DE3601808A1 - Verfahren zur behandlung einer cellulosepulpe - Google Patents

Verfahren zur behandlung einer cellulosepulpe

Info

Publication number: DE3601808A1
Authority: DE; Germany
Prior art keywords: pulp; foam; oxygen; stage; cellulose pulp
Prior art date: 1985-01-24
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.): Granted

Application number

DE19863601808

Other languages

German (de)

English (en)

Other versions

DE3601808C2 (sv

Inventor

Lars Täby Blomberg

Ingemar Stockholm Croon

Sven-Göran Akersberga Svensson

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.)

AGA AB

Original Assignee

AGA 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.)

1985-01-24

Filing date

1986-01-22

Publication date

1986-07-24

1986-01-22 Application filed by AGA AB filed Critical AGA AB

1986-07-24 Publication of DE3601808A1 publication Critical patent/DE3601808A1/de

1988-12-08 Application granted granted Critical

1988-12-08 Publication of DE3601808C2 publication Critical patent/DE3601808C2/de

Status Granted legal-status Critical Current

Links

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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

DE19863601808 1985-01-24 1986-01-22 Verfahren zur behandlung einer cellulosepulpe Granted DE3601808A1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8500342A SE452896B (sv)	1985-01-24	1985-01-24	Forfarande for behandling av cellulosamassor

Publications (2)

Publication Number	Publication Date
DE3601808A1 true DE3601808A1 (de)	1986-07-24
DE3601808C2 DE3601808C2 (sv)	1988-12-08

Family

ID=20358888

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19863601808 Granted DE3601808A1 (de)	1985-01-24	1986-01-22	Verfahren zur behandlung einer cellulosepulpe

Country Status (8)

Country	Link
JP (1)	JPS61201094A (sv)
BR (1)	BR8600268A (sv)
CH (1)	CH668788A5 (sv)
DE (1)	DE3601808A1 (sv)
FI (1)	FI78326C (sv)
FR (1)	FR2576331B1 (sv)
NO (1)	NO860249L (sv)
SE (1)	SE452896B (sv)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1988007102A1 (en) *	1987-03-13	1988-09-22	Aga Aktiebolag	An improved method in gas processing
CN110670400A (zh) *	2019-09-25	2020-01-10	泉州洛江润美机械科技有限公司	一种用于卫生巾艾绒芯片立式蒸煮釜

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE390549B (sv) *	1973-12-20	1976-12-27	Ahlstroem Oy	Sett att bleka cellulosahaltigt material med syre eller fritt syre innehallande gas i alkalisk miljo

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE126265C (sv) *
JPS5249306A (en) *	1975-10-20	1977-04-20	Toyo Pulp Co Ltd	Process for bleaching pulp under normal pressure with air bubble
JPS5299302A (en) *	1976-02-13	1977-08-20	Toyo Pulp Co Ltd	Process for separating lignin from cellulose fiber
SE462919B (sv) *	1979-05-11	1990-09-17	Sunds Defibrator Ind Ab	Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre

1985
- 1985-01-24 SE SE8500342A patent/SE452896B/sv not_active IP Right Cessation
1986
- 1986-01-21 CH CH218/86A patent/CH668788A5/de not_active IP Right Cessation
- 1986-01-22 DE DE19863601808 patent/DE3601808A1/de active Granted
- 1986-01-23 BR BR8600268A patent/BR8600268A/pt unknown
- 1986-01-23 FI FI860328A patent/FI78326C/sv not_active IP Right Cessation
- 1986-01-23 JP JP61012930A patent/JPS61201094A/ja active Pending
- 1986-01-23 NO NO860249A patent/NO860249L/no unknown
- 1986-01-24 FR FR8601014A patent/FR2576331B1/fr not_active Expired

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE390549B (sv) *	1973-12-20	1976-12-27	Ahlstroem Oy	Sett att bleka cellulosahaltigt material med syre eller fritt syre innehallande gas i alkalisk miljo

