DE1692824C3 - Verfahren zum Eindampfen von aus kontinuierlich arbeitenden Zellstoffkochern abgehender Ablauge - Google Patents
Verfahren zum Eindampfen von aus kontinuierlich arbeitenden Zellstoffkochern abgehender AblaugeInfo
- Publication number
- DE1692824C3 DE1692824C3 DE1692824A DE1692824A DE1692824C3 DE 1692824 C3 DE1692824 C3 DE 1692824C3 DE 1692824 A DE1692824 A DE 1692824A DE 1692824 A DE1692824 A DE 1692824A DE 1692824 C3 DE1692824 C3 DE 1692824C3
- Authority
- DE
- Germany
- Prior art keywords
- stage
- heating
- steam
- expansion
- liquor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000001704 evaporation Methods 0.000 title claims description 14
- 230000008020 evaporation Effects 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 8
- 239000002699 waste material Substances 0.000 title claims 2
- 238000010438 heat treatment Methods 0.000 claims description 49
- 239000003518 caustics Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010025 steaming Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000779819 Syncarpia glomulifera Species 0.000 description 2
- 239000001739 pinus spp. Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229940036248 turpentine Drugs 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/06—Flash distillation
- B01D3/065—Multiple-effect flash distillation (more than two traps)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/06—Flash distillation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/08—Multieffect or multistage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Nonmetallic Welding Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1085165 | 1965-08-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1692824A1 DE1692824A1 (de) | 1971-09-30 |
| DE1692824B2 DE1692824B2 (de) | 1975-04-30 |
| DE1692824C3 true DE1692824C3 (de) | 1975-12-11 |
Family
ID=20292939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1692824A Expired DE1692824C3 (de) | 1965-08-19 | 1966-07-06 | Verfahren zum Eindampfen von aus kontinuierlich arbeitenden Zellstoffkochern abgehender Ablauge |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3428107A (en:Method) |
| AT (1) | AT262047B (en:Method) |
| DE (1) | DE1692824C3 (en:Method) |
| FI (1) | FI45474C (en:Method) |
| NO (1) | NO119205B (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839160A (en) * | 1972-06-23 | 1974-10-01 | Hitachi Ltd | Multiple effect evaporator |
| JPS5238832B2 (en:Method) * | 1973-08-15 | 1977-10-01 | ||
| JPS5294874A (en) * | 1976-02-06 | 1977-08-09 | Asahi Chem Ind Co Ltd | Concentration by multistage multiple effect boiler |
| DE2648219C3 (de) * | 1976-10-25 | 1979-04-05 | Wiegand Karlsruhe Gmbh, 7505 Ettlingen | Verfahren zum Erhitzen eines strömenden, von einem einzudampfenden und anschließend zu trocknenden Produkt verschiedenen Mediums, das z.B. als Heiz-, Transport- oder Behandlungsmittel für dieses Produkt dient |
| DE3130814A1 (de) * | 1981-08-04 | 1983-02-17 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur konzentration von schlempen |
| DE3143734A1 (de) * | 1981-11-04 | 1983-05-11 | Hoechst Ag, 6230 Frankfurt | Verfahren zur kontinuierlichen rektifikation eines alkohole enthaltenden fluessigkeitsgemisches" |
| FI73474B (fi) * | 1985-04-25 | 1987-06-30 | Tampella Oy Ab | Saett att aotervinna vaerme och kemikalier fraon avlut. |
| US4687546B1 (en) * | 1985-07-19 | 1996-06-04 | Anglo American Clays Corp | Method of concentrating slurried kaolin |
| US4953607A (en) * | 1989-02-17 | 1990-09-04 | A. Ahlstrom | Multistage evaporating system |
| NZ246130A (en) * | 1991-12-31 | 1995-07-26 | Comalco Alu | System for concentrating clay slurry having evaporative effects in series with each effect having indirect heat exchanger with suppression of boiling of water in slurry |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR709044A (fr) * | 1930-01-02 | 1931-08-01 | Procédé et appareil pour récupérer les éléments volatifs des solutions destinées à être évaporées | |
| US2544885A (en) * | 1946-02-27 | 1951-03-13 | Gen Am Transport | Vertical tube evaporator |
| US2651356A (en) * | 1948-08-25 | 1953-09-08 | Henry M Hunter | Apparatus for evaporation |
| US3021265A (en) * | 1957-07-05 | 1962-02-13 | Chicago Bridge & Iron Co | Multiple effect evaporating system |
-
1966
- 1966-06-20 NO NO163555A patent/NO119205B/no unknown
- 1966-07-06 DE DE1692824A patent/DE1692824C3/de not_active Expired
- 1966-07-18 FI FI661915A patent/FI45474C/fi active
- 1966-07-27 AT AT718966A patent/AT262047B/de active
- 1966-08-09 US US571313A patent/US3428107A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1692824A1 (de) | 1971-09-30 |
| US3428107A (en) | 1969-02-18 |
| NO119205B (en:Method) | 1970-04-06 |
| AT262047B (de) | 1968-05-27 |
| DE1692824B2 (de) | 1975-04-30 |
| FI45474C (fi) | 1972-06-12 |
| FI45474B (en:Method) | 1972-02-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |