JPH025441B2 - - Google Patents

Info

Publication number

JPH025441B2

JPH025441B2 JP18091581A JP18091581A JPH025441B2 JP H025441 B2 JPH025441 B2 JP H025441B2 JP 18091581 A JP18091581 A JP 18091581A JP 18091581 A JP18091581 A JP 18091581A JP H025441 B2 JPH025441 B2 JP H025441B2

Authority

JP

Japan

Prior art keywords

membrane

water

separator

mixture

retentate

Prior art date

1981-11-11

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

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• 239000012528 membrane Substances 0.000 claims description 74
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 45
• 238000000034 method Methods 0.000 claims description 37
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
• 239000012465 retentate Substances 0.000 claims description 18
• 239000000203 mixture Substances 0.000 claims description 15
• 238000005373 pervaporation Methods 0.000 claims description 13
• 238000004821 distillation Methods 0.000 claims description 12
• 239000007788 liquid Substances 0.000 claims description 11
• 238000000926 separation method Methods 0.000 claims description 10
• 230000018044 dehydration Effects 0.000 claims description 8
• 238000006297 dehydration reaction Methods 0.000 claims description 8
• 239000000498 cooling water Substances 0.000 claims description 5
• 230000000717 retained effect Effects 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 3
• 230000003134 recirculating effect Effects 0.000 claims 1
• 239000000126 substance Substances 0.000 claims 1
• 238000009834 vaporization Methods 0.000 claims 1
• 230000008016 vaporization Effects 0.000 claims 1
• 239000012466 permeate Substances 0.000 description 11
• 239000000047 product Substances 0.000 description 10
• KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
• 238000007127 saponification reaction Methods 0.000 description 4
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
• XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
• 238000009833 condensation Methods 0.000 description 3
• 230000005494 condensation Effects 0.000 description 3
• 238000010992 reflux Methods 0.000 description 3
• 229920002284 Cellulose triacetate Polymers 0.000 description 2
• JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
• NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
• 238000009835 boiling Methods 0.000 description 2
• 239000007858 starting material Substances 0.000 description 2
• 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
• 235000011613 Pinus brutia Nutrition 0.000 description 1
• 241000018646 Pinus brutia Species 0.000 description 1
• 229920002301 cellulose acetate Polymers 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000012467 final product Substances 0.000 description 1
• 239000001760 fusel oil Substances 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 230000014759 maintenance of location Effects 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
• 239000002351 wastewater Substances 0.000 description 1