DK0431337T3 - Fremgangsmåde til afkisling af den affaldslud, som fås ved cellulosemasseoplukning - Google Patents
Fremgangsmåde til afkisling af den affaldslud, som fås ved cellulosemasseoplukningInfo
- Publication number
- DK0431337T3 DK0431337T3 DK90121370T DK90121370T DK0431337T3 DK 0431337 T3 DK0431337 T3 DK 0431337T3 DK 90121370 T DK90121370 T DK 90121370T DK 90121370 T DK90121370 T DK 90121370T DK 0431337 T3 DK0431337 T3 DK 0431337T3
- Authority
- DK
- Denmark
- Prior art keywords
- icing
- waste liquor
- liquor obtained
- cellulose pulping
- pulping
- 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
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 (1)
Publication Number | Publication Date |
---|---|
DK0431337T3 true DK0431337T3 (da) | 1994-07-18 |
Family
ID=3539564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK90121370T DK0431337T3 (da) | 1989-12-01 | 1990-11-08 | Fremgangsmåde til afkisling af den affaldslud, som fås ved cellulosemasseoplukning |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0431337B1 (da) |
AT (1) | AT393284B (da) |
DE (1) | DE59005263D1 (da) |
DK (1) | DK0431337T3 (da) |
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 EP EP19900121370 patent/EP0431337B1/de not_active Expired - Lifetime
- 1990-11-08 DK DK90121370T patent/DK0431337T3/da active
- 1990-11-08 DE DE90121370T patent/DE59005263D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AT393284B (de) | 1991-09-25 |
ATA274189A (de) | 1991-02-15 |
EP0431337A1 (de) | 1991-06-12 |
EP0431337B1 (de) | 1994-04-06 |
DE59005263D1 (de) | 1994-05-11 |
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