JP5264035B2 - 無水フタル酸を製造する方法 - Google Patents
無水フタル酸を製造する方法 Download PDFInfo
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- JP5264035B2 JP5264035B2 JP2002521175A JP2002521175A JP5264035B2 JP 5264035 B2 JP5264035 B2 JP 5264035B2 JP 2002521175 A JP2002521175 A JP 2002521175A JP 2002521175 A JP2002521175 A JP 2002521175A JP 5264035 B2 JP5264035 B2 JP 5264035B2
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- catalyst
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- phthalic anhydride
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- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title claims abstract description 20
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 110
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000008096 xylene Substances 0.000 claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 10
- 238000012546 transfer Methods 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims description 11
- 229940078552 o-xylene Drugs 0.000 claims description 10
- 238000011068 loading method Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 description 32
- 239000007789 gas Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 9
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000004408 titanium dioxide Substances 0.000 description 7
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 description 6
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- 239000012495 reaction gas Substances 0.000 description 6
- 239000011149 active material Substances 0.000 description 5
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 5
- 230000004087 circulation Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 4
- FLJPGEWQYJVDPF-UHFFFAOYSA-L caesium sulfate Chemical compound [Cs+].[Cs+].[O-]S([O-])(=O)=O FLJPGEWQYJVDPF-UHFFFAOYSA-L 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 4
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- OGUCKKLSDGRKSH-UHFFFAOYSA-N oxalic acid oxovanadium Chemical compound [V].[O].C(C(=O)O)(=O)O OGUCKKLSDGRKSH-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 2
- 229910001942 caesium oxide Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000003426 co-catalyst Substances 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- SQNZJJAZBFDUTD-UHFFFAOYSA-N durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- -1 phosphorus compound Chemical class 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229930192627 Naphthoquinone Natural products 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- IKWTVSLWAPBBKU-UHFFFAOYSA-N a1010_sial Chemical compound O=[As]O[As]=O IKWTVSLWAPBBKU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 229910000413 arsenic oxide Inorganic materials 0.000 description 1
- 229960002594 arsenic trioxide Drugs 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- JIHMVMRETUQLFD-UHFFFAOYSA-N cerium(3+);dioxido(oxo)silane Chemical compound [Ce+3].[Ce+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O JIHMVMRETUQLFD-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 125000005506 phthalide group Chemical group 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- KFAIYPBIFILLEZ-UHFFFAOYSA-N thallium(i) oxide Chemical compound [Tl]O[Tl] KFAIYPBIFILLEZ-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 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
-
- 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
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
- C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
五酸化バナジウム 3〜5質量%
