KR20010075475A - 방법 - Google Patents
방법 Download PDFInfo
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- KR20010075475A KR20010075475A KR1020017004050A KR20017004050A KR20010075475A KR 20010075475 A KR20010075475 A KR 20010075475A KR 1020017004050 A KR1020017004050 A KR 1020017004050A KR 20017004050 A KR20017004050 A KR 20017004050A KR 20010075475 A KR20010075475 A KR 20010075475A
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- ethyl acetate
- ethanol
- distillation
- distillation zone
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
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- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
| 실시예 No. | 공급물 | 1 | 2 | 3 | 4 | 5 |
| 온도(℃) | - | 225 | 224 | 224 | 223 | 224 |
| 압력(bar)[105Pa] | - | 4.53 | 2.74 | 7.91 | 28.6 | 47.0 |
| 산물 분석(중량%) | ||||||
| 아세트알데하이드 | 0.007 | 2.578 | 5.317 | 1.388 | 0.114 | 0.027 |
| 메탄올 | 0.064 | 0.063 | 0.087 | 0.034 | 0.013 | 0.011 |
| 디-에틸 에테르 | 0.108 | 0.133 | 0.120 | 0.139 | 0.167 | 0.185 |
| 에탄올 | 95.093 | 63.184 | 66.778 | 64.050 | 67.236 | 72.676 |
| 아세톤 | 0.007 | 2.264 | 2.883 | 1.679 | 0.630 | 0.326 |
| 이소-프로판올 | 3.403 | 1.582 | 1.081 | 2.114 | 3.210 | 3.511 |
| 디-이소-프로필 에테르 | 0.116 | 0.139 | 0.134 | 0.138 | 0.316 | 0.318 |
| n -부티르알데하이드 | 0 | 0.012 | 0.010 | 0.006 | 0.004 | 0.005 |
| 에틸 아세테이트 | 0.030 | 25.605 | 18.935 | 27.087 | 26.377 | 21.107 |
| 부탄-2-온 | 0.005 | 1.230 | 1.655 | 0.661 | 0.074 | 0.015 |
| sec-부탄올 | 0.004 | 0.768 | 0.543 | 0.761 | 0.360 | 0.174 |
| 이소-프로필 아세테이트 | 0 | 0.184 | 0.144 | 0.040 | 0.136 | 0.138 |
| 펜탄-2-온 | 0 | 0.316 | 0.309 | 0.233 | 0.055 | 0.010 |
| n -부탄올 | 0.097 | 0.329 | 0.410 | 0.274 | 0.203 | 0.431 |
| sec-펜탄올 | 0 | 0.138 | 0.075 | 0.180 | 0.148 | 0.087 |
| sec-부틸 아세테이트 | 0 | 0.058 | 0.037 | 0.057 | 0.052 | 0.044 |
| 에틸 부티레이트 | 0 | 0.132 | 0.115 | 0.093 | 0.030 | 0.075 |
| n -부틸 아세테이트 | 0 | 0.123 | 0.096 | 0.086 | 0.022 | 0.076 |
| 물 | 0.540 | 0.789 | 0.920 | 0.660 | 0.450 | 0.460 |
| 기타 | 0.526 | 0.373 | 0.351 | 0.320 | 0.403 | 0.324 |
| 계 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| 실시예 No. | 공급물 | 6 | 7 | 8 | 9 |
| 반응기 온도(℃) | - | 91 | 80 | 72 | 110 |
| 압력(bar)[105Pa] | - | 14.2 | 14.2 | 14.4 | 14.1 |
| 산물 분석(중량%) | |||||
| 아세트알데하이드 | 0.904 | 0.034 | 0.040 | 0.038 | 0.039 |
| 디에틸 에테르 | 0.579 | 0.428 | 0.418 | 0.417 | 0.419 |
| 에탄올 | 68.223 | 70.040 | 70.121 | 70.163 | 70.301 |
| 아세톤 | 2.282 | 극소량 | 극소량 | 극소량 | 극소량 |
| 이소-프로판올 | 1.004 | 3.232 | 3.233 | 3.213 | 3.231 |
| 디-이소-프로필 에테르 | 0.003 | 0.098 | 0.097 | 0.097 | 0.097 |
| n -부티르알데하이드 | 0.010 | 극소량 | 극소량 | 극소량 | 극소량 |
| 에틸 아세테이트 | 23.263 | 22.572 | 22.464 | 22.337 | 22.396 |
| 부탄-2-온 | 0.170 | 0.002 | 0.004 | 0.007 | 0.003 |
| sec-부탄올 | 0.371 | 0.567 | 0.566 | 0.560 | 0.567 |
| 이소-프로필 아세테이트 | 0.186 | 0.185 | 0.184 | 0.184 | 0.184 |
| n -부탄올 | 0.507 | 0.730 | 0.770 | 0.776 | 0.570 |
| 물 | 1.410 | 1.170 | 1.170 | 1.200 | 1.270 |
| 기타 | 1.088 | 0.942 | 0.933 | 0.908 | 0.923 |
| 계 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| 실시예 No. | 공급물 | 10 | 11 | 12 |
| 반응기 온도(℃) | - | 79 | 98 | 119 |
| 압력(bar)[105Pa] | - | 42.6 | 42.1 | 42.5 |
| 산물 분석(중량%) | ||||
| 아세트알데하이드 | 0.952 | 0.006 | 0.006 | 0.006 |
| 디에틸 에테르 | 0.030 | 0.030 | 0.029 | 0.033 |
| 에탄올 | 64.703 | 65.930 | 66.034 | 65.627 |
| 아세톤 | 극소량 | 0 | 0 | 0 |
| 이소-프로판올 | 0.022 | 0.032 | 0.035 | 0.038 |
| n-부티르알데하이드 | 극소량 | 0 | 0 | 0 |
| 에틸 아세테이트 | 31.692 | 31.410 | 31.155 | 31.409 |
| 부탄-2-온 | 0.301 | 극소량 | 극소량 | 0.001 |
| sec-부탄올 | 0.487 | 0.803 | 0.806 | 0.810 |
| n-부탄올 | 0.560 | 0.588 | 0.596 | 0.573 |
| 물 | 0.620 | 0.600 | 0.700 | 0.890 |
| 기타 | 0.633 | 0.610 | 0.639 | 0.613 |
| 계 | 100.00 | 100.00 | 100.00 | 100.00 |
| 라인 No. | 39 | 51 | 41 | 61 | 53 |
| 아세트알데하이드 | 0.009 | 0.007 | 0.013 | 0.446 | |
| 메탄올 | 0.090 | 0.141 | 0.199 | ||
| 디에틸 에테르 | 0.073 | 0.113 | 0.226 | ||
| 에탄올 | 57.626 | 31.077 | 96.579 | 71.382 | 0.064 |
| 이소-프로판올 | 0.027 | 0.087 | |||
| 에틸 아세테이트 | 40.514 | 68.021 | 0.018 | 24.811 | 99.890 |
| 부탄-2-올 | 0.548 | 1.499 | |||
| n-부탄올 | 0.192 | 0.021 | 0.519 | 0.010 | |
| 에틸 부티레이트 | 0.117 | 0.307 | |||
| 부틸 아세테이트 | 0.136 | 0.358 | |||
| 물 | 0.550 | 0.590 | 0.330 | 2.920 | 0.010 |
| "가벼운" 미지성분 | 0.020 | 0.029 | 0.003 | ||
| "무거운" 미지성분 | 0.098 | 0.001 | 0.290 | 0.013 | 0.026 |
| 계 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
Claims (14)
- 에틸 아세테이트, 에탄올, 및 물을 포함하는 공급원료로부터 실질적으로 순수한 에틸 아세테이트를 회수하는 방법에 있어서,(a) 제1 증류 압력의 사용을 포함하고, 에틸 아세테이트, 에탄올, 및 물을 포함하는 혼합물로부터 에틸 아세테이트, 에탄올, 및 10 mol% 이하의 물을 포함하는 1차 증류물(distillate)의 증류에 효과적이며, 에탄올 및 물을 포함하는 에탄올이 풍부한 탑저 제품을 생산하는 증류 조건으로 유지된 제1 증류 영역을 제공하는 단계;(b) 제1 증류 압력보다 높은 증류 제2 증류 압력의 사용을 포함하고, 에틸 아세테이트, 에탄올, 및 물을 포함하는 혼합물로부터 에탄올, 물, 및 미소량(minor proportion)의 에틸 아세테이트를 포함하는 2차 증류물의 증류에 효과적이며, 실질적으로 순수한 에틸 아세테이트 탑저 제품을 생산하는 증류 조건으로 유지된 제2 증류 영역을 제공하는 단계;(c) 제1 증류 영역 및 제2 증류 영역으로부터 선택되는 영역에 에틸 아세테이트, 에탄올, 및 물을 포함하는 공급원료를 공급하는 단계;(d) 제1 증류 영역으로부터 에틸 아세테이트, 에탄올, 및 10 mol% 이하의 물을 포함하는 1차 증류물을 회수하는 단계;(e) 1차 증류물을 제2 증류 영역으로 공급하는 단계;(f) 제1 증류 영역으로부터 에탄올 및 물을 포함하는 에탄올이 풍부한 탑저제품을 회수하는 단계;(g) 제2 증류 영역으로부터 실질적으로 순수한 에틸 아세테이트 탑저 제품을 회수하는 단계;(h) 제2 증류 영역으로부터 에탄올, 물, 및 미소량의 에틸 아세테이트를 포함하는 2차 증류물을 회수하는 단계; 및(i) (h) 단계의 2차 증류물을 제1 증류 영역으로 재순환시키는 단계를 포함하는 에틸 아세테이트의 회수방법.
- 제1항에 있어서,(d) 단계에서 공급원료가 약 20 mol% 미만의 수분 함량을 가지며 제1 증류 영역으로 공급되는 에틸 아세테이트의 회수 방법.
- 제1항 또는 제2항에 있어서,상기 제1 증류 영역이 약 4 bar(4×105Pa) 미만의 압력에서 작동되는 에틸 아세테이트의 회수방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제1 증류 영역이 약 1 bar(105Pa) 내지 약 2 bar(2×105Pa)의 압력에서 작동되는 에틸 아세테이트의 회수방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 제2 증류 영역이 약 4 bar(4×105Pa) 내지 약 25 bar(2.5×106Pa)의 압력에서 작동되는 에틸 아세테이트의 회수방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서,상기 제2 증류 영역이 약 9 bar(9×105Pa) 내지 약 15 bar(1.5×106Pa)의 압력에서 작동되는 에틸 아세테이트의 회수방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서,상기 1차 증류물이 약 1 mol% 내지 약 6 mol%의 수분 함량을 가지는 에틸 아세테이트의 회수방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서,상기 제1 증류 영역으로 공급되는 공급원료는 "가벼운" 성분을 추가로 함유하고, 에탄올이 풍부한 흐름은 제1 증류 영역의 저부로부터 회수되며, 제1 증류 영역으로 공급되는 혼합물 내에 존재하는 "가벼운" 성분을 함유하는 상층 흐름은 제1 증류 영역으로 회수되고, 1차 증류물은 제1 증류 영역의 상부로부터 액상 유출 흐름(liquid draw stream)으로서 회수되는 에틸 아세테이트의 회수방법.
- 제8항에 있어서,상기 제1 증류 영역의 바닥으로부터 회수되는 에탄올이 풍부한 흐름으로부터 수분 제거하여 비교적 건조한 에탄올 흐름을 제조하는 에틸 아세테이트의 회수방법.
- 제1항 내지 제9항 중 어느 한 항에 있어서,상기 1차 증류물이 약 1 mol% 내지 약 6 mol%의 물, 약 40 mol% 내지 약 55 mol%의 에틸 아세테이트, 약 1 mol% 이하의 기타 산물, 및 나머지로서 에탄올을 함유하는 에틸 아세테이트의 회수방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서,상기 1차 증류물이 약 45 mol%의 에틸 아세테이트, 약 50 mol%의 에탄올, 약 4 mol%의 물, 및 약 1 mol%의 기타 성분을 함유하는 에틸 아세테이트의 회수방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서,상기 2차 증류물은 제2 증류 영역으로부터 상층 흐름으로서 회수되고, 에틸 아세테이트를 포함하는 탑저 제품은 제2 증류 영역으로부터 회수되며, 상기 2차 증류물은 제1 증류 영역으로의 공급원료의 공급 지점의 상부 지점을 통해 제1 증류 영역으로 반송되는 에틸 아세테이트의 회수방법.
