CN102060767B - 一种由甲苯生产己内酰胺的方法 - Google Patents
一种由甲苯生产己内酰胺的方法 Download PDFInfo
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- CN102060767B CN102060767B CN2009102199748A CN200910219974A CN102060767B CN 102060767 B CN102060767 B CN 102060767B CN 2009102199748 A CN2009102199748 A CN 2009102199748A CN 200910219974 A CN200910219974 A CN 200910219974A CN 102060767 B CN102060767 B CN 102060767B
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 title claims abstract description 209
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 61
- 230000003647 oxidation Effects 0.000 claims abstract description 57
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 46
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 238000005886 esterification reaction Methods 0.000 claims abstract description 27
- 239000006227 byproduct Substances 0.000 claims abstract description 25
- 230000032050 esterification Effects 0.000 claims abstract description 25
- 230000009435 amidation Effects 0.000 claims abstract description 21
- 238000007112 amidation reaction Methods 0.000 claims abstract description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004821 distillation Methods 0.000 claims abstract description 16
- 150000002148 esters Chemical class 0.000 claims abstract description 15
- RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical compound CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000007670 refining Methods 0.000 claims abstract description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 6
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 5
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 5
- 230000008707 rearrangement Effects 0.000 claims abstract description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 3
- NZNMSOFKMUBTKW-UHFFFAOYSA-N Cyclohexanecarboxylic acid Natural products OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 claims description 39
- 239000000047 product Substances 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 32
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 claims description 28
- 239000002904 solvent Substances 0.000 claims description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 13
- 229940059260 amidate Drugs 0.000 claims description 13
- NPUKDXXFDDZOKR-LLVKDONJSA-N etomidate Chemical compound CCOC(=O)C1=CN=CN1[C@H](C)C1=CC=CC=C1 NPUKDXXFDDZOKR-LLVKDONJSA-N 0.000 claims description 13
- 238000006460 hydrolysis reaction Methods 0.000 claims description 13
- -1 hexahydrobenzoic acid ester Chemical class 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 230000007062 hydrolysis Effects 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 8
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- 229960004217 benzyl alcohol Drugs 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- VZFUCHSFHOYXIS-UHFFFAOYSA-N cycloheptane carboxylic acid Natural products OC(=O)C1CCCCCC1 VZFUCHSFHOYXIS-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- ODDHBYXHXZCAGQ-UHFFFAOYSA-N methyl 2-anilinobenzoate Chemical class COC(=O)C1=CC=CC=C1NC1=CC=CC=C1 ODDHBYXHXZCAGQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 239000003570 air Substances 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
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- 125000005527 methyl sulfate group Chemical group 0.000 claims description 2
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- 238000006213 oxygenation reaction Methods 0.000 claims description 2
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- 230000008569 process Effects 0.000 abstract description 16
- 239000005711 Benzoic acid Substances 0.000 abstract description 10
- 235000010233 benzoic acid Nutrition 0.000 abstract description 10
- 239000000843 powder Substances 0.000 abstract description 5
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 abstract description 4
- 238000011938 amidation process Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 2
- NZNMSOFKMUBTKW-UHFFFAOYSA-M cyclohexanecarboxylate Chemical compound [O-]C(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-M 0.000 abstract 3
- 230000003301 hydrolyzing effect Effects 0.000 abstract 2
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 abstract 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 45
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 13
- 239000012071 phase Substances 0.000 description 11
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- 238000005260 corrosion Methods 0.000 description 7
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- 239000002994 raw material Substances 0.000 description 6
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- RSPWPAYFBOWLKA-UHFFFAOYSA-N cyclohexane;formic acid Chemical compound OC=O.C1CCCCC1 RSPWPAYFBOWLKA-UHFFFAOYSA-N 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
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- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
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- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
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- 229930195729 fatty acid Natural products 0.000 description 1
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- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- 229940095102 methyl benzoate Drugs 0.000 description 1
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- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical group OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
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- 206010037844 rash Diseases 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
项目 | 条件 | 甲苯转化率(%) | 苯甲酸收率(%) |
实施例1 | 添加苯甲酸甲酯 | 97 | 90 |
对照实施例1 | 不添加苯甲酸甲酯 | 80 | 60 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009102199748A CN102060767B (zh) | 2009-11-18 | 2009-11-18 | 一种由甲苯生产己内酰胺的方法 |
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CN2009102199748A CN102060767B (zh) | 2009-11-18 | 2009-11-18 | 一种由甲苯生产己内酰胺的方法 |
Publications (2)
Publication Number | Publication Date |
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CN102060767A CN102060767A (zh) | 2011-05-18 |
CN102060767B true CN102060767B (zh) | 2012-08-22 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104557705B (zh) * | 2013-10-15 | 2017-06-09 | 中国石油化工股份有限公司 | 一种己内酰胺精制的方法和装置 |
EP2952237A1 (en) * | 2014-06-02 | 2015-12-09 | Sulzer Chemtech AG | Method for purification of benzoic acid |
CN108546232B (zh) * | 2018-05-22 | 2020-10-16 | 湖北汇达科技发展有限公司 | 一种单取代或双取代苯甲酸酯类化合物的制备方法 |
CN109053780B (zh) * | 2018-07-05 | 2020-09-29 | 浙江合聚生物医药有限公司 | 一种抗肿瘤药物Acalabrutinib关键中间体的制备方法 |
CN110483311B (zh) * | 2019-09-25 | 2022-12-23 | 上海市计量测试技术研究院 | 一种五氘取代的孔雀石绿盐的合成方法 |
CN115819344A (zh) * | 2023-01-13 | 2023-03-21 | 神马实业股份有限公司 | 液相贝克曼重排生产己内酰胺同时副产硫酸酯的工艺方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB904302A (en) * | 1959-01-28 | 1962-08-29 | Snia Viscosa | Improvements in processes for the production of caprolactam |
US4349473A (en) * | 1979-11-02 | 1982-09-14 | Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A | Process for the preparation of ω-lactams, in particular caprolactam |
CN1553896A (zh) * | 2001-09-12 | 2004-12-08 | ɻ�ѧ��ʽ���� | 生产内酰胺的方法 |
-
2009
- 2009-11-18 CN CN2009102199748A patent/CN102060767B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB904302A (en) * | 1959-01-28 | 1962-08-29 | Snia Viscosa | Improvements in processes for the production of caprolactam |
US4349473A (en) * | 1979-11-02 | 1982-09-14 | Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A | Process for the preparation of ω-lactams, in particular caprolactam |
CN1553896A (zh) * | 2001-09-12 | 2004-12-08 | ɻ�ѧ��ʽ���� | 生产内酰胺的方法 |
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