DE69103259T2 - Verfahren zum Wasserstoffperoxydbleichen von Hochausbeutezellstoffen. - Google Patents

Verfahren zum Wasserstoffperoxydbleichen von Hochausbeutezellstoffen.

Info

Publication number
DE69103259T2
DE69103259T2 DE1991603259 DE69103259T DE69103259T2 DE 69103259 T2 DE69103259 T2 DE 69103259T2 DE 1991603259 DE1991603259 DE 1991603259 DE 69103259 T DE69103259 T DE 69103259T DE 69103259 T2 DE69103259 T2 DE 69103259T2
Authority
DE
Germany
Prior art keywords
hydrogen peroxide
peroxide bleaching
yield pulps
pulps
yield
Prior art date
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 - Fee Related
Application number
DE1991603259
Other languages
English (en)
Other versions
DE69103259D1 (de
Inventor
Michel Devic
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.)
Arkema France SA
Original Assignee
Elf Atochem SA
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.)
Filing date
Publication date
Application filed by Elf Atochem SA filed Critical Elf Atochem SA
Priority claimed from EP91401317A external-priority patent/EP0514609B1/de
Publication of DE69103259D1 publication Critical patent/DE69103259D1/de
Application granted granted Critical
Publication of DE69103259T2 publication Critical patent/DE69103259T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE1991603259 1991-05-22 1991-05-22 Verfahren zum Wasserstoffperoxydbleichen von Hochausbeutezellstoffen. Expired - Fee Related DE69103259T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91401317A EP0514609B1 (de) 1990-04-30 1991-05-22 Verfahren zum Wasserstoffperoxydbleichen von Hochausbeutezellstoffen

Publications (2)

Publication Number Publication Date
DE69103259D1 DE69103259D1 (de) 1994-09-08
DE69103259T2 true DE69103259T2 (de) 1995-03-16

Family

ID=8208570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991603259 Expired - Fee Related DE69103259T2 (de) 1991-05-22 1991-05-22 Verfahren zum Wasserstoffperoxydbleichen von Hochausbeutezellstoffen.

Country Status (2)

Country Link
AT (1) ATE109529T1 (de)
DE (1) DE69103259T2 (de)

Also Published As

Publication number Publication date
ATE109529T1 (de) 1994-08-15
DE69103259D1 (de) 1994-09-08

Similar Documents

Publication Publication Date Title
ATE105599T1 (de) Verfahren zum chlorfreien bleichen von zellstoffen.
DE3775688D1 (de) Verfahren zum bleichen von cellulosepulpen mittels wasserstoffperoxid.
FI945287A0 (fi) Menetelmä massan valkaisemiseksi käyttämällä klooripitoisia kemikaaleja
MY105354A (en) Bleach catalysts and compositions containing same
NO895234D0 (no) Hydrogenperoksyd-blekeprosess.
DE69230034D1 (de) Peroxidbleichverfahren
FI944928A0 (fi) Menetelmä kemiallisen paperimassan valkaisemiseksi
IT8522761A0 (it) Metodo per controllare un processo di imbianchimento ad ossigeno di cellulosa.
FI99154B (fi) Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun
DE68912543T2 (de) Verfahren zum Bleichen von tintenfreiem Zellstoff.
FI99153B (fi) Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun
NO301491B1 (no) Fremgangsmåte for bleking av kjemisk papirmasse, spesielt kraftmasse
DE69103259D1 (de) Verfahren zum Wasserstoffperoxydbleichen von Hochausbeutezellstoffen.
DE69103407T2 (de) Verfahren zum Wasserstoffperoxydbleichen von Hochausbeute-Zellstoffen.
DE59207155D1 (de) Verfahren zum Bleichen von cellulosehältigem Material
DE313478T1 (de) Verfahren zum bleichen von pulpen.
FI934056A0 (fi) Menetelmä massan valkaisemiseksi
FI955151A0 (fi) Menetelmä puumassan monivaiheista valkaisua varten
DE59203937D1 (de) Verfahren zum Waschen und Bleichen von Wäsche.
EP0676499A3 (de) Verfahren zum Bleichen von Textilien.
TH20287EX (th) กรรมวิธีสำหรับใช้ฟอกสีเยื่อกระดาษจากไม้เนื้อแข็ง
FI943388A (fi) Menetelmä paperimassan valkaisemiseksi
CU21352A (es) Blanqueo de pulpas quimicas de bagazo utilizando peroxido de hidrogeno
SE9603630D0 (sv) Förfarande för blekning av massa
DE69406457D1 (de) Ozonbleichverfahren für zellstoff

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee