WO2004050238A1 - Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile - Google Patents
Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile Download PDFInfo
- Publication number
- WO2004050238A1 WO2004050238A1 PCT/US2003/036940 US0336940W WO2004050238A1 WO 2004050238 A1 WO2004050238 A1 WO 2004050238A1 US 0336940 W US0336940 W US 0336940W WO 2004050238 A1 WO2004050238 A1 WO 2004050238A1
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- WO
- WIPO (PCT)
- Prior art keywords
- catalyst
- catalyst composition
- mixtures
- nickel
- silica
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims abstract description 156
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000000203 mixture Substances 0.000 claims abstract description 55
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 36
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 27
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000011651 chromium Substances 0.000 claims abstract description 22
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 21
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 20
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 19
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052792 caesium Inorganic materials 0.000 claims abstract description 18
- 239000011777 magnesium Substances 0.000 claims abstract description 18
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 18
- 239000011733 molybdenum Substances 0.000 claims abstract description 18
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 18
- 239000011734 sodium Substances 0.000 claims abstract description 18
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 18
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 17
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 17
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 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 abstract description 16
- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 16
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000003197 catalytic effect Effects 0.000 claims abstract description 14
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 14
- 239000010941 cobalt Substances 0.000 claims abstract description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 13
- 229910052796 boron Inorganic materials 0.000 claims abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 12
- 239000011574 phosphorus Substances 0.000 claims abstract description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 11
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 11
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011591 potassium Substances 0.000 claims abstract description 11
- 150000001336 alkenes Chemical class 0.000 claims abstract description 10
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims abstract description 9
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 9
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 8
- 239000011575 calcium Substances 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 7
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 7
- 229910052714 tellurium Inorganic materials 0.000 claims abstract description 7
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 6
- 229910052716 thallium Inorganic materials 0.000 claims abstract description 6
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims abstract description 6
- HUVSVEZKLBFKTA-UHFFFAOYSA-N [Ca].[W] Chemical compound [Ca].[W] HUVSVEZKLBFKTA-UHFFFAOYSA-N 0.000 claims abstract description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 82
- 239000000377 silicon dioxide Substances 0.000 claims description 41
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 229910021529 ammonia Inorganic materials 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- NACUKFIFISCLOQ-UHFFFAOYSA-N [Mg].[Cr] Chemical compound [Mg].[Cr] NACUKFIFISCLOQ-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 239000012808 vapor phase Substances 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 description 24
- 229910052906 cristobalite Inorganic materials 0.000 description 24
- 229910052682 stishovite Inorganic materials 0.000 description 24
- 229910052905 tridymite Inorganic materials 0.000 description 24
- 239000000243 solution Substances 0.000 description 23
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 17
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 16
- 229910001960 metal nitrate Inorganic materials 0.000 description 10
- 229910000667 (NH4)2Ce(NO3)6 Inorganic materials 0.000 description 9
- 229910016870 Fe(NO3)3-9H2O Inorganic materials 0.000 description 9
- 229910019427 Mg(NO3)2-6H2O Inorganic materials 0.000 description 9
- 229910018590 Ni(NO3)2-6H2O Inorganic materials 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 9
- RTHYXYOJKHGZJT-UHFFFAOYSA-N rubidium nitrate Inorganic materials [Rb+].[O-][N+]([O-])=O RTHYXYOJKHGZJT-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 6
- 229910002651 NO3 Inorganic materials 0.000 description 6
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical compound [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910021094 Co(NO3)2-6H2O Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DTDQFVRSJWCWNK-UHFFFAOYSA-N [Fe].[Bi].[Mo] Chemical compound [Fe].[Bi].[Mo] DTDQFVRSJWCWNK-UHFFFAOYSA-N 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- BYUANIDVEAKBHT-UHFFFAOYSA-N [Mo].[Bi] Chemical compound [Mo].[Bi] BYUANIDVEAKBHT-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- -1 alkaline earth metal salt Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- WPKYZIPODULRBM-UHFFFAOYSA-N azane;prop-2-enoic acid Chemical compound N.OC(=O)C=C WPKYZIPODULRBM-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(II) nitrate Inorganic materials [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(II) nitrate Inorganic materials [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
- C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
- B01J27/19—Molybdenum
- B01J27/192—Molybdenum with bismuth
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0045—Drying a slurry, e.g. spray drying
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- B01J37/0081—Preparation by melting
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- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
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- B01J27/14—Phosphorus; Compounds thereof
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- 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
Definitions
- the present invention relates to an improved catalyst for use in the ammoxidation of an unsaturated hydrocarbon to the corresponding unsaturated nitrile.
- the present invention is directed to an improved process and catalyst for the ammoxidation of propylene and/or isobutylene to acrylonitrile and/or methacrylonitrile, respectively.
- the invention relates to a novel and improved ammoxidation catalyst comprising a complex of catalytic oxides of iron, bismuth, molybdenum, magnesium, at least one of nickel or nickel and cobalt, rubidium, cerium, and chromium, in the substantial absence of any of manganese, a noble metal and vanadium.
- Catalysts containing oxides of iron, bismuth and molybdenum, promoted with suitable elements have long been used for the conversion of propylene at elevated temperatures in the presence of ammonia and oxygen (usually in the form of air) to manufacture acrylonitrile.
- 4,168,246; 5,223,469 and 4,863,891 are each directed to bismuth-molybdenum-iron catalysts, which may be promoted with the Group II elements to produce acrylonitrile.
- U.S. Patent No. 4,190,608 discloses similarly promoted bismuth-molybdenum-iron catalyst for oxidation of olefins.
- U.S. Patent Nos. 5,093,299, 5212,137, 5,658,842 and 5, 834,394 are directed to bismuth-molybdenum promoted catalysts exhibiting high yields to acrylonitrile.
- An object of the instant invention is a novel catalyst comprising a unique combination of promoters offering better performance in the catalytic ammoxidation of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.
- the present invention is directed to an improved catalyst and process for the ammoxidation of propylene and/or isobutylene to acrylonitrile and/or methacrylonitrile, respectively.
- the invention is catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium, magnesium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, wherein the relative ratios of these elements are represented by the following general formula
- Rb a Ceb Cr c Mg A, Fe f Bi g Mo )2 O x wherein A is Ni or the combination of Ni and Co, a is about 0.01 to about 1, b is about 0.01 to about 3, c is about 0.01 to about 2, d is about 0.01 to about 7, e is about 0.01 to about 10, f is about 0.01 to about 4, g is about 0.05 to about 4, x is a number determined by the valence requirements of the other elements present, wherein "b” + “c” is greater than "g" and wherein the catalyst is substantially free of manganese, a noble metal or vanadium.
- the invention is catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium magnesium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, and optionally one of phosphorus, antimony, tellurium, sodium, lithium, potassium, cesium, thallium, boron, tungsten calcium, wherein the relative ratios of these elements are represented by the following general formula:
- Y is at least one of P, Sb, Te, Li, Na, K, Cs, TI, B, Ge, W, Ca, Zn, a rare earth element, or mixtures thereof, a is about 0.01 to about 1, b is about 0.01 to about 3, c is about 0.01 to about 2, d is about 0.01 to about 7, e is about 0.01 to about 10, f is about 0.01 to about 4, g is about 0.05 to about 4, h is 0 to about 3, x is a number determined by the valence requirements of the other elements present, wherein "b” + “c” is greater than "g", and wherein the catalyst is substantially free of manganese, a noble metal or vanadium.
- the invention is a catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, and optionally one of phosphorus, antimony, tellurium, sodium, lithium, potassium, cesium, thallium, boron, tungsten calcium, wherein the relative ratios of these elements are represented by the following general formula: Rb a Ceb Cr c Ag Fe f Bi g Y h Mo 12 O x wherein A is Ni or the combination of Ni and Co,
- Y is at least one of P, Sb, Te, Na, Li, K, Cs, TI, B, Ge, W,
- a is about 0.01 to about 1
- b is about 0.01 to about 3
- c is about 0.01 to about 2
- e is about 0.01 to about 10
- f is about 0.01 to about 4
- g is about 0.05 to about 4
- h is 0 to about 3
- x is a number determined by the valence requirements of the other elements present, wherein "b” + “c” is greater than "g", and wherein the catalyst is substantially free of manganese, a noble metal or vanadium.
- the present invention is also directed to processes for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively, by reacting in the vapor phase at an elevated temperature and pressure said olefin with a molecular oxygen containing gas and ammonia in the presence of an mixed metal oxide catalyst, wherein the catalyst is as described above.
- the instant invention is a novel catalyst comprising a unique combination and ratio of promoters offering better performance in the catalytic ammoxidation of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.
- One embodiment of the present invention is directed to an ammoxidation catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium magnesium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, wherein the relative ratios of these elements are represented by the following general formula:
- Rb a Ce b Cr c Mg d A e Fe f Bi g M ⁇ 2 O x wherein A is Ni or the combination ofNi and Co, a is about 0.01 to about 1, b is about 0.01 to about 3, c is about 0.01 to about 2, d is about 0.01 to about 7, e is about 0.01 to about 10, f is about 0.01 to about 4, g is about 0.05 to about 4, x is a number determined by the valence requirements of the other elements present, wherein “b” + “c” is greater than "g", and wherein the catalyst is substantially free of manganese, a noble metal or vanadium. In another embodiment, "b” is also greater than "c". In another embodiment of this invention, "a” is 0.05 to 0.3.
- the present invention is directed to an ammoxidation catalyst comprising catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, optionally magnesium, and optionally one of phosphorus, antimony, tellurium, sodium, lithium, potassium, cesium, boron, germanium, tungsten and calcium, wherein the relative ratios of these elements are represented by the following general formula:
- Y is at least one of P, Sb, Te, Li, Na, K, Cs, TI, B, Ge, W, Ca, Zn, a rare earth element, or mixtures thereof, a is about 0.01 to about 1, b is about 0.01 to about 3, c is about 0.01 to about 2, d is 0 to about 7, preferably d is about 0.01 to about 7, e is about 0.01 to about 10, f is about 0.01 to about 4, g is about 0.05 to about 4, h is 0 to about 3, x is a number determined by the valence requirements of the other elements present, wherein “b” + “c” is greater than "g", and wherein the catalyst is substantially free of manganese, a noble metal or vanadium. In another embodiment, “b” is also greater than "c". In another embodiment of this invention, "a” is 0.05 to 0.3.
- the amount (on an atomic basis) of cerium plus chromium are greater than the amount of bismuth (i.e. "b” + “c” is greater than "g"). If the amount (on an atomic basis) of cerium plus chromium is less than the amount of bismuth, then the catalysts are not as active. In another embodiment, the amount (on an atomic basis) of cerium is greater than the amount of chromium (i.e. "b" is greater than "c").
- the basic catalyst composition described herein is a complex of catalytic oxides of rubidium, cerium, chromium, magnesium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt. Except for specifically excluded elements, other elements or promoters may be included.
- the catalyst may include one or more of phosphorus, antimony, tellurium, sodium, lithium, potassium, cesium, thallium, boron, germanium, tungsten, calcium, zinc, and a rare earth element (defined herein as any one of La, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, or Yb).
- the base catalyst may not contain magnesium.
- the catalyst contains a small amount of phosphorus, which has a beneficial effect on the attrition resistance of the catalyst.
- the inclusion of certain elements have been identified as being detrimental to obtaining a catalyst with improved acrylonitrile yields.
- these are manganese, the noble metals (as used herein "noble metals” refers to ruthenium, rhodium, palladium, osmium, iridium and platinum) and vanadium.
- the inclusion of a noble metal in the catalyst promotes the oxidation of ammonia thereby decreasing the amount of ammonia available for acrylonitrile production.
- the inclusion of vanadium produces a catalyst which is more active in reacting the propylene feedstock and less selective to the desired products thereby producing more carbon oxides (CO x ) and less acrylonitrile.
- the inclusion of manganese in the catalyst results in lesser yields of acrylonitrile.
- the catalyst of the instant invention is described as being substantially free of manganese, a noble metal and/or vanadium.
- substantially free with respect to manganese and vanadium, means having an atomic ratio with respect to molybdenum of less than 0.2:12.
- substantially free with respect to a noble metal means having an atomic ratio with respect to molybdenum of less than 0.005:12.
- the catalysts contain no manganese, noble metals and/or vanadium.
- the catalyst of the present invention may be used either supported or unsupported (i.e. the catalyst may comprise a support).
- Suitable supports are silica, alumina, zirconium, titania, or mixtures thereof.
- a support typically serves as a binder for the catalyst resulting in a harder and more attrition resistant catalyst.
- an appropriate blend of both the active phase (i.e. the complex of catalytic oxides described above) and the support is crucial to obtain an acceptable activity and hardness (attrition resistance) for the catalyst.
- the support comprises between 40 and 60 weight percent of the supported catalyst.
- the support may comprise as little as about 30 weight percent of the supported catalyst. In another embodiment of this invention, the support may comprise as much as about 70 weight percent of the supported catalyst.
- Support materials are available which may contain one or more promoter elements, e.g. a silica sol containing sodium (Na), and such promoter elements may be incorporated into the catalyst via the support material.
- the catalyst is supported using a silica sol. If the average colloidal particle diameter of said silica sol is too small, the surface area of the manufactured catalyst will be increased and the catalyst will exhibit reduced selectivity. If the colloidal particle diameter is too large, the manufactured catalyst will have poor anti-abrasion strength.
- the average colloidal particle diameter of the silica sol is between about 15 nm and about 50 nm. In one embodiment of this invention, the average colloidal particle diameter of the silica sol is about 10 nm and can be as low as about 8 nm. In another embodiment of this invention, the average colloidal particle diameter of the silica sol is about 100 nm. In another embodiment of this invention, the average colloidal particle diameter of the silica sol is about 20 nm.
- the catalysts of the present invention may be prepared by any of the numerous methods of catalyst preparation which are known to those of skill in the art.
- the catalyst may be manufactured by co-precipitating the various ingredients. The co-precipitating mass may then be dried and ground to an appropriate size. Alternatively, the co-precipitated material may be slurried and spray dried in accordance with conventional techniques.
- the catalyst may be extruded as pellets or formed into spears in oil as is well known in the art. For particular procedures for manufacturing the catalyst, see U.S. Patent Nos. 5,093,299; 4,863,891 and 4,766,232, herein incorporated by reference.
- the catalyst components may be mixed with a support in the form of the slurry followed by drying or the catalyst components may be impregnated on silica or other supports.
- Bismuth may be introduced into the catalyst as an oxide or as a salt, which upon calcination will yield the oxide.
- the water-soluble salts which are easily dispersed but form stable oxides upon heat-treating are preferred.
- An especially preferred source for introducing bismuth is bismuth nitrate.
- the iron component into the catalyst may be obtained from any compound of iron which, upon calcination will result in the oxides.
- water soluble salts are preferred for the ease with which they may be uniformly dispersed within the catalyst. Most preferred is ferric nitrate.
- the molybdenum component of the catalyst may be introduced from any molybdenum oxide. However, it is preferred that a hydrohzable or decomposable molybdenum salt be utilized as the source of the molybdenum.
- the most preferred starting material is ammonium heptamolybdate.
- Other required components and optional promoters of the catalyst may be derived from any suitable source.
- cobalt, nickel and magnesium may be introduced into the catalyst using nitrate salts.
- magnesium may be introduced into the catalyst as an insoluble carbonate or hydroxide which upon heat treating results in an oxide.
- Phosphorus may be introduced in the catalyst as an alkaline metal salt or alkaline earth metal salt or the ammonium salt but is preferably introduced as phosphoric acid.
- Required and optional alkali components of the catalyst e.g.
- Rb, Li, Na, K, Cs, TI, or mixtures thereof may be introduced into the catalyst as an oxide or as a salt, which upon calcination will yield the oxide.
- salts such as nitrates which are readily available and easily soluble are used as the means of incorporating such elements into the catalyst.
- the catalysts are typically prepared by mixing an aqueous solution of ammonium heptamolybdate with a silica sol to which a slurry containing the compounds, preferably nitrates of the other elements, is added. The solid material is then dried, denitrified and calcined.
- the catalyst is spray-dried at a temperature of between 110°C to 350°C, preferably 110°C to 250°C, most preferably 110°C to 180°C.
- the denitrification temperature may range from 100°C to 500°C, preferably 250°C to 450°C.
- calcination takes place at a temperature of between 300°C to 700°C, preferably between 350°C to 650°C.
- the catalysts of the instant invention are useful in ammoxidation processes for the conversion of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively, by reacting in the vapor phase at an elevated temperature and pressure said olefin with a molecular oxygen containing gas and ammonia in the presence of the catalyst.
- the ammoxidation reaction is performed in a fluid bed reactor although other types of reactors such as transport line reactors are envisioned.
- Fluid bed reactors for the manufacture of acrylonitrile are well known in the prior art.
- the reactor design set forth in U.S. Patent No. 3,230,246, herein incorporated by reference, is suitable.
- ammoxidation reaction Conditions for the ammoxidation reaction to occur are also well known in the prior art as evidenced by U.S. Patent Nos. 5,093,299; 4,863,891; 4,767,878 and 4,503,001; herein incorporated by reference.
- the ammoxidation process is performed by contacting propylene or isobutylene in the presence of ammonia and oxygen with a fluid bed catalyst at an elevated temperature to produce the acrylonitrile or methacrylonitrile.
- Any source of oxygen may be employed.
- air The typical molar ratio of the oxygen to olefin in the feed should range from 0.5: 1 to 4: 1, preferably from 1 :1 to 3:1.
- the molar ratio of ammonia to olefin in the feed in the reaction may vary from between 0.5:1 to 2:1. There is really no upper limit for the ammonia-olefin ratio, but there is generally no reason to exceed a ratio of 2:1 for economic reasons.
- Suitable feed ratios for use with the catalyst of the instant invention for the production of acrylonitrile from propylene are an ammonia to propylene ratio in the range of 0.9:1 to 1.3:1, and air to propylene ratio of 8.0: 1 to 12.0:1.
- the catalyst of the instant invention provides high yields of acrylonitrile at relatively low ammonia to propylene feed ratios of about 1 : 1 to about 1.05: 1.
- the reaction is carried out at a temperature of between the ranges of about 260°C to 600°C, preferred ranges being 310°C to 500°C, especially preferred being 350°C to 480°C.
- the contact time although not critical, is generally in the range of 0.1 to 50 seconds, with preference being to a contact time of 1 to 15 seconds.
- the products of reaction may be recovered and purified by any of the methods known to those skilled in the art.
- One such method involves scrubbing the effluent gases from the reactor with cold water or an appropriate solvent to remove the products of the reaction and then purifying the reaction product by distillation.
- the primary utility of the catalyst of the instant invention is for the ammoxidation of propylene to acrylonitrile.
- the instant catalyst may also be used for the oxidation of propylene to acrylic acid.
- Such processes are typically two stage processes, wherein propylene is converted in the presence of a catalyst to primarily acrolein in the first stage and the acrolein is converted in the presence of a catalyst to primarily acrylic acid in the second stage.
- the catalyst described herein is suitable for use in the first stage for the oxidation of propylene to acrolein.
- Catalyst Preparation Example 1 A catalyst of the formula 50 wt % Ni5.oMg2.oFe 1 8Bio.45Ceo.9Cro ⁇ Rbo.i5Mo, 2 0 4 84+ 50 wt% SiO2 was prepared as follows: The metal nitrates in the following the order, Fe(NO 3 ) 3 -9H 2 O (69.752g), Ni(NO 3 ) 2 -6H 2 O (139.458g), Mg(NO 3 ) 2 -6H 2 O (49.186g), Bi(NO 3 ) 3 -5H 2 O(20.937g), RbNO 3 (2.122g), and (NH 4 ) 2 Ce(NO 3 )6 (94.654g of a 50% solution) were melted together at
- This catalyst was prepared as described in Example 1.
- the recipe of this catalyst was as follows: Fe(NO 3 ) 3 -9H 2 O (69.737g), Ni(NO 3 ) 2 -6H 2 O (69.714g), Mg(NO 3 ) 2 6H 2 O (49.176g), Co(NO 3 ) 2 -6H 2 O (69.774g), Bi(NO 3 ) 3 -5H 2 O (20.993g), RbNO 3 (2.121g), and (NH 4 ) 2 Ce(NO 3 ) 6 (94.634g of a 50% solution) were melted together at -70° C in a 1000 ml beaker.
- Ammonium heptamolybdate (AHM)(203.175g) was dissolved in 310 ml of distilled water. To this solution CrO 3 (0.959g) dissolved in a 20ml water was added. Then the silica (796.178g of a 31.4% SiO 2 sol) was added followed by the metal nitrates melt.
- AHM Ammonium heptamolybdate
- This catalyst was prepared as described in Example 1.
- the recipe of this catalyst was as follows: Fe(NO 3 ) 3 -9H 2 O (68.936g), Ni(NO 3 ) 2 -6H 2 O (68.914g), Mg(NO 3 ) 2 -6H 2 O (48.61 lg), Co(NO 3 ) 2 -6H 2 O (68.973g), Bi(NO 3 ) 3 5H 2 O (20.693g), RbNO 3 (2.097g), and (NH 4 ) 2 Ce(NO 3 ) 6 (93.547g of a 50% solution)were melted together at -70 ° C in a 1000 ml beaker.
- Ammonium heptamolybdate (AHM)(200.842g) was dissolved in 310 ml of distilled water.
- H 3 PO 4 1.093g of a 85% solution
- CrO 3 0.948g
- the silica 796.178g of a 31.4% SiO 2 sol was added followed by the metal nitrates melt.
- Ammonium heptamolybdate (AHM)(202.736g) was dissolved in 310 ml of distilled water. To this solution CrO 3 (0.957g) dissolved in a 20ml water was added. Then the silica (796.178g of a 31.4% SiO 2 sol) was added followed by the metal nitrates melt.
- AHM Ammonium heptamolybdate
- the recipe of this catalyst was as follows: Fe(NO 3 ) 3 -9H 2 O (69.562g), Ni(NO 3 ) 2 -6H 2 O (139.079g), Mg(NO 3 ) 2 -6H 2 O (49.053g), Bi(NO 3 ) 3 -5H 2 O (20.881g), RbNO 3 (2.097g), and (NH 4 ) 2 Ce(NO 3 ) 6 (94.397g of a 50% solution) were melted together at ⁇ 70°C in a 1000 ml beaker. Ammonium heptamolybdate (AHM)(202.667g) was dissolved in 310 ml of distilled water.
- AHM Ammonium heptamolybdate
- Example 2 Using the preparation described in Example 1 above, several other catalyst were similarly prepared which omitted one or more of chromium, cerium or rubidium from the preparation.
- the recipe of this catalyst is as follows: Fe(NO 3 ) 3 -9H 2 O (72.939g), Ni(NO 3 ) 2 -6H 2 O (145.83g), Mg(NO 3 ) 2 -6H 2 O (51.434g), Bi(NO 3 ) 3 -5H 2 O (21.894g), RbNO 3 (2.219g), and (NH 4 ) 2 Ce(NO 3 ) 6 (16.496g of a 50% solution) were melted together at ⁇ 70°C in a 1000 ml beaker. Ammonium heptamolybdate (AHM)(212.504g) was dissolved in 310 ml of distilled water. To this solution CrO 3 (3.009g) dissolved in a 20ml water was added. Then the silica (871.08g of a 28.75% SiO 2 sol) was added followed by the metal nitrates melt. Comparative Examples I:
- the recipe of this catalyst is as follows: Fe(NO 3 ) 3 -9H 2 O (73.642g), Ni(NO 3 ) 2 -6H 2 O (147.236g), Mg(NO 3 ) 2 -6H 2 O (51.93g), Bi(NO 3 ) 3 5H 2 O (22.105g), RbNO 3 (2.24g), (NH 4 ) 2 Ce(NO 3 ) 6 (11.104g of a 50% solution) were melted together at ⁇ 70°C in a 1000 ml beaker. Ammonium heptamolybdate (AHM)(214.553g) was dissolved in 310 ml of distilled water. To this solution CrO 3 (1.013g) dissolved in a 20ml water was added. Then the silica (871.08g of a 28.75% SiO 2 sol) was added followed by the metal nitrates melt. Comparative Examples J:
- All test catalyst compositions contained 50% active phase and 50% SiO 2 .
