CN110128240B - 一种悬浮熔融结晶法分离对氯溴苯和邻氯溴苯的方法 - Google Patents
一种悬浮熔融结晶法分离对氯溴苯和邻氯溴苯的方法 Download PDFInfo
- Publication number
- CN110128240B CN110128240B CN201910516479.7A CN201910516479A CN110128240B CN 110128240 B CN110128240 B CN 110128240B CN 201910516479 A CN201910516479 A CN 201910516479A CN 110128240 B CN110128240 B CN 110128240B
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- China
- Prior art keywords
- bromochlorobenzene
- chlorobromobenzene
- separating
- bromochloro
- benzene
- 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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Links
- NHDODQWIKUYWMW-UHFFFAOYSA-N 1-bromo-4-chlorobenzene Chemical compound ClC1=CC=C(Br)C=C1 NHDODQWIKUYWMW-UHFFFAOYSA-N 0.000 title claims abstract description 99
- QBELEDRHMPMKHP-UHFFFAOYSA-N 1-bromo-2-chlorobenzene Chemical compound ClC1=CC=CC=C1Br QBELEDRHMPMKHP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000002425 crystallisation Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000000725 suspension Substances 0.000 title claims abstract description 31
- 238000002844 melting Methods 0.000 title claims abstract description 24
- 230000008018 melting Effects 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000013078 crystal Substances 0.000 claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 230000008025 crystallization Effects 0.000 claims abstract description 29
- 239000006185 dispersion Substances 0.000 claims abstract description 24
- 239000000155 melt Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000000967 suction filtration Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000012452 mother liquor Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 10
- 239000000047 product Substances 0.000 description 24
- ALINVVBOLJMYOC-UHFFFAOYSA-N bromobenzene;hydrochloride Chemical compound Cl.BrC1=CC=CC=C1 ALINVVBOLJMYOC-UHFFFAOYSA-N 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 238000004064 recycling Methods 0.000 description 10
- 230000035900 sweating Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- JBLSZOJIKAQEKG-UHFFFAOYSA-N phenyl hypobromite Chemical compound BrOC1=CC=CC=C1 JBLSZOJIKAQEKG-UHFFFAOYSA-N 0.000 description 3
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005740 Boscalid Substances 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- YWGDOWXRIALTES-NRFANRHFSA-N bepotastine Chemical compound C1CN(CCCC(=O)O)CCC1O[C@H](C=1N=CC=CC=1)C1=CC=C(Cl)C=C1 YWGDOWXRIALTES-NRFANRHFSA-N 0.000 description 1
- 229960002071 bepotastine Drugs 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- WYEMLYFITZORAB-UHFFFAOYSA-N boscalid Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1NC(=O)C1=CC=CN=C1Cl WYEMLYFITZORAB-UHFFFAOYSA-N 0.000 description 1
- 229940118790 boscalid Drugs 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- FGZQJFGRLGJWBH-UHFFFAOYSA-N bromobenzene;dihydrochloride Chemical compound Cl.Cl.BrC1=CC=CC=C1 FGZQJFGRLGJWBH-UHFFFAOYSA-N 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/392—Separation; Purification; Stabilisation; Use of additives by crystallisation; Purification or separation of the crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201910516479.7A CN110128240B (zh) | 2019-06-14 | 2019-06-14 | 一种悬浮熔融结晶法分离对氯溴苯和邻氯溴苯的方法 |
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CN201910516479.7A CN110128240B (zh) | 2019-06-14 | 2019-06-14 | 一种悬浮熔融结晶法分离对氯溴苯和邻氯溴苯的方法 |
Publications (2)
Publication Number | Publication Date |
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CN110128240A CN110128240A (zh) | 2019-08-16 |
CN110128240B true CN110128240B (zh) | 2021-11-02 |
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CN201910516479.7A Active CN110128240B (zh) | 2019-06-14 | 2019-06-14 | 一种悬浮熔融结晶法分离对氯溴苯和邻氯溴苯的方法 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1113907A (zh) * | 1994-06-22 | 1995-12-27 | 天津市塘沽区大东理化研究所 | 生产精制1,2,4-三氯苯的新工艺 |
EP0878456A1 (en) * | 1997-05-14 | 1998-11-18 | Albemarle Corporation | Process for the preparation of p-bromotoluene |
WO2014082537A1 (zh) * | 2012-11-28 | 2014-06-05 | 江苏隆昌化工有限公司 | 一种对二氯苯分步结晶工艺 |
CN103922892A (zh) * | 2014-04-04 | 2014-07-16 | 福州大学 | 一种3,4-二氯溴苯的制备方法 |
CN105859517A (zh) * | 2016-05-03 | 2016-08-17 | 四川福思达生物技术开发有限责任公司 | 一种三氯苯的混合物中提纯1,2,4-三氯苯的方法 |
-
2019
- 2019-06-14 CN CN201910516479.7A patent/CN110128240B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1113907A (zh) * | 1994-06-22 | 1995-12-27 | 天津市塘沽区大东理化研究所 | 生产精制1,2,4-三氯苯的新工艺 |
EP0878456A1 (en) * | 1997-05-14 | 1998-11-18 | Albemarle Corporation | Process for the preparation of p-bromotoluene |
WO2014082537A1 (zh) * | 2012-11-28 | 2014-06-05 | 江苏隆昌化工有限公司 | 一种对二氯苯分步结晶工艺 |
CN103922892A (zh) * | 2014-04-04 | 2014-07-16 | 福州大学 | 一种3,4-二氯溴苯的制备方法 |
CN105859517A (zh) * | 2016-05-03 | 2016-08-17 | 四川福思达生物技术开发有限责任公司 | 一种三氯苯的混合物中提纯1,2,4-三氯苯的方法 |
Non-Patent Citations (1)
Title |
---|
Melt crystallization of isomeric long-chain aldehydes from hydroformylation;Beierling, Thorsten et al;《SEPARATION AND PURIFICATION TECHNOLOGY》;20131030;第118卷;第13-24页 * |
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Effective date of registration: 20230717 Address after: 052263 Mayu Village, Jinzhou City, Shijiazhuang City, Hebei Province Patentee after: HEBEI LANSHENG BIOTECH Co.,Ltd. Address before: No. 26 Yuxiang street, Shijiazhuang, Hebei Province, Hebei Patentee before: HEBEI University OF SCIENCE AND TECHNOLOGY |
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Address after: 052260 No.1, Hongsheng Road West, Mayu Village, Mayu Township, Jinzhou City, Shijiazhuang City, Hebei Province Patentee after: Lansheng Biotechnology Group Co.,Ltd. Address before: 052263 Mayu Village, Jinzhou City, Shijiazhuang City, Hebei Province Patentee before: HEBEI LANSHENG BIOTECH Co.,Ltd. |