application number

FI884432A

Other languages

English (en)

Finnish (fi)

Other versions

FI93231B (sv

FI884432A0 (sv

FI93231C (sv

Inventor

Hans Olof Samuelson

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.)

1987-09-28

Filing date

1988-09-27

Publication date

1989-03-29

1988-09-27 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1988-09-27 Publication of FI884432A0 publication Critical patent/FI884432A0/sv

1989-03-29 Publication of FI884432A publication Critical patent/FI884432A/sv

1994-11-30 Publication of FI93231B publication Critical patent/FI93231B/sv

1995-03-10 Application granted granted Critical

1995-03-10 Publication of FI93231C publication Critical patent/FI93231C/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
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

Landscapes

Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)
Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Chemical And Physical Treatments For Wood And The Like (AREA)
Compounds Of Unknown Constitution (AREA)
Investigating Or Analysing Biological Materials (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)

FI884432A 1987-09-28 1988-09-27 Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas FI93231C (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE8703718A SE460543B (sv)	1987-09-28	1987-09-28	Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas
SE8703718		1987-09-28

Publications (4)

Publication Number	Publication Date
FI884432A0 FI884432A0 (sv)	1988-09-27
FI884432A true FI884432A (sv)	1989-03-29
FI93231B FI93231B (sv)	1994-11-30
FI93231C FI93231C (sv)	1995-03-10

Family

ID=20369679

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI884432A FI93231C (sv)	1987-09-28	1988-09-27	Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas

Country Status (12)

Country	Link
EP (1)	EP0309998B1 (sv)
JP (1)	JP2510424B2 (sv)
AT (1)	ATE101886T1 (sv)
AU (1)	AU605913B2 (sv)
CA (1)	CA1301412C (sv)
DE (1)	DE3887948T2 (sv)
ES (1)	ES2049234T3 (sv)
FI (1)	FI93231C (sv)
NO (1)	NO172698C (sv)
NZ (1)	NZ226104A (sv)
SE (1)	SE460543B (sv)
ZA (1)	ZA887229B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE9200183L (sv) *	1992-01-23	1993-07-24	Kamyr Ab	Avskiljningsanordning samt foerfarande

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4165253A (en) *	1978-07-20	1979-08-21	Ivanov Mikhail A	Process for producing pulp
SE421938B (sv) *	1980-06-05	1982-02-08	Mo Och Domsjoe Ab	Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning
SE451023B (sv) *	1985-12-10	1987-08-24	Mo Och Domsjoe Ab	Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas

1987
- 1987-09-28 SE SE8703718A patent/SE460543B/sv not_active IP Right Cessation
1988
- 1988-09-09 NZ NZ226104A patent/NZ226104A/xx unknown
- 1988-09-14 CA CA000577358A patent/CA1301412C/en not_active Expired - Fee Related
- 1988-09-27 NO NO884279A patent/NO172698C/no unknown
- 1988-09-27 ZA ZA887229A patent/ZA887229B/xx unknown
- 1988-09-27 EP EP88115896A patent/EP0309998B1/en not_active Expired - Lifetime
- 1988-09-27 FI FI884432A patent/FI93231C/sv not_active IP Right Cessation
- 1988-09-27 ES ES88115896T patent/ES2049234T3/es not_active Expired - Lifetime
- 1988-09-27 DE DE3887948T patent/DE3887948T2/de not_active Expired - Fee Related
- 1988-09-27 AT AT88115896T patent/ATE101886T1/de active
- 1988-09-27 JP JP63242205A patent/JP2510424B2/ja not_active Expired - Lifetime
- 1988-09-27 AU AU22832/88A patent/AU605913B2/en not_active Ceased

Also Published As

Publication number	Publication date
NO884279L (no)	1989-03-29
EP0309998A2 (en)	1989-04-05
NO884279D0 (no)	1988-09-27
JP2510424B2 (ja)	1996-06-26
EP0309998A3 (en)	1991-07-17
EP0309998B1 (en)	1994-02-23
AU2283288A (en)	1989-04-06
NZ226104A (en)	1990-05-28
SE460543B (sv)	1989-10-23
ATE101886T1 (de)	1994-03-15
NO172698B (no)	1993-05-18
FI93231B (sv)	1994-11-30
DE3887948D1 (de)	1994-03-31
AU605913B2 (en)	1991-01-24
ZA887229B (en)	1989-06-28
ES2049234T3 (es)	1994-04-16
CA1301412C (en)	1992-05-26
DE3887948T2 (de)	1994-08-18
JPH01104894A (ja)	1989-04-21
SE8703718L (sv)	1989-03-29
SE8703718D0 (sv)	1987-09-28
FI884432A0 (sv)	1988-09-27
FI93231C (sv)	1995-03-10
NO172698C (no)	1993-08-25

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: MO OCH DOMSJOE AKTIEBOLAG