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FI103819B1 - Förfarande för förbehandling av massa som skall blekas med peroxid - Google Patents

Förfarande för förbehandling av massa som skall blekas med peroxid

Info

Publication number
FI103819B1
FI103819B1 FI953343A FI953343A FI103819B1 FI 103819 B1 FI103819 B1 FI 103819B1 FI 953343 A FI953343 A FI 953343A FI 953343 A FI953343 A FI 953343A FI 103819 B1 FI103819 B1 FI 103819B1
Authority
FI
Finland
Prior art keywords
bleached
peroxide
pretreating
pulp
pretreating pulp
Prior art date
Application number
FI953343A
Other languages
English (en)
Finnish (fi)
Other versions
FI953343A (sv
FI953343A0 (sv
FI103819B (sv
Inventor
Kaj Henricson
Olavi Pikka
Original Assignee
Ahlstrom Machinery Oy
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
Priority claimed from FI950749A external-priority patent/FI103817B/sv
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Publication of FI953343A0 publication Critical patent/FI953343A0/sv
Priority to US08/875,424 priority Critical patent/US6736934B1/en
Priority to CA002211223A priority patent/CA2211223C/en
Priority to EP96902301A priority patent/EP0858526A1/en
Priority to PCT/FI1996/000090 priority patent/WO1996025552A1/en
Publication of FI953343A publication Critical patent/FI953343A/sv
Application granted granted Critical
Publication of FI103819B1 publication Critical patent/FI103819B1/sv
Publication of FI103819B publication Critical patent/FI103819B/sv

Links

FI953343A 1995-02-17 1995-07-06 Förfarande för förbehandling av massa som skall blekas med peroxid FI103819B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US08/875,424 US6736934B1 (en) 1995-02-17 1996-02-16 Method of pretreating pulp in an acid tower prior to bleaching with peroxide
CA002211223A CA2211223C (en) 1995-02-17 1996-02-16 Method of pretreating pulp to be bleached with peroxide
EP96902301A EP0858526A1 (en) 1995-02-17 1996-02-16 Method of pretreating pulp to be bleached with peroxide
PCT/FI1996/000090 WO1996025552A1 (en) 1995-02-17 1996-02-16 Method of pretreating pulp to be bleached with peroxide

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI950749 1995-02-17
FI950749A FI103817B (sv) 1995-02-17 1995-02-17 Förfarande för förbehandling av massa som skall blekas med peroxid
SE9502087A SE516688E (sv) 1995-02-17 1995-06-07 Behandling av massa före peroxidblekning med syra och komplexbildare
SE9502087 1995-06-07

Publications (4)

Publication Number Publication Date
FI953343A0 FI953343A0 (sv) 1995-07-06
FI953343A FI953343A (sv) 1996-08-18
FI103819B1 true FI103819B1 (sv) 1999-09-30
FI103819B FI103819B (sv) 1999-09-30

Family

ID=26159918

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953343A FI103819B (sv) 1995-02-17 1995-07-06 Förfarande för förbehandling av massa som skall blekas med peroxid

Country Status (1)

Country Link
FI (1) FI103819B (sv)

Also Published As

Publication number Publication date
FI953343A (sv) 1996-08-18
FI953343A0 (sv) 1995-07-06
FI103819B (sv) 1999-09-30

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY