FI821271A0 - FOER ATT RENA RENA CONDENSER FRAON SULFATPROCESSEN - Google Patents

FOER ATT RENA RENA CONDENSER FRAON SULFATPROCESSEN

Info

Publication number
FI821271A0
FI821271A0 FI821271A FI821271A FI821271A0 FI 821271 A0 FI821271 A0 FI 821271A0 FI 821271 A FI821271 A FI 821271A FI 821271 A FI821271 A FI 821271A FI 821271 A0 FI821271 A0 FI 821271A0
Authority
FI
Finland
Prior art keywords
rena
sulfatprocessen
fraon
condenser
foer att
Prior art date
Application number
FI821271A
Other languages
Finnish (fi)
Other versions
FI73254B (en
FI821271L (en
FI73254C (en
Inventor
Kjell L Johnsen
Original Assignee
Papirind Forskningsinst
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 Papirind Forskningsinst filed Critical Papirind Forskningsinst
Publication of FI821271A0 publication Critical patent/FI821271A0/en
Publication of FI821271L publication Critical patent/FI821271L/en
Publication of FI73254B publication Critical patent/FI73254B/en
Application granted granted Critical
Publication of FI73254C publication Critical patent/FI73254C/en

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
FI821271A 1981-04-10 1982-04-08 FOERFARANDE FOER RENING AV SULFATPROCESSENS KONDENSATER. FI73254C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO811259A NO150971C (en) 1981-04-10 1981-04-10 PROCEDURE FOR CLEANING OF CONDENSATIVES FROM THE SULPHATE PROCESS
NO811259 1981-04-10

Publications (4)

Publication Number Publication Date
FI821271A0 true FI821271A0 (en) 1982-04-08
FI821271L FI821271L (en) 1982-10-11
FI73254B FI73254B (en) 1987-05-29
FI73254C FI73254C (en) 1987-09-10

Family

ID=19886021

Family Applications (1)

Application Number Title Priority Date Filing Date
FI821271A FI73254C (en) 1981-04-10 1982-04-08 FOERFARANDE FOER RENING AV SULFATPROCESSENS KONDENSATER.

Country Status (5)

Country Link
JP (1) JPS57180484A (en)
CA (1) CA1205930A (en)
FI (1) FI73254C (en)
NO (1) NO150971C (en)
SE (1) SE462169B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9403818L (en) * 1994-11-08 1996-05-09 Kvaerner Pulping Tech Method of ozone bleaching
FI128221B (en) * 2015-04-27 2019-12-31 Metsae Fibre Oy Method for regenerating a catalyst used for producing polysulphide lye

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA737730B (en) * 1972-10-26 1974-09-25 St Regis Paper Co Process for reducing the organic carbon content and improving the color of aqueous plant effluents
JPS5066480A (en) * 1973-10-18 1975-06-04
JPS562887A (en) * 1979-06-20 1981-01-13 Toshiba Corp Treatment of waste alkali washing liquid for deodorizing

Also Published As

Publication number Publication date
FI73254B (en) 1987-05-29
NO150971C (en) 1985-01-23
JPS57180484A (en) 1982-11-06
NO150971B (en) 1984-10-08
FI821271L (en) 1982-10-11
CA1205930A (en) 1986-06-10
FI73254C (en) 1987-09-10
SE462169B (en) 1990-05-14
SE8202251L (en) 1982-10-11
NO811259L (en) 1982-10-11

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: PAPIRINDUSTRIENS FORSKNINGSINSTITUTT