- 제1항 내지 제12항 중 어느 한 항에 있어서,상기 제2 증류 영역으로부터의 탑저 제품이 약 99.8 mol% 내지 약 99.95 mol%의 에틸 아세테이트를 함유하는 에틸 아세테이트의 회수방법.
- 제1항 내지 제13항 중 어느 한 항에 있어서,상기 2차 증류물이 약 25 mol%의 에틸 아세테이트, 약 68 mol%의 에탄올, 약 6 mol%의 수분, 및 1 mol%의 기타 성분을 함유하는 에틸 아세테이트의 회수방법.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98308010.2 | 1998-10-01 | ||
| EP98308010A EP0992482A1 (en) | 1998-10-01 | 1998-10-01 | Process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010075475A true KR20010075475A (ko) | 2001-08-09 |
| KR100583019B1 KR100583019B1 (ko) | 2006-05-23 |
Family
ID=8235085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020017004050A Expired - Fee Related KR100583019B1 (ko) | 1998-10-01 | 1999-09-29 | 에틸 아세테이트의 회수 방법 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7553397B1 (ko) |
| EP (2) | EP0992482A1 (ko) |
| JP (1) | JP5059994B2 (ko) |
| KR (1) | KR100583019B1 (ko) |
| AU (1) | AU6106999A (ko) |
| BR (1) | BR9914242B1 (ko) |
| CA (1) | CA2345992C (ko) |
| ES (1) | ES2229770T3 (ko) |
| GB (1) | GB2357505B (ko) |
| TW (1) | TWI242553B (ko) |
| WO (1) | WO2000020373A1 (ko) |
| ZA (1) | ZA200102080B (ko) |
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| KR20210137080A (ko) * | 2019-03-06 | 2021-11-17 | 피나 테크놀러지, 인코포레이티드 | 스티렌 공정에서 dvb 가교 및 불용성 중합체 형성을 개선하기 위한 첨가제 |
| KR20230100268A (ko) * | 2021-12-28 | 2023-07-05 | 한화토탈에너지스 주식회사 | 에틸렌 비닐알코올 공중합체의 제조 방법 |
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|---|---|---|---|---|
| EP0990638A1 (en) | 1998-10-01 | 2000-04-05 | Kvaerner Process Technology Limited | Process |
| EP0992484A1 (en) * | 1998-10-01 | 2000-04-12 | Kvaerner Process Technology Limited | Process |
| CN100471486C (zh) * | 2002-08-12 | 2009-03-25 | 戴纳伐克斯技术股份有限公司 | 免疫调节组合物,其制备方法和使用方法 |
| US8062482B2 (en) * | 2007-10-30 | 2011-11-22 | Celanese International Corporation | Acetaldehyde removal from methyl acetate by distillation at elevated pressure |
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| US20100197486A1 (en) * | 2008-07-31 | 2010-08-05 | Celanese International Corporation | Catalysts for making ethyl acetate from acetic acid |
| US8471075B2 (en) | 2008-07-31 | 2013-06-25 | Celanese International Corporation | Processes for making ethanol from acetic acid |
| US8680317B2 (en) * | 2008-07-31 | 2014-03-25 | Celanese International Corporation | Processes for making ethyl acetate from acetic acid |
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| US8546622B2 (en) | 2008-07-31 | 2013-10-01 | Celanese International Corporation | Process for making ethanol from acetic acid using acidic catalysts |
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| KR20210108901A (ko) * | 2020-02-26 | 2021-09-03 | 영남대학교 산학협력단 | 프로필렌 글리콜 메틸 에테르 아세테이트 제조 장치 및 제조 방법 |
| KR20230100268A (ko) * | 2021-12-28 | 2023-07-05 | 한화토탈에너지스 주식회사 | 에틸렌 비닐알코올 공중합체의 제조 방법 |
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| EP1117629A1 (en) | 2001-07-25 |
| BR9914242B1 (pt) | 2011-01-25 |
| CA2345992C (en) | 2007-08-28 |
| EP0992482A1 (en) | 2000-04-12 |
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