アルカリ金属酸化物、たとえば酸化セシウ 0.1〜1質量%ム
二酸化チタン 94〜96.9質量%
第2の層:
五酸化バナジウム 6〜9質量%
アルカリ金属酸化物、たとえば酸化セシウム 0〜0.3質量%
五酸化リン(Pとして計算) 0.05〜0.4質量%
場合によっては別の助触媒、特にSb2O3 1〜5質量%
二酸化チタン 85.3〜93.95質量%
一般に、反応は、第1の反応領域で、反応ガス中に含まれるo−キシレンおよび/またはナフタレンの大部分が反応するように行う。
活性を促進させる助触媒、特にSb2O3 1〜5質量%
五酸化リン(Pとして計算) 0.1〜0.5質量%
二酸化チタン 85.5〜92.9質量%
本発明による方法は、o−キシレンおよび/またはナフタレンの負荷量が大きい場合および空間速度が大きい場合にも、無水フタル酸を高い収量で、副生成物、特にフタリドの濃度を小さいままで製造できるという利点を有する。本発明による方法の条件下では、フタリド濃度は、PSAに対して0.1質量%より高くない。また、本発明による方法の利点は、使用する触媒系が劣化によって活性を失う場合に、特に効力を発揮する。長い運転時間後でも、第2の触媒層内のホットスポットの温度はわずかしか上昇しない。
1)触媒I−IIIの製造
触媒I
外径8mm、長さ6mmおよび壁厚1.5mmであるステアタイト(ケイ酸マグネシウム)リング50kgを、コーティングドラム内で160℃に加熱して、20m2/gのBET表面積を有するアナターゼ28.6kg、シュウ酸バナジル2.19kg、硫酸セシウム0.176kg、水44.1kgおよびホルムアミド9.14kgからなる懸濁液を、塗布した層の重量が製造した触媒の全重量の10.5%になる(450℃での焼成後)まで噴霧した。
外径8mm、長さ6mmおよび壁厚1.5mmであるステアタイト(ケイ酸マグネシウム)リング50kgを、コーティングドラム内で160℃に加熱して、20m2/gのBET表面積を有するアナターゼ28.6kg、シュウ酸バナジル4.11kg、三酸化アンチモン1.03kg、リン酸二水素アンモニウム0.179kg、硫酸セシウム0.045kg、水44.1kgおよびホルムアミド9.14kgからなる懸濁液を、塗布した層の重量が製造した触媒の全重量の10.5%になる(450℃の焼成後)まで噴霧した。
外径8mm、長さ6mmおよび壁厚1.5mmであるステアタイト(ケイ酸マグネシウム)リング50kgを、コーティングドラム内で160℃に加熱して、11m2/gのBET表面積を有するアナターゼ28.6kg、シュウ酸バナジル3.84kg、三酸化アンチモン0.80g、リン酸二水素アンモニウム0.239kg、水44.1kgおよびホルムアミド9.14kgからなる懸濁液を、塗布した層の重量が製造した触媒の全重量の12.5%になる(450℃での焼成後)まで噴霧した。
2a)PSAの製造−本発明による場合と比較例(充填物長さのバリエーションによるホットスポット温度差の調節)
下方から上方へ、10Lの管反応器(標準管99本、温度管2本)内で、それぞれ、触媒II(比較例:1.30m;本発明による:0.70m)と、これに続いて触媒I(比較例:1.70m;本発明:2.30m)とを、長さ3.60mであって25mmの内径を有する各鉄管(温度管の場合は29mm、内径10mmの熱電対シースを備え、30倍の熱電対(すべて長さ10cm)が組み込まれている)内に充填した。圧力調整によって、各管入口では同じ入口圧力を示すようになっている。場合によっては、99本の標準管では、さらにいくらか触媒Iを添加するかもしくは吸引させ、その一方で、2本の温度管では、ステアタイト球もしくは石英球の形の内部材料を添加することによって圧力調整が得られた。鉄管は、温度制御のために、塩溶融物によって周りを取り囲まれており、この塩溶融物は、分離された2つの塩浴内に存在している。下側の塩浴は、下側の管底から高さ1.30mまで管を取り囲んでおり、上側の塩浴は、高さ1.30mから上側の管頂まで管を取り囲んでいる。この管を通して毎時間上から下へ、98.5質量%o−キシレンの負荷量が空気1Nm3あたり100g(約2ヶ月のランニングアップ時間後)である空気を管1本あたり4.0Nm3導入した。主反応器を出た後のこの未処理の生成ガス流を、280〜290℃に冷却し、さらに100kgの触媒IIIを充填した断熱された仕上げ反応器(内径0.45m、高さ0.99m)に通した。
2a)で比較例として運転した触媒の組み合わせで、250dの運転時間後、温度ストラクチャリング(SBT下側を低くまたはSBT上側を高くする)もしくは温度バリエーション(SBT下側およびSBT上側を高くする)によって、温度差が40℃より大きくなるように調節した。他の試験条件はすべて、試験2a)に対して変化させなかった。
Claims (6)
- 伝熱媒体によってサーモスタット調節された多管式反応器内で、層状に配置された異なる2つの固定床触媒でキシレン、ナフタレンまたはこれらの混合物の気相酸化によって無水フタル酸を製造する方法において、流れ方向で見て、第2の触媒層内の最高温度が第1の触媒層内の最高温度よりも少なくとも52℃低く、第1の触媒層内の最高温度と第2の触媒層内の最高温度との温度差を、第1の触媒層の充填物長さが、両触媒の充填物の全長の60%よりも大きいこれらの触媒層の充填物の長さ比によって制御するか、または第1の触媒層内の最高温度と第2の触媒層内の最高温度との温度差を、伝熱媒体の温度によって制御し、その際、伝熱媒体の温度が、360℃以下であり、
気相1Nm 3 あたりo−キシレンおよび/またはナフタレン80〜140gの負荷量を有する気相を使用する、無水フタル酸を製造する方法。
- 第2の触媒層内の最高温度が、第1の触媒層内の最高温度よりも少なくとも55℃低い、請求項1記載の方法。
- 第2の触媒層内の最高温度が、第1の触媒層内の最高温度よりも少なくとも60℃低い、請求項1記載の方法。
- 第1の触媒層の充填物長さが、両触媒の充填物の全長の75%よりも大きい、請求項1から3までのいずれか1項記載の方法。
- 第1の触媒層内の最高温度が、470℃よりも低い、請求項1から4までのいずれか1項記載の方法。
- ガス混合物の空間速度が、2000h-1以上である、請求項1から5までのいずれか1項記載の方法。
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DE10040827A DE10040827A1 (de) | 2000-08-21 | 2000-08-21 | Verfahren zur Herstellung von Phthalsäureanhydrid |
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PCT/EP2001/009584 WO2002016299A1 (de) | 2000-08-21 | 2001-08-20 | Verfahren zur herstellung von phthalsäureanhydrid |
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DE10206989A1 (de) * | 2002-02-19 | 2003-08-21 | Basf Ag | Verfahren zur Herstellung von Phthalsäureanhydrid |
US7008544B2 (en) * | 2002-05-08 | 2006-03-07 | Marine Desalination Systems, L.L.C. | Hydrate-based desalination/purification using permeable support member |
DE10323818A1 (de) * | 2003-05-23 | 2004-12-09 | Basf Ag | Katalysatorsysteme zur Herstellung von Phthalsäureanhydrid |
