ATA274189A - Verfahren zur entkieselung der ablauge - Google Patents
Verfahren zur entkieselung der ablaugeInfo
- Publication number
- ATA274189A ATA274189A AT274189A AT274189A ATA274189A AT A274189 A ATA274189 A AT A274189A AT 274189 A AT274189 A AT 274189A AT 274189 A AT274189 A AT 274189A AT A274189 A ATA274189 A AT A274189A
- Authority
- AT
- Austria
- Prior art keywords
- desiliating
- exhaust
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT274189A AT393284B (de) | 1989-12-01 | 1989-12-01 | Verfahren zur entkieselung der ablauge |
DK90121370T DK0431337T3 (da) | 1989-12-01 | 1990-11-08 | Fremgangsmåde til afkisling af den affaldslud, som fås ved cellulosemasseoplukning |
EP19900121370 EP0431337B1 (de) | 1989-12-01 | 1990-11-08 | Verfahren zur Entkieselung der Ablauge |
DE90121370T DE59005263D1 (de) | 1989-12-01 | 1990-11-08 | Verfahren zur Entkieselung der Ablauge. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT274189A AT393284B (de) | 1989-12-01 | 1989-12-01 | Verfahren zur entkieselung der ablauge |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA274189A true ATA274189A (de) | 1991-02-15 |
AT393284B AT393284B (de) | 1991-09-25 |
Family
ID=3539564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT274189A AT393284B (de) | 1989-12-01 | 1989-12-01 | Verfahren zur entkieselung der ablauge |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0431337B1 (de) |
AT (1) | AT393284B (de) |
DE (1) | DE59005263D1 (de) |
DK (1) | DK0431337T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT401070B (de) * | 1993-12-23 | 1996-06-25 | Austrian Energy & Environment | Verfahren zur gewinnung grobkörniger reiner kieselsäure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119645B (de) * | 1957-01-31 | 1961-12-14 | Escher Wyss Gmbh | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie |
DE3003090A1 (de) * | 1980-01-29 | 1981-08-13 | Debendra Kumar Ph.D. Athinä Misra | Verfahren zur entkieselung alkalischer ablaugen |
DE3107447C2 (de) * | 1981-02-27 | 1985-08-29 | Kraftanlagen Ag, 6900 Heidelberg | Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge |
DE3208200A1 (de) * | 1982-03-06 | 1983-09-08 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen entfernung von kieselsaeure aus zellstoffablaugen |
-
1989
- 1989-12-01 AT AT274189A patent/AT393284B/de not_active IP Right Cessation
-
1990
- 1990-11-08 DE DE90121370T patent/DE59005263D1/de not_active Expired - Fee Related
- 1990-11-08 EP EP19900121370 patent/EP0431337B1/de not_active Expired - Lifetime
- 1990-11-08 DK DK90121370T patent/DK0431337T3/da active
Also Published As
Publication number | Publication date |
---|---|
DE59005263D1 (de) | 1994-05-11 |
EP0431337B1 (de) | 1994-04-06 |
DK0431337T3 (da) | 1994-07-18 |
EP0431337A1 (de) | 1991-06-12 |
AT393284B (de) | 1991-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee |