CN102267865B - 氯乙烯精馏残液中提纯二氯乙烷的方法 - Google Patents
氯乙烯精馏残液中提纯二氯乙烷的方法 Download PDFInfo
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- CN102267865B CN102267865B CN201110158322.5A CN201110158322A CN102267865B CN 102267865 B CN102267865 B CN 102267865B CN 201110158322 A CN201110158322 A CN 201110158322A CN 102267865 B CN102267865 B CN 102267865B
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- residual liquid
- dichloroethane
- ethylene dichloride
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 49
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 44
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 26
- 238000000746 purification Methods 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims abstract description 7
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 44
- 238000004821 distillation Methods 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 13
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 7
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007792 gaseous phase Substances 0.000 claims description 4
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 2
- 238000006703 hydration reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005292 vacuum distillation Methods 0.000 abstract 4
- 239000005997 Calcium carbide Substances 0.000 description 5
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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CN201110158322.5A CN102267865B (zh) | 2011-05-30 | 2011-05-30 | 氯乙烯精馏残液中提纯二氯乙烷的方法 |
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CN201110158322.5A CN102267865B (zh) | 2011-05-30 | 2011-05-30 | 氯乙烯精馏残液中提纯二氯乙烷的方法 |
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CN102267865A CN102267865A (zh) | 2011-12-07 |
CN102267865B true CN102267865B (zh) | 2014-03-12 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104211563B (zh) * | 2014-07-21 | 2016-05-04 | 新疆中泰化学股份有限公司 | 一种氯乙烯高沸物回收工艺及其设备 |
CN104474730B (zh) * | 2014-11-20 | 2016-09-21 | 新疆中泰化学股份有限公司 | 高沸物专用vcm精馏分离装置及分离方法 |
CN107501039B (zh) * | 2017-07-28 | 2020-03-10 | 石河子天域新实化工有限公司 | 一种氯乙烯高沸塔排污与回收的控制方法 |
CN114569929B (zh) * | 2022-02-18 | 2023-01-31 | 宁夏英力特化工股份有限公司 | 一种用于氯乙烯精馏残液分解装置及分解方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1394836A (zh) * | 2002-08-01 | 2003-02-05 | 上海工程化学设计院有限公司 | 氯乙烯生产过程中二氯乙烷的三塔精制方法 |
CN1396893A (zh) * | 2000-11-29 | 2003-02-12 | 芬诺利特技术两合公司 | 提纯1,2-二氯乙烷的方法 |
CN101955413A (zh) * | 2010-08-26 | 2011-01-26 | 绍兴市东湖生化有限公司 | 一种分离处理酸性二氯乙烷混合物的方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396893A (zh) * | 2000-11-29 | 2003-02-12 | 芬诺利特技术两合公司 | 提纯1,2-二氯乙烷的方法 |
CN1394836A (zh) * | 2002-08-01 | 2003-02-05 | 上海工程化学设计院有限公司 | 氯乙烯生产过程中二氯乙烷的三塔精制方法 |
CN101955413A (zh) * | 2010-08-26 | 2011-01-26 | 绍兴市东湖生化有限公司 | 一种分离处理酸性二氯乙烷混合物的方法 |
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