DE102004026472A1 (de) * | 2004-05-29 | 2005-12-22 | Süd-Chemie AG | Mehrlagen-Katalysator zur Herstellung von Phthalsäureanhydrid |
CN100496740C (zh) * | 2004-05-29 | 2009-06-10 | 苏德-化学股份公司 | 用于制备邻苯二甲酸酐的多层催化剂 |
US8097558B2 (en) * | 2004-05-29 | 2012-01-17 | Sud-Chemie Ag | Catalyst and method for producing phthalic anhydride |
PL1853381T3 (pl) * | 2005-03-02 | 2012-08-31 | Clariant Int Ltd | Sposób produkcji wielowarstwowego katalizatora do produkcji bezwodnika kwasu ftalowego |
DE102005009473A1 (de) * | 2005-03-02 | 2006-09-07 | Süd-Chemie AG | Mehrlagen-Katalysator zur Herstellung von Phthalsäureanhydrid |
BRPI0520292A2 (pt) * | 2005-05-22 | 2009-04-28 | Sued Chemie Ag | catalisador de camadas méltiplas para produÇço de anidrido de Ácido ftÁlico |
US7731839B2 (en) * | 2005-05-27 | 2010-06-08 | Exxonmobil Chemical Patents Inc. | Process for reducing bromine index of hydrocarbon feedstocks |
EP1852413A1 (de) * | 2006-04-27 | 2007-11-07 | Basf Aktiengesellschaft | Verfahren zur Gasphasenoxidation unter Verwendung einer Moderatorlage |
KR101395989B1 (ko) | 2006-05-19 | 2014-05-16 | 바스프 에스이 | o-크실렌 기상 산화에 의한 프탈산 무수물의 제조 |
US8106220B2 (en) | 2006-05-19 | 2012-01-31 | Basf Se | Preparation of phthalic anhydride by gas phase oxidation of O-xylene in a main reactor and postreactor |
EP1860091A1 (de) * | 2006-05-23 | 2007-11-28 | Süd-Chemie Ag | Katalysator enthaltend Titandioxid, insbesondere zur Herstellung von Phthalsäurenanhydrid |
DE102008025843A1 (de) * | 2008-05-29 | 2009-12-03 | Bayer Technology Services Gmbh | Verfahren zur Herstellung von Phthalsäureanhydrid |
DE102009041960A1 (de) | 2009-09-17 | 2011-04-07 | Süd-Chemie AG | Verfahren zur Herstellung einer Katalysatoranordnung für die Herstellung von Phthalsäureanhydrid |
DE102009049173A1 (de) | 2009-10-13 | 2011-04-21 | Süd-Chemie AG | Reaktoranordnung zur katalytischen Gasphasenoxidation |
KR101147051B1 (ko) | 2010-04-19 | 2012-05-17 | 주식회사 대유에스이 | 가스 차량용 듀오 탱크 제조 방법 |
DE102013000654B4 (de) * | 2013-01-16 | 2020-10-15 | Clariant International Ltd. | Verfahren zur Optimierung der Aktivität eines Phthalsäureanhydrid-Katalysators |
DE102013000648A1 (de) * | 2013-01-16 | 2014-07-17 | Clariant International Ltd. | Verfahren zur Optimierung der Aktivmassenbeladung eines Phthalsäureanhydrid-Katalysators |
CN105339337A (zh) * | 2013-06-26 | 2016-02-17 | 巴斯夫欧洲公司 | 制备邻苯二甲酸酐的方法 |
KR20170004076A (ko) * | 2015-07-01 | 2017-01-11 | 엘지전자 주식회사 | 단말 장치를 포함하는 인텔리전트 에이전트 시스템 및 제어 방법 |
IT202100021746A1 (it) | 2021-08-11 | 2023-02-11 | Polynt S P A | Letto catalitico multistrato per la produzione di anidride ftalica. |
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DE4013051A1 (de) * | 1990-04-24 | 1991-11-07 | Basf Ag | Verfahren zur herstellung von phthalsaeureanhydrid aus o-xylol |
DE4109387C2 (de) * | 1991-03-22 | 1998-04-30 | Buna Sow Leuna Olefinverb Gmbh | Verfahren zur Temperatursteuerung von Salzbadröhrenreaktoren für die Phthalsäureanhydrid-Synthese |
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MXPA03001129A (es) | 2003-06-30 |
DE10040827A1 (de) | 2002-03-07 |
CN1620417A (zh) | 2005-05-25 |
CN1314651C (zh) | 2007-05-09 |
AU2002212144A1 (en) | 2002-03-04 |
ES2326957T3 (es) | 2009-10-22 |
US6774246B2 (en) | 2004-08-10 |
US20030181735A1 (en) | 2003-09-25 |
KR100799790B1 (ko) | 2008-01-31 |
ATE434596T1 (de) | 2009-07-15 |
WO2002016299A1 (de) | 2002-02-28 |
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JP2004506706A (ja) | 2004-03-04 |
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