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FI905380L - FOERFARANDE FOER BEHANDLING AV ALKALILOESNING. - Google Patents

FOERFARANDE FOER BEHANDLING AV ALKALILOESNING. Download PDF

Info

Publication number
FI905380L
FI905380L FI905380A FI905380A FI905380L FI 905380 L FI905380 L FI 905380L FI 905380 A FI905380 A FI 905380A FI 905380 A FI905380 A FI 905380A FI 905380 L FI905380 L FI 905380L
Authority
FI
Finland
Prior art keywords
alkaliloesning
foerfarande foer
foer behandling
behandling
ozone
Prior art date
Application number
FI905380A
Other languages
Finnish (fi)
Other versions
FI87091B (en
FI905380A0 (en
FI87091C (en
Inventor
Erkki Malmsten
Jarkko Lepo
Asko Maikola
Original Assignee
Rauma Repola 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
Application filed by Rauma Repola Oy filed Critical Rauma Repola Oy
Priority to FI905380A priority Critical patent/FI87091C/en
Publication of FI905380A0 publication Critical patent/FI905380A0/en
Publication of FI905380L publication Critical patent/FI905380L/en
Publication of FI87091B publication Critical patent/FI87091B/en
Application granted granted Critical
Publication of FI87091C publication Critical patent/FI87091C/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

The invention concerns a method for treatment of the alkaline solution of a sulfite cellulose process. According to the invention harmful sulfur impurities are eliminated by oxidizing them with hydrogen peroxide or ozone.
FI905380A 1990-10-31 1990-10-31 FOERFARANDE FOER BEHANDLING AV ALKALILOESNING FI87091C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI905380A FI87091C (en) 1990-10-31 1990-10-31 FOERFARANDE FOER BEHANDLING AV ALKALILOESNING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI905380 1990-10-31
FI905380A FI87091C (en) 1990-10-31 1990-10-31 FOERFARANDE FOER BEHANDLING AV ALKALILOESNING

Publications (4)

Publication Number Publication Date
FI905380A0 FI905380A0 (en) 1990-10-31
FI905380L true FI905380L (en) 1992-05-01
FI87091B FI87091B (en) 1992-08-14
FI87091C FI87091C (en) 1992-11-25

Family

ID=8531346

Family Applications (1)

Application Number Title Priority Date Filing Date
FI905380A FI87091C (en) 1990-10-31 1990-10-31 FOERFARANDE FOER BEHANDLING AV ALKALILOESNING

Country Status (1)

Country Link
FI (1) FI87091C (en)

Also Published As

Publication number Publication date
FI87091B (en) 1992-08-14
FI905380A0 (en) 1990-10-31
FI87091C (en) 1992-11-25

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: RAUMA-REPOLA OY