CN114349641B - 一种提纯方法 - Google Patents
一种提纯方法 Download PDFInfo
- Publication number
- CN114349641B CN114349641B CN202011090685.5A CN202011090685A CN114349641B CN 114349641 B CN114349641 B CN 114349641B CN 202011090685 A CN202011090685 A CN 202011090685A CN 114349641 B CN114349641 B CN 114349641B
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- Prior art keywords
- crystallization
- solvent
- trichlorobenzene
- purity
- reaction
- 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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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000000746 purification Methods 0.000 title claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 27
- 230000008025 crystallization Effects 0.000 claims abstract description 24
- 239000002904 solvent Substances 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000006396 nitration reaction Methods 0.000 claims abstract description 5
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 claims description 48
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- WUMOEIUPWHYXBM-UHFFFAOYSA-N 2,3,4-trichloro-1,5-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC([N+]([O-])=O)=C(Cl)C(Cl)=C1Cl WUMOEIUPWHYXBM-UHFFFAOYSA-N 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 239000005416 organic matter Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- -1 1,2, 4-trichloro-3, 6-dinitrobenzene Chemical compound 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000011368 organic material Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 238000004817 gas chromatography Methods 0.000 description 7
- 238000010606 normalization Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- XKEFYDZQGKAQCN-UHFFFAOYSA-N 1,3,5-trichlorobenzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1 XKEFYDZQGKAQCN-UHFFFAOYSA-N 0.000 description 1
- DPYROBMRMXHROQ-UHFFFAOYSA-N 4,6-diaminobenzene-1,3-diol Chemical compound NC1=CC(N)=C(O)C=C1O DPYROBMRMXHROQ-UHFFFAOYSA-N 0.000 description 1
- GAKFXHZPQGSWHQ-UHFFFAOYSA-N 4,6-diaminobenzene-1,3-diol;hydrochloride Chemical compound Cl.NC1=CC(N)=C(O)C=C1O GAKFXHZPQGSWHQ-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical group 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000382 dechlorinating effect Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 150000004816 dichlorobenzenes Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- JLYXXMFPNIAWKQ-GNIYUCBRSA-N gamma-hexachlorocyclohexane Chemical compound Cl[C@H]1[C@H](Cl)[C@@H](Cl)[C@@H](Cl)[C@H](Cl)[C@H]1Cl JLYXXMFPNIAWKQ-GNIYUCBRSA-N 0.000 description 1
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N gamma-hexachlorocyclohexane Natural products ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 description 1
- 150000005826 halohydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229960002809 lindane Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000927 poly(p-phenylene benzobisoxazole) Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
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CN202011090685.5A CN114349641B (zh) | 2020-10-13 | 2020-10-13 | 一种提纯方法 |
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CN202011090685.5A CN114349641B (zh) | 2020-10-13 | 2020-10-13 | 一种提纯方法 |
Publications (2)
Publication Number | Publication Date |
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CN114349641A CN114349641A (zh) | 2022-04-15 |
CN114349641B true CN114349641B (zh) | 2024-01-30 |
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Family Applications (1)
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CN202011090685.5A Active CN114349641B (zh) | 2020-10-13 | 2020-10-13 | 一种提纯方法 |
Country Status (1)
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4306103A (en) * | 1979-05-18 | 1981-12-15 | Hoechst Aktiengesellschaft | Process for the manufacture of 1,3,5-trichlorobenzene |
CN110878022A (zh) * | 2018-09-06 | 2020-03-13 | 中国石油化工股份有限公司 | 一种1,2,3-三氯-4,6-二硝基苯的制备方法 |
-
2020
- 2020-10-13 CN CN202011090685.5A patent/CN114349641B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4306103A (en) * | 1979-05-18 | 1981-12-15 | Hoechst Aktiengesellschaft | Process for the manufacture of 1,3,5-trichlorobenzene |
CN110878022A (zh) * | 2018-09-06 | 2020-03-13 | 中国石油化工股份有限公司 | 一种1,2,3-三氯-4,6-二硝基苯的制备方法 |
Non-Patent Citations (2)
Title |
---|
1,2,3-三氯苯的硝化反应研究;董娟等;《化学与生物工程》;第28卷(第9期);第43-46页 * |
史瑞欣等.均匀实验法优化4,6-二硝基-1,2,3-三氯苯合成工艺.《哈尔滨工业大学学报》.2007,第39卷(第7期),第1125-1127页. * |
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Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Address before: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee before: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Country or region before: China Patentee before: CHINA PETROLEUM & CHEMICAL Corp. |