CN100503549C - 一种乙酸乙酯生产中回收废水循环利用的方法 - Google Patents
一种乙酸乙酯生产中回收废水循环利用的方法 Download PDFInfo
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- CN100503549C CN100503549C CNB2007100150579A CN200710015057A CN100503549C CN 100503549 C CN100503549 C CN 100503549C CN B2007100150579 A CNB2007100150579 A CN B2007100150579A CN 200710015057 A CN200710015057 A CN 200710015057A CN 100503549 C CN100503549 C CN 100503549C
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- Prior art keywords
- waste water
- dehydration tower
- ethyl acetate
- wastewater
- alcohol
- 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.)
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- 239000002351 wastewater Substances 0.000 title claims abstract description 57
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000018044 dehydration Effects 0.000 claims abstract description 29
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 29
- 150000002148 esters Chemical class 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 230000001351 cycling effect Effects 0.000 claims description 10
- 230000032050 esterification Effects 0.000 claims description 9
- 238000005886 esterification reaction Methods 0.000 claims description 9
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 1
- 241000282326 Felis catus Species 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004283 Sodium sorbate Substances 0.000 description 1
- 235000019013 Viburnum opulus Nutrition 0.000 description 1
- 244000071378 Viburnum opulus Species 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
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CNB2007100150579A CN100503549C (zh) | 2007-06-22 | 2007-06-22 | 一种乙酸乙酯生产中回收废水循环利用的方法 |
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CNB2007100150579A CN100503549C (zh) | 2007-06-22 | 2007-06-22 | 一种乙酸乙酯生产中回收废水循环利用的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101100329A CN101100329A (zh) | 2008-01-09 |
CN100503549C true CN100503549C (zh) | 2009-06-24 |
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CNB2007100150579A Active CN100503549C (zh) | 2007-06-22 | 2007-06-22 | 一种乙酸乙酯生产中回收废水循环利用的方法 |
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CN (1) | CN100503549C (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101575288B (zh) * | 2009-06-18 | 2012-04-04 | 孙宗长 | 一种从含乙酸乙酯废水中回收乙酸乙酯的方法 |
CN101735046B (zh) * | 2009-12-28 | 2012-05-30 | 江门谦信化工发展有限公司 | 一种醋酸乙酯工业废液的处理方法 |
CN102951689A (zh) * | 2011-08-22 | 2013-03-06 | 苏州常乐泡塑有限公司 | 浓水循环利用装置 |
CN102643195B (zh) * | 2012-04-20 | 2014-05-21 | 临沂市金沂蒙生物科技有限公司 | 乙酸正丁酯的生产方法 |
CN106693429A (zh) * | 2016-05-20 | 2017-05-24 | 百川化工(如皋)有限公司 | 一种乙酸乙酯生产水的处理系统及方法 |
CN109534997B (zh) * | 2018-10-25 | 2019-08-30 | 兖矿鲁南化工有限公司 | 一种加压酯化合成后快速提取精纯醋酸乙酯的系统及工艺 |
CN110041196A (zh) * | 2019-05-23 | 2019-07-23 | 南通醋酸纤维有限公司 | 废水中酯类的回收方法 |
CN116099452B (zh) * | 2023-03-16 | 2023-12-19 | 安徽瑞柏新材料有限公司 | 一种节水降耗式乙酸乙酯生产设备 |
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2007
- 2007-06-22 CN CNB2007100150579A patent/CN100503549C/zh active Active
Non-Patent Citations (4)
Title |
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乙酸乙酯生产工艺现状及发展趋势. 王军等.应用科技,第30卷第3期. 2003 |
乙酸乙酯生产工艺现状及发展趋势. 王军等.应用科技,第30卷第3期. 2003 * |
乙酸乙酯生产工艺的改进与优化. 丁立等.精细化工,第22卷第3期. 2005 |
乙酸乙酯生产工艺的改进与优化. 丁立等.精细化工,第22卷第3期. 2005 * |
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Publication number | Publication date |
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CN101100329A (zh) | 2008-01-09 |
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Owner name: THE GOLDEN YINMENG GROUP CO., LTD. Free format text: FORMER OWNER: ZHANG LIXING Effective date: 20110704 |
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Effective date of registration: 20110704 Address after: 276700 Shandong province Linshu Xingda Street No. 99 jinyimeng Group Co. Ltd. Patentee after: Zhang Chao Address before: 276700 Shandong province Linshu Xingda Street No. 99 jinyimeng Group Co. Ltd. Patentee before: Zhang Lisheng |
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Assignee: Zhang Chao Assignor: Zhang Lisheng Contract record no.: 2011370000273 Denomination of invention: Method for reusing waste water reclaimed from ethyl acetate production Granted publication date: 20090624 License type: Exclusive License Open date: 20080109 Record date: 20110622 |
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Effective date of registration: 20200324 Address after: 276700 Linshu County, Linyi, Shandong, Xingda West Street, hospital No. 99 Patentee after: LINYI JINYIMENG BIOTECHNOLOGY Co.,Ltd. Address before: 276700 Shandong province Linshu Xingda Street No. 99 jinyimeng Group Co. Ltd. Patentee before: JINYIMENG GROUP Co.,Ltd. |
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