FI103819B1 - Process for pretreating pulp which is to be bleached with peroxide - Google Patents

Process for pretreating pulp which is to be bleached with peroxide

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
Finnish (fi)
Swedish (sv)
Other versions
FI953343A (en
FI103819B (en
FI953343A0 (en
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/en
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Publication of FI953343A0 publication Critical patent/FI953343A0/en
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/en
Application granted granted Critical
Publication of FI103819B1 publication Critical patent/FI103819B1/en
Publication of FI103819B publication Critical patent/FI103819B/en

Links

FI953343A 1995-02-17 1995-07-06 Method for pretreating pulp to be bleached with peroxide FI103819B (en)

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 (en) 1995-02-17 1995-02-17 Method for pretreating pulp to be bleached with peroxide
SE9502087 1995-06-07
SE9502087A SE516688E (en) 1995-02-17 1995-06-07 Treatment of pulp before peroxide bleaching with acid and complexing agents

Publications (4)

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

Family

ID=26159918

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953343A FI103819B (en) 1995-02-17 1995-07-06 Method for pretreating pulp to be bleached with peroxide

Country Status (1)

Country Link
FI (1) FI103819B (en)

Also Published As

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

Similar Documents

Publication Publication Date Title
AR243946A1 (en) Process for the chlorine-free bleaching of pulp
GB2296726B (en) Process for making refined cellulose
PL318529A1 (en) N-alkyloammonioacetonitrile bleaching process activators
AU7840787A (en) Improved process for the bleaching of cellulosic pulps using hydrogen peroxide
AU4271596A (en) Process for treating refiner pulp
AU660435B2 (en) Method of pretreating lignocellulosic materials prior to alkaline peroxide high yield pulping
AU9128291A (en) Method for supplying pressurized continuous digesters to obtain cellulose pulp
AU1797497A (en) Process for bleaching of a high yield pulp
AU3602295A (en) Process for delignification and bleaching of chemical wood pulps
ZA931096B (en) Modified digestion of paper pulp followed by ozone bleaching
AU5892094A (en) Novel method of bleaching of lignocellulosic pulp using persulphate
FI103817B1 (en) Process for pretreating pulp which is to be bleached with peroxide
FI103819B1 (en) Process for pretreating pulp which is to be bleached with peroxide
ZA955827B (en) Bleaching of high consistency lignocellulosic pulp
AU5400294A (en) Method for peroxide bleaching of sulphate pulp
EP0720676A4 (en) Improved method for bleaching lignocellulosic pulp
AU1797297A (en) Process for bleaching of chemical pulp
NO950954D0 (en) Process of bleaching pulp
EG21211A (en) Process of bleaching fabrics
AU6325596A (en) Bleaching of lignocellulosic pulp with ozone and peracid
AU1168892A (en) Process for bleaching pulp
ZA967931B (en) Bleaching of pulp
AU4097593A (en) A method of bleaching cellulosic fibre material with ozone
AU8008094A (en) Process for bleaching of pulp for paper making using hydrogen peroxide
AU1797597A (en) Process for bleaching of a high yield pulp

Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY