DE2335673C3 - Mixing process for the separation of water from organic multicomponent by distillation - Google Patents
Mixing process for the separation of water from organic multicomponent by distillationInfo
- Publication number
- DE2335673C3 DE2335673C3 DE19732335673 DE2335673A DE2335673C3 DE 2335673 C3 DE2335673 C3 DE 2335673C3 DE 19732335673 DE19732335673 DE 19732335673 DE 2335673 A DE2335673 A DE 2335673A DE 2335673 C3 DE2335673 C3 DE 2335673C3
- Authority
- DE
- Germany
- Prior art keywords
- water
- column
- phase
- distillation
- mixture
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 53
- 238000004821 distillation Methods 0.000 title claims description 13
- 238000000926 separation method Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 title claims 6
- 239000000203 mixture Substances 0.000 claims description 33
- 239000012071 phase Substances 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 239000012074 organic phase Substances 0.000 claims description 12
- 239000008346 aqueous phase Substances 0.000 claims description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 125000004432 carbon atoms Chemical group C* 0.000 claims 2
- 150000001735 carboxylic acids Chemical class 0.000 claims 2
- 238000005755 formation reaction Methods 0.000 claims 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 2
- 238000004064 recycling Methods 0.000 claims 2
- 210000001072 Colon Anatomy 0.000 claims 1
- 229940095399 Enema Drugs 0.000 claims 1
- 241000792859 Enema Species 0.000 claims 1
- 238000010533 azeotropic distillation Methods 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- 238000007700 distillative separation Methods 0.000 claims 1
- 239000007920 enema Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 235000011187 glycerol Nutrition 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000000717 retained Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N acetic acid ethyl ester Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 238000006297 dehydration reaction Methods 0.000 description 2
- PVEOYINWKBTPIZ-UHFFFAOYSA-N but-3-enoic acid Chemical compound OC(=O)CC=C PVEOYINWKBTPIZ-UHFFFAOYSA-N 0.000 description 1
- -1 which is drawn off Substances 0.000 description 1
Description
Versuchsanordnung gewählt; Die Aufarbeitung des Gemisches erfolgt in einet Glasglockenbodenkolonne (1) mit 55 Böden und 50 mm Innendurchmesser. Das Einsatzgemisch wird aus Vorrats- und Bilanzierungsgefäß(2) über Pumpe (3) und Strömungsmesser (4) auf den 40. Boden der Kolonne (1) gepumpt. Das Destillat wird in einem wassergekühlten Kondensator (5) verflüssigt und im Abscheider (6), in dem Trennung in organische und wäßrige Phase erfolgt, gesammelt. Die wäßrige Phase wird abgezogen, die organische Phase wird in zwei wechselweise betriebene Bilanzierungsgefäße (7 und 8) abgeleitet Aus den Bilanzierungsgefäßen (7 und 8) wird über Pumpen (9) und (10) das organische Destillat in die Destillierkolonne (1) zurückgeiumpt, und zwar über Pumpe (9) und Strömungsmesser (11) auf den Kopf von Kolonne (1) und über Pumpe (10) und Strömungsmesser (12) zum Gemischzulauf auf den 40. Boden der Kolonne (1). Über Leitung (13) wird das Sumpfprodukt aus Kolonne (1) abgezogen. aoExperimental set-up chosen; The mixture is worked up in a column with a bell jar (1) with 55 shelves and 50 mm inner diameter. The feed mixture is made up of the storage and balancing vessel (2) Pumped via the pump (3) and flow meter (4) to the 40th tray of the column (1). The Distillate is liquefied in a water-cooled condenser (5) and in the separator (6), in the separation takes place in organic and aqueous phase, collected. The aqueous phase is drawn off, the organic phase is derived from two alternately operated balancing vessels (7 and 8) the balancing vessels (7 and 8) the organic distillate is fed into the distillation column via pumps (9) and (10) (1) back upside down using the pump (9) and flow meter (11) from column (1) and via pump (10) and flow meter (12) to the mixture feed to the 40. Bottom of the column (1). The bottom product is drawn off from column (1) via line (13). ao
Entwässerung eines Gemisches von Vinylacetat, Essigsäure und Wasser. Das Einsatzgemisch besteht aus 53 Gew.-o/o Essigsäure, 12 Gew.-% Wasser, 35 Gew.-°/o Vinylacetat.Dehydration of a mixture of vinyl acetate, acetic acid and water. The feed mixture consists of 53 wt o / o acetic acid, 12 wt .-% water, 35 wt ° / o vinyl acetate.
a) ohne Rücklaufteilunga) without return division
Pro Stunde werden der Kolonne 516 g Mischung zugefahren. Das Destillat wird im Phasentrenner (6) getrennt in eine wäßrige Phase, die abgezogen wird und eine organische Phase, die über Behälter (7) und (8) vermittels Pumpe (9) über Strömungsmesser (11) ungeteilt auf den Kopf der Kolonne (1) zurückgeführt wird. Nach Einstellung konstanter Versuchsbedingungen fallen bei einer Kopftemperatur von 68,5° C pro Stunde 1030 g organische Phase im Trenner an und 41g wäßrige Phase. Der auf das Gesamt- +0 destillat bezogene Wasseraustrag beträgt 3,8 °/o.The column is fed 516 g of mixture per hour. The distillate is separated in the phase separator (6) into an aqueous phase, which is drawn off, and an organic phase, which is transferred undivided to the top of the column (1st ) is returned. After setting constant experimental conditions, at a head temperature of 68.5 ° C. per hour, 1030 g of organic phase and 41 g of aqueous phase are obtained in the separator. The water output based on the total +0 distillate is 3.8%.
b) mit Rücklaufteilungb) with return division
Pro Stunde wurden 520 g des Gemisches wie unter a) in die Kolonne eingefahren. Die im Phasentrenner (6) über die Gefäße (7) und (8) in die Kolonne zurückgefahrene organische Phase wird geteilt V5 des organischen Rücklaufs werden über Pumpe (10) und Strömungsmesser (12) am G**jnischzulauf in die Kolonne zurückgefahren, Vs des organischen Rücklaufs über Pumpe (9) und Strömungsmesser (11) zum Kolonnenkopf. Nach Einstellung konstanter Bedingungen fallen bei einer Kopftemperatur von 67° C pro Stunde 940 g organische Phase und 55 g Wasserphase an. Der auf das Gesamtdestillat bezogene Wasseraustrag beträgt 5,5 %.520 g of the mixture per hour were run into the column as under a). Which is in the column retracted organic phase in the phase separator (6) through the vessels (7) and (8) V divided 5 of the organic retrace be via pump (10) and flow meter (12) on the G ** jnischzulauf in the column returned, Vs of the organic return via pump (9) and flow meter (11) to the top of the column. After setting constant conditions, 940 g of organic phase and 55 g of water phase are obtained at a head temperature of 67 ° C. per hour. The water discharge based on the total distillate is 5.5%.
Durch die Rücklaufteilung können bei gleichem Energieaufwand ca. 30% mehr Wasser ausgetragen werden.By dividing the return, approx. 30% more water can be discharged with the same amount of energy will.
Entwässerung eines Gemisches von Essigsäure, Äthylacetat, Wasser. Das Einsatzgemisch enthäU Gew.-% Essigsäure, 20 Gew.-% Wasser, Gew.-% Athylacetat.Dehydration of a mixture of acetic acid, ethyl acetate, water. Contain the feed mixture % By weight acetic acid, 20% by weight water,% by weight ethyl acetate.
a) ohne Rücklaufteilunga) without return division
Pro Stunde werden 500 g des Gemisches in die Kolonne eingefahren; die Anordnung ist wie unter 1 a). Bei einer Kopftemperatur von 74° C fallen pro Stunde 1010 g organische Phase und 57 g Wasserphase an. Der auf das Gesamtdestillat bezogene Wasseraustrag beträgt, unter Vernachlässigung des in der Wasserphase gelösten Äthylacetats, 5,2%.500 g of the mixture are fed into the column per hour; the arrangement is like under 1 a). At a head temperature of 74 ° C fall per hour 1010 g of organic phase and 57 g water phase. The water discharge, based on the total distillate, is negligible of the ethyl acetate dissolved in the water phase, 5.2%.
b) mit Rücklaufteilungb) with return division
Pro Stunde werden 510 g des Gemisches in die Kolonne eingefahren; die Anordnung ist wie unter 1 b). Bei einer Kopftemperatur von 72° C fallen pro Stunde 1020 g organische Phase und 85 g wäßrige Phase an. Der auf das Gesamtdestillat bezogene Wasseraustrag beträgt, unter Vernachlässigung des in der Wasserphase gelösten Äthylacetats, 7,7 %.510 g of the mixture are fed into the column per hour; the arrangement is as below 1 b). At a head temperature of 72 ° C fall per hour 1020 g of organic phase and 85 g of aqueous phase. The water discharge based on the total distillate is below Neglect of the ethyl acetate dissolved in the water phase, 7.7%.
Durch die Rücklaufteilung können bei gleichem Energieaufwand ca. 32% mehr Wasser ausgetragen werden.By dividing the return, approx. 32% more water can be discharged with the same amount of energy will.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (3)
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732335673 DE2335673C3 (en) | 1973-07-13 | Mixing process for the separation of water from organic multicomponent by distillation | |
RO7479336A RO69229A (en) | 1973-07-13 | 1974-06-28 | PROCESS FOR SEPARATION OF WATER FROM ORGANIC MIXTURES |
ZA00744200A ZA744200B (en) | 1973-07-13 | 1974-07-01 | Process for separating water from organic multiple component mixtures by distillation |
ES428042A ES428042A1 (en) | 1973-07-13 | 1974-07-06 | Process for separating water from organic multiple component mixtures by distillation |
GB3023774A GB1447741A (en) | 1973-07-13 | 1974-07-08 | Process for the separation of water from multi-component organic mixtures |
DD179787A DD112078A5 (en) | 1973-07-13 | 1974-07-08 | |
JP49077456A JPS5843122B2 (en) | 1973-07-13 | 1974-07-08 | Yukita Saven Kongoubutsukarano Mizuno |
IT24924/74A IT1015755B (en) | 1973-07-13 | 1974-07-08 | PROCESS FOR SEPARATION BY DISTILLATION OF WATER FROM MIXTURES OF MULTIPLE ORGANIC SUBSTANCES |
AU70955/74A AU490329B2 (en) | 1973-07-13 | 1974-07-08 | Process for separating water from organic multiple component mixtures by distillation |
CS44848A CS185655B2 (en) | 1973-07-13 | 1974-07-08 | Dittilling of water from organic multicomponent mixtures |
FR7423652A FR2236536B1 (en) | 1973-07-13 | 1974-07-08 | |
CA204,283A CA1027062A (en) | 1973-07-13 | 1974-07-08 | Process for separating water from organic multiple component mixtures by distillation |
BR5622/74A BR7405622D0 (en) | 1973-07-13 | 1974-07-08 | PROCESS FOR DISTILLATIVE WATER SEPARATION FROM ORGANIC MIXTURES OF VARIOUS SUBSTANCES |
PL1974172538A PL90012B1 (en) | 1973-07-13 | 1974-07-08 | |
NL7409208A NL7409208A (en) | 1973-07-13 | 1974-07-08 | PROCESS FOR THE DISTILLATIVE REMOVAL OF WATER FROM ORGANIC MIXTURES. |
BE146321A BE817367A (en) | 1973-07-13 | 1974-07-08 | PROCESS FOR SEPARATING WATER FROM ORGANIC MIXTURES WITH SEVERAL CONSTITUENTS BY DISTILLATION |
AR254581A AR200200A1 (en) | 1973-07-13 | 1974-07-08 | PROCEDURE TO SEPARATE WATER FROM MIXTURES OF SEVERAL ORGANIC SUBSTANCES BY DISTILLATION |
SU2047852A SU560519A3 (en) | 1973-07-13 | 1974-07-12 | Method for azeotropic distillation of organic multicomponent mixtures |
US05/971,900 US4229261A (en) | 1973-07-13 | 1978-12-21 | Process for separating water from organic multiple component mixtures by distillation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732335673 DE2335673C3 (en) | 1973-07-13 | Mixing process for the separation of water from organic multicomponent by distillation |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2335673A1 DE2335673A1 (en) | 1975-02-06 |
DE2335673B2 DE2335673B2 (en) | 1976-08-05 |
DE2335673C3 true DE2335673C3 (en) | 1977-03-24 |
Family
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