FI821271L - FOER ATT RENA RENA CONDENSER FRAON SULFATPROCESSEN - Google Patents
FOER ATT RENA RENA CONDENSER FRAON SULFATPROCESSENInfo
- Publication number
- FI821271L FI821271L FI821271A FI821271A FI821271L FI 821271 L FI821271 L FI 821271L FI 821271 A FI821271 A FI 821271A FI 821271 A FI821271 A FI 821271A FI 821271 L FI821271 L FI 821271L
- Authority
- FI
- Finland
- Prior art keywords
- rena
- sulfatprocessen
- fraon
- condenser
- foer att
- Prior art date
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO811259 | 1981-04-10 | ||
NO811259A NO150971C (en) | 1981-04-10 | 1981-04-10 | PROCEDURE FOR CLEANING OF CONDENSATIVES FROM THE SULPHATE PROCESS |
Publications (4)
Publication Number | Publication Date |
---|---|
FI821271A0 FI821271A0 (en) | 1982-04-08 |
FI821271L true 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)
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)
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 |
-
1981
- 1981-04-10 NO NO811259A patent/NO150971C/en unknown
-
1982
- 1982-04-07 SE SE8202251A patent/SE462169B/en not_active IP Right Cessation
- 1982-04-08 FI FI821271A patent/FI73254C/en not_active IP Right Cessation
- 1982-04-08 CA CA000400790A patent/CA1205930A/en not_active Expired
- 1982-04-10 JP JP57058998A patent/JPS57180484A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
NO150971B (en) | 1984-10-08 |
FI73254C (en) | 1987-09-10 |
SE462169B (en) | 1990-05-14 |
CA1205930A (en) | 1986-06-10 |
JPS57180484A (en) | 1982-11-06 |
FI73254B (en) | 1987-05-29 |
SE8202251L (en) | 1982-10-11 |
NO150971C (en) | 1985-01-23 |
FI821271A0 (en) | 1982-04-08 |
NO811259L (en) | 1982-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: PAPIRINDUSTRIENS FORSKNINGSINSTITUTT |