CN1325463C - 一种高纯度乙酸乙酯提纯精制塔及其应用方法 - Google Patents
一种高纯度乙酸乙酯提纯精制塔及其应用方法 Download PDFInfo
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- CN1325463C CN1325463C CN 200510025372 CN200510025372A CN1325463C CN 1325463 C CN1325463 C CN 1325463C CN 200510025372 CN200510025372 CN 200510025372 CN 200510025372 A CN200510025372 A CN 200510025372A CN 1325463 C CN1325463 C CN 1325463C
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- ethyl acetate
- refining
- high purity
- purifying
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000007670 refining Methods 0.000 title claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 12
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 17
- 241000282326 Felis catus Species 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000013178 mathematical model Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 230000008016 vaporization Effects 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
塔器型式及再沸器型式 | 原有散堆陶瓷填料塔,普通釜式再沸器 | 原有改进规整陶瓷填料塔,立式热虹吸式再沸器 | 金属塔板、金属填料混合塔,设置溢流挡板的釜式再沸器 | |
塔顶温度(℃) | 79.0±1.0 | 78.6±1.0 | 78.1±1.0 | |
塔釜温度(℃) | 85~100(随时间升高) | 85~95(随时间升高稳定<0.0027) | 81±1(稳定) | |
塔压差(mmH2O) | 2500 | 1200 | 250 | |
塔顶产品(w/w)% | 酯 | 99.89 | 99.9 | 99.9 |
醇 | 0.08 | 0.08 | 0.079 | |
水 | 0.02 | 0.02 | 0.02 | |
酸 | 0.003(前期)~0.01(后期) | 0.003(前期)~0.009(后期) | 0.001(稳定<0.0027) | |
开车周期 | 一般小于3个月需要停车拉釜料一次 | 一般小于3个月需要停车拉釜料一次 | 实际已大于2年,釜料通过间歇或半间歇或连续方式排出 |
Claims (4)
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CN 200510025372 CN1325463C (zh) | 2005-04-25 | 2005-04-25 | 一种高纯度乙酸乙酯提纯精制塔及其应用方法 |
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CN 200510025372 CN1325463C (zh) | 2005-04-25 | 2005-04-25 | 一种高纯度乙酸乙酯提纯精制塔及其应用方法 |
Publications (2)
Publication Number | Publication Date |
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CN1706796A CN1706796A (zh) | 2005-12-14 |
CN1325463C true CN1325463C (zh) | 2007-07-11 |
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CN 200510025372 Expired - Fee Related CN1325463C (zh) | 2005-04-25 | 2005-04-25 | 一种高纯度乙酸乙酯提纯精制塔及其应用方法 |
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CN (1) | CN1325463C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100357250C (zh) * | 2006-01-18 | 2007-12-26 | 华南理工大学 | 乙酸乙酯脱水提纯的方法 |
CN101148407B (zh) * | 2007-10-16 | 2010-04-14 | 南京师范大学 | 连续侧线出料法提取酮康唑生产中乙酸乙酯的方法 |
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- 2005-04-25 CN CN 200510025372 patent/CN1325463C/zh not_active Expired - Fee Related
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Owner name: SHANGHAI HUAYI ENERGY + CHEMICAL INDUSTRY CO., LTD Free format text: FORMER OWNER: WUJING CHEMICAL CO., LTD., SHANGHAI Effective date: 20150119 |
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Effective date of registration: 20150119 Address after: 200241 Minhang District, Wu Long Road, No. 4280, Shanghai Patentee after: SHANGHAI HUAYI ENERGY CHEMICAL CO.,LTD. Address before: 200241 No. 4600 Wu Long Road, Shanghai Patentee before: Shanghai Wujing Chemical Co.,Ltd. |
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