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1988007102A1 (en) *	1987-03-13	1988-09-22	Aga Aktiebolag	An improved method in gas processing
CN110670400A (zh) *	2019-09-25	2020-01-10	泉州洛江润美机械科技有限公司	一种用于卫生巾艾绒芯片立式蒸煮釜
CN110670400B (zh) *	2019-09-25	2020-11-27	刘澄	一种用于卫生巾艾绒芯片立式蒸煮釜

Also Published As

Publication number	Publication date
NO860249L (no)	1986-07-25
BR8600268A (pt)	1986-10-07
FI78326B (fi)	1989-03-31
SE452896B (sv)	1987-12-21
SE8500342L (sv)	1986-07-25
FR2576331B1 (fr)	1988-06-17
FR2576331A1 (fr)	1986-07-25
CH668788A5 (de)	1989-01-31
JPS61201094A (ja)	1986-09-05
DE3601808C2 (sv)	1988-12-08
FI860328A0 (fi)	1986-01-23
FI860328A (fi)	1986-07-25
SE8500342D0 (sv)	1985-01-24
FI78326C (sv)	1989-07-10

Similar Documents

Publication	Publication Date	Title
DE2410934C2 (de)	1983-12-01	Kontinuierliches Verfahren zum Bleichen und Entfernen von Lignin aus Zellstoff
DE69028797T2 (de)	1997-03-06	Verfahren zum Bleichen von Zellstoff mit Ozon
DE3017712C2 (de)	1986-11-06	Verfahren zur alkalischen Extraktion von Fasermaterial enthaltenden Cellulosesuspensionen nach Behandlung mit Chlor oder Chlordioxid oder Mischungen davon
DE2022866A1 (de)	1970-12-23	Verfahren zur Behandlung von zelluloseartigem Material
DE69204461T2 (de)	1996-03-07	Bleichverfahren mittels ozone.
DE2100703A1 (de)	1971-07-15	Verfahren und Vorrichtung zum Bleichen von Lignocellulosematerial
DE2130164B2 (de)	1973-08-23	Verfahren zur herstellung von holzpulpe
EP0087553B1 (de)	1986-07-30	Verfahren zur Herstellung von halbgebleichten Zellstoffen
DE69210692T2 (de)	1997-01-23	Diskontinuierliches Verfahren zur Herstellung von Kraft-Zellstoffen
AT396129B (de)	1993-06-25	Verfahren zum bleichen von cellulosebrei
DE68913204T2 (de)	1994-09-01	Vorrichtung und verfahren zur herstellung von papierpulpe, pappe, faserbrettern und ähnlichen erzeugnissen.
DE69308831T2 (de)	1997-07-31	Verfahren zur zellstoffherstellung
DE3601808C2 (sv)	1988-12-08
AT393701B (de)	1991-12-10	Verfahren zum bleichen von cellulosehaeltigen materialien sowie anlage zur durchfuehrung des verfahrens
DE1692826A1 (de)	1971-10-21	Verfahren zur Herstellung von Holzpulpe
AT395445B (de)	1992-12-28	Verfahren zum bleichen von cellulosehaeltigem material
DE2460144B2 (de)	1977-03-03	Verfahren zum bleichen von zellstoffhaltigem material
AT395444B (de)	1992-12-28	Verfahren zum bleichen von cellulosebrei
DE1546246B2 (de)	1976-10-07	Verfahren zum bleichen von faserigem material
DE2601380A1 (de)	1976-07-29	Verfahren zur herstellung von gebleichter mechanischer pulpe
AT404740B (de)	1999-02-25	Verfahren zum chlorfreien bleichen von zellstoffen
DE2640885C3 (de)	1979-02-22	Verfahren zur Herstellung von Zellstoff nach dem Sulfitverfahren
DE2718398C3 (de)	1979-03-15	Verfahren zur Behandlung von lignozellulosehaltigem Material mit Chlor
DE1546252C (de)	1972-01-20	Verfahren zum Bleichen von Holzpulpen mit niedrigem Zellulosegehalt
AT400154B (de)	1995-10-25	Verfahren zum bleichen cellulosehältiger materialien

Legal Events

Date	Code	Title
1987-03-05	8110	Request for examination paragraph 44
1988-12-08	D2	Grant after examination
1989-06-01	8364	No opposition during term of opposition
1991-01-17	8339	Ceased/non-payment of the annual fee