- Total Q-f Conv is the mole percent per pass conversion of propylene to all products.
- Conv. to AN is the mole percent per pass conversion of propylene to acrylonitrile.
- “Sel. to AN” is the ratio of moles of acrylonitrile produced to moles of propylene converted expressed in percent.
- the catalyst composition of the instant invention is unique in that it comprises rubidium, cerium, chromium, magnesium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, in the substantial absence of manganese, a noble metal or vanadium. This combination of elements in the relative proportions described herein have not previously utilized in a single ammoxidation catalyst formulation. As illustrated in Table 1, for the ammoxidation of propylene to acrylonitrile, a catalyst of the instant invention has exhibited better performance than catalysts comprising similar (but not exact) combinations of elements found in prior art patents.
- catalysts comprising rubidium, cerium, chromium magnesium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt in the substantial absence of manganese, a noble metal or vanadium, exhibited a combination of higher overall conversion of propylene, higher conversions to acrylonitrile, and high selectivity to acrylonitrile compared to similar catalysts falling outside the scope of the instant invention.
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA05005757A MXPA05005757A (en) | 2002-12-02 | 2003-11-19 | Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile. |
CA002507181A CA2507181A1 (en) | 2002-12-02 | 2003-11-19 | Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile |
AU2003291572A AU2003291572A1 (en) | 2002-12-02 | 2003-11-19 | Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile |
BRPI0316851-4A BR0316851B1 (en) | 2002-12-02 | 2003-11-19 | CATALYST COMPOSITIONS AND OLEFIN CONVERSION PROCESS |
JP2004557223A JP4709549B2 (en) | 2002-12-02 | 2003-11-19 | Catalyst composition for the conversion of olefins to acrylonitrile and methacrylonitrile and process for the conversion |
EP03768979.1A EP1590083B1 (en) | 2002-12-02 | 2003-11-19 | Mixed oxide catalyst for the manufacture of acrylonitrile and/or methacrylonitrile |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43016302P | 2002-12-02 | 2002-12-02 | |
US60/430,163 | 2002-12-02 | ||
US10/717,130 | 2003-11-18 | ||
US10/717,130 US7071140B2 (en) | 2002-12-02 | 2003-11-18 | Catalyst for the manufacture of acrylonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004050238A1 true WO2004050238A1 (en) | 2004-06-17 |
Family
ID=32397239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/036940 WO2004050238A1 (en) | 2002-12-02 | 2003-11-19 | Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile |
Country Status (10)
Country | Link |
---|---|
US (1) | US7071140B2 (en) |
EP (1) | EP1590083B1 (en) |
JP (1) | JP4709549B2 (en) |
KR (1) | KR101010891B1 (en) |
AU (1) | AU2003291572A1 (en) |
BR (1) | BR0316851B1 (en) |
CA (1) | CA2507181A1 (en) |
MX (1) | MXPA05005757A (en) |
RU (1) | RU2347612C2 (en) |
WO (1) | WO2004050238A1 (en) |
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EP2332647A1 (en) * | 2009-12-09 | 2011-06-15 | King Abdulaziz City for Science and Technology | Nanocatalyst for conversion of monoolefins, process for conversion of monoolefins and process for preparing catalyst |
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Also Published As
Publication number | Publication date |
---|---|
KR20050085258A (en) | 2005-08-29 |
KR101010891B1 (en) | 2011-01-25 |
EP1590083A1 (en) | 2005-11-02 |
RU2347612C2 (en) | 2009-02-27 |
JP2006507937A (en) | 2006-03-09 |
AU2003291572A1 (en) | 2004-06-23 |
US7071140B2 (en) | 2006-07-04 |
EP1590083B1 (en) | 2018-04-04 |
US20040106817A1 (en) | 2004-06-03 |
RU2005120764A (en) | 2006-01-20 |
BR0316851B1 (en) | 2014-07-29 |
BR0316851A (en) | 2005-10-18 |
JP4709549B2 (en) | 2011-06-22 |
MXPA05005757A (en) | 2005-09-08 |
CA2507181A1 (en) | 2004-06-17 |
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