CN105348067A - 一种联产甲基苯甲酸和苯二甲酸的方法 - Google Patents
一种联产甲基苯甲酸和苯二甲酸的方法 Download PDFInfo
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- CN105348067A CN105348067A CN201510632352.3A CN201510632352A CN105348067A CN 105348067 A CN105348067 A CN 105348067A CN 201510632352 A CN201510632352 A CN 201510632352A CN 105348067 A CN105348067 A CN 105348067A
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- Prior art keywords
- oxidation reactor
- acid
- general formula
- phthalic
- reaction
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 title claims abstract description 96
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 177
- 230000003647 oxidation Effects 0.000 claims abstract description 155
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 115
- 238000006243 chemical reaction Methods 0.000 claims abstract description 68
- 239000000047 product Substances 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 52
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 27
- 239000001301 oxygen Substances 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 17
- 239000012065 filter cake Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000002425 crystallisation Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000009835 boiling Methods 0.000 claims abstract description 9
- 230000008025 crystallization Effects 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 239000011541 reaction mixture Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims description 54
- 125000003944 tolyl group Chemical group 0.000 claims description 51
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 32
- 239000000706 filtrate Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 20
- -1 transition metal salt Chemical class 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000003039 volatile agent Substances 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000008096 xylene Substances 0.000 claims description 10
- 125000004429 atom Chemical group 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000003368 amide group Chemical group 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- MKACMVMZUIQKNY-UHFFFAOYSA-N 2-hydroxy-5-nitroisoindole-1,3-dione Chemical compound C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(=O)C2=C1 MKACMVMZUIQKNY-UHFFFAOYSA-N 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 3
- NQTADLQHYWFPDB-UHFFFAOYSA-N N-Hydroxysuccinimide Chemical compound ON1C(=O)CCC1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- TZMFJUDUGYTVRY-UHFFFAOYSA-N pentane-2,3-dione Chemical compound CCC(=O)C(C)=O TZMFJUDUGYTVRY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 32
- 239000003054 catalyst Substances 0.000 abstract description 8
- 238000004821 distillation Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005194 fractionation Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 26
- 239000011572 manganese Substances 0.000 description 21
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 17
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 17
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 11
- 239000000543 intermediate Substances 0.000 description 10
- 239000006227 byproduct Substances 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- WAPNOHKVXSQRPX-UHFFFAOYSA-N 1-phenylethanol Chemical class CC(O)C1=CC=CC=C1 WAPNOHKVXSQRPX-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 150000003254 radicals Chemical class 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- YNKMHABLMGIIFX-UHFFFAOYSA-N benzaldehyde;methane Chemical compound C.O=CC1=CC=CC=C1 YNKMHABLMGIIFX-UHFFFAOYSA-N 0.000 description 4
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004811 liquid chromatography Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- HYZQBNDRDQEWAN-LNTINUHCSA-N (z)-4-hydroxypent-3-en-2-one;manganese(3+) Chemical compound [Mn+3].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O HYZQBNDRDQEWAN-LNTINUHCSA-N 0.000 description 1
- DNEXRQSSNZPAJJ-UHFFFAOYSA-N 2-methylbenzenecarboperoxoic acid Chemical class CC1=CC=CC=C1C(=O)OO DNEXRQSSNZPAJJ-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical class OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NHAOZLUXPKUBGM-UHFFFAOYSA-N [N+](=O)(O)[O-].CC1=C(C=CC=C1)C Chemical compound [N+](=O)(O)[O-].CC1=C(C=CC=C1)C NHAOZLUXPKUBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000012675 alcoholic extract Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- XPNGNIFUDRPBFJ-UHFFFAOYSA-N alpha-methylbenzylalcohol Natural products CC1=CC=CC=C1CO XPNGNIFUDRPBFJ-UHFFFAOYSA-N 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- SZKXDURZBIICCF-UHFFFAOYSA-N cobalt;pentane-2,4-dione Chemical compound [Co].CC(=O)CC(C)=O SZKXDURZBIICCF-UHFFFAOYSA-N 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical group [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
Abstract
Description
Claims (9)
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CN105348067A true CN105348067A (zh) | 2016-02-24 |
CN105348067B CN105348067B (zh) | 2017-12-12 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106831392A (zh) * | 2016-12-05 | 2017-06-13 | 江西科苑生物药业有限公司 | 一种联产苯甲酸、对甲基苯甲酸和间甲基苯甲酸的方法 |
CN108117486A (zh) * | 2017-12-13 | 2018-06-05 | 江西科苑生物药业有限公司 | 一种联产甲基苯甲酸、甲基苯甲酰氯和苯二甲酰氯的方法 |
CN108863757A (zh) * | 2017-12-13 | 2018-11-23 | 江西科苑生物药业有限公司 | 一种联产甲基苯甲酸、甲基苯甲腈和苯二甲腈方法 |
CN111574355A (zh) * | 2020-03-31 | 2020-08-25 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的智能氧化系统及方法 |
CN111569454A (zh) * | 2020-03-31 | 2020-08-25 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的内置微界面氧化系统及方法 |
CN111569788A (zh) * | 2020-03-31 | 2020-08-25 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的外置微界面氧化系统及方法 |
CN112441907A (zh) * | 2019-08-30 | 2021-03-05 | 山东有言环保科技有限公司 | 一种联产单取代甲基苯甲酸和单取代苯二甲酸的方法 |
CN112441926A (zh) * | 2019-08-30 | 2021-03-05 | 山东有言环保科技有限公司 | 一种联产间甲基苯甲酸硝化物和间苯二甲酸的方法 |
CN113248362A (zh) * | 2021-05-27 | 2021-08-13 | 成家钢 | 3,5-二甲基苯甲酸及其连续制备的方法 |
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CN1453259A (zh) * | 2003-05-26 | 2003-11-05 | 郭灿城 | 催化空气氧化芳香甲基苯制备芳香羧酸的方法 |
CN1944396A (zh) * | 2006-10-27 | 2007-04-11 | 北京工业大学 | 仿生催化氧气氧化邻硝基甲苯制备邻硝基苯甲酸的方法 |
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2015
- 2015-09-29 CN CN201510632352.3A patent/CN105348067B/zh active Active
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CN1453259A (zh) * | 2003-05-26 | 2003-11-05 | 郭灿城 | 催化空气氧化芳香甲基苯制备芳香羧酸的方法 |
CN1944396A (zh) * | 2006-10-27 | 2007-04-11 | 北京工业大学 | 仿生催化氧气氧化邻硝基甲苯制备邻硝基苯甲酸的方法 |
CN102924266A (zh) * | 2012-10-26 | 2013-02-13 | 中国石油化工股份有限公司 | 由混合二甲苯共氧化的催化剂体系制备苯二甲酸的方法 |
Non-Patent Citations (1)
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徐克文: "金属卟啉催化空气氧化对二甲苯制备对甲基苯甲酸和对苯二甲酸", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技I辑》 * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106831392A (zh) * | 2016-12-05 | 2017-06-13 | 江西科苑生物药业有限公司 | 一种联产苯甲酸、对甲基苯甲酸和间甲基苯甲酸的方法 |
CN106831392B (zh) * | 2016-12-05 | 2020-11-17 | 江西科苑生物药业有限公司 | 一种联产苯甲酸、对甲基苯甲酸和间甲基苯甲酸的方法 |
CN108117486A (zh) * | 2017-12-13 | 2018-06-05 | 江西科苑生物药业有限公司 | 一种联产甲基苯甲酸、甲基苯甲酰氯和苯二甲酰氯的方法 |
CN108863757A (zh) * | 2017-12-13 | 2018-11-23 | 江西科苑生物药业有限公司 | 一种联产甲基苯甲酸、甲基苯甲腈和苯二甲腈方法 |
CN112441926A (zh) * | 2019-08-30 | 2021-03-05 | 山东有言环保科技有限公司 | 一种联产间甲基苯甲酸硝化物和间苯二甲酸的方法 |
CN112441907B (zh) * | 2019-08-30 | 2023-10-31 | 山东友道化学有限公司 | 一种联产单取代甲基苯甲酸和单取代苯二甲酸的方法 |
CN112441926B (zh) * | 2019-08-30 | 2022-10-14 | 山东友道化学有限公司 | 一种联产间甲基苯甲酸硝化物和间苯二甲酸的方法 |
CN112441907A (zh) * | 2019-08-30 | 2021-03-05 | 山东有言环保科技有限公司 | 一种联产单取代甲基苯甲酸和单取代苯二甲酸的方法 |
CN111574355A (zh) * | 2020-03-31 | 2020-08-25 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的智能氧化系统及方法 |
WO2021196386A1 (zh) * | 2020-03-31 | 2021-10-07 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的内置微界面氧化系统及方法 |
CN111569788A (zh) * | 2020-03-31 | 2020-08-25 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的外置微界面氧化系统及方法 |
JP2023513384A (ja) * | 2020-03-31 | 2023-03-30 | 南京延長反応技術研究院有限公司 | パラキシレンからテレフタル酸を製造する内蔵マイクロ界面酸化システム及び方法 |
CN111569454A (zh) * | 2020-03-31 | 2020-08-25 | 南京延长反应技术研究院有限公司 | 对二甲苯制备对苯二甲酸的内置微界面氧化系统及方法 |
JP7433584B2 (ja) | 2020-03-31 | 2024-02-20 | 南京延長反応技術研究院有限公司 | パラキシレンからテレフタル酸を製造する内蔵マイクロ界面酸化システム及び方法 |
CN113248362A (zh) * | 2021-05-27 | 2021-08-13 | 成家钢 | 3,5-二甲基苯甲酸及其连续制备的方法 |
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