WO2013100173A1 - Process for producing olefin oxide using a catalyst comprising a ruthenium oxide and a tellurium component - Google Patents
Process for producing olefin oxide using a catalyst comprising a ruthenium oxide and a tellurium component Download PDFInfo
- Publication number
- WO2013100173A1 WO2013100173A1 PCT/JP2012/084274 JP2012084274W WO2013100173A1 WO 2013100173 A1 WO2013100173 A1 WO 2013100173A1 JP 2012084274 W JP2012084274 W JP 2012084274W WO 2013100173 A1 WO2013100173 A1 WO 2013100173A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oxide
- catalyst
- tellurium
- olefin
- ruthenium
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 49
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 150000001336 alkenes Chemical class 0.000 title claims abstract description 46
- 229910052714 tellurium Inorganic materials 0.000 title claims abstract description 43
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 title claims abstract description 35
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001925 ruthenium oxide Inorganic materials 0.000 title claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 21
- 239000001301 oxygen Substances 0.000 claims abstract description 21
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000005751 Copper oxide Substances 0.000 claims abstract description 9
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 9
- -1 tellurium ion Chemical class 0.000 claims description 41
- 150000001875 compounds Chemical class 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052707 ruthenium Inorganic materials 0.000 claims description 11
- 238000001354 calcination Methods 0.000 claims description 10
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 7
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 44
- 239000002184 metal Substances 0.000 description 44
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 26
- 239000007789 gas Substances 0.000 description 18
- 150000003839 salts Chemical class 0.000 description 17
- 239000011734 sodium Substances 0.000 description 14
- 229910052736 halogen Inorganic materials 0.000 description 13
- 150000002367 halogens Chemical class 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 8
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 150000001342 alkaline earth metals Chemical class 0.000 description 8
- 238000005470 impregnation Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 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 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 150000004820 halides Chemical class 0.000 description 4
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001507 metal halide Inorganic materials 0.000 description 3
- 150000005309 metal halides Chemical class 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000005673 monoalkenes Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- SWLJJEFSPJCUBD-UHFFFAOYSA-N tellurium tetrachloride Chemical compound Cl[Te](Cl)(Cl)Cl SWLJJEFSPJCUBD-UHFFFAOYSA-N 0.000 description 3
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-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
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000006735 epoxidation reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 229910001960 metal nitrate Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003498 tellurium compounds Chemical class 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- WHNBDXQTMPYBAT-UHFFFAOYSA-N 2-butyloxirane Chemical compound CCCCC1CO1 WHNBDXQTMPYBAT-UHFFFAOYSA-N 0.000 description 1
- NJWSNNWLBMSXQR-UHFFFAOYSA-N 2-hexyloxirane Chemical compound CCCCCCC1CO1 NJWSNNWLBMSXQR-UHFFFAOYSA-N 0.000 description 1
- NMOFYYYCFRVWBK-UHFFFAOYSA-N 2-pentyloxirane Chemical compound CCCCCC1CO1 NMOFYYYCFRVWBK-UHFFFAOYSA-N 0.000 description 1
- SYURNNNQIFDVCA-UHFFFAOYSA-N 2-propyloxirane Chemical compound CCCC1CO1 SYURNNNQIFDVCA-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical class [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- JVFDADFMKQKAHW-UHFFFAOYSA-N C.[N] Chemical compound C.[N] JVFDADFMKQKAHW-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- GXBYFVGCMPJVJX-UHFFFAOYSA-N Epoxybutene Chemical compound C=CC1CO1 GXBYFVGCMPJVJX-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- UYIXYOWFFHXJRX-UHFFFAOYSA-N ON=O.OCl(=O)(=O)=O Chemical compound ON=O.OCl(=O)(=O)=O UYIXYOWFFHXJRX-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 229910019891 RuCl3 Inorganic materials 0.000 description 1
- 229910021603 Ruthenium iodide Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 229910001964 alkaline earth metal nitrate Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 1
- 150000004648 butanoic acid derivatives Chemical class 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- DHCWLIOIJZJFJE-UHFFFAOYSA-L dichlororuthenium Chemical compound Cl[Ru]Cl DHCWLIOIJZJFJE-UHFFFAOYSA-L 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- PQSDBPCEDVVCRA-UHFFFAOYSA-N nitrosyl chloride;ruthenium Chemical compound [Ru].ClN=O PQSDBPCEDVVCRA-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 150000003303 ruthenium Chemical class 0.000 description 1
- WYRXRHOISWEUST-UHFFFAOYSA-K ruthenium(3+);tribromide Chemical compound [Br-].[Br-].[Br-].[Ru+3] WYRXRHOISWEUST-UHFFFAOYSA-K 0.000 description 1
- LJZVDOUZSMHXJH-UHFFFAOYSA-K ruthenium(3+);triiodide Chemical compound [Ru+3].[I-].[I-].[I-] LJZVDOUZSMHXJH-UHFFFAOYSA-K 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Inorganic materials [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 1
- 150000003497 tellurium Chemical class 0.000 description 1
- NNCGPRGCYAWTAF-UHFFFAOYSA-N tellurium hexafluoride Chemical compound F[Te](F)(F)(F)(F)F NNCGPRGCYAWTAF-UHFFFAOYSA-N 0.000 description 1
- PTYIPBNVDTYPIO-UHFFFAOYSA-N tellurium tetrabromide Chemical compound Br[Te](Br)(Br)Br PTYIPBNVDTYPIO-UHFFFAOYSA-N 0.000 description 1
- LVBXEMGDVWVTGY-UHFFFAOYSA-N trans-2-octenal Natural products CCCCCC=CC=O LVBXEMGDVWVTGY-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/057—Selenium or tellurium; Compounds thereof
- B01J27/0576—Tellurium; Compounds thereof
-
- B01J35/615—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
Definitions
- the present invention relates to a process for producing an olefin oxide.
- olefin epoxidation in the presence of a metal-based catalyst has been proposed.
- US2003/0191328 mentions a process for the epoxidation of hydrocarbon with oxygen in the presence of a mixture containing at least two metals from the specific metal group on a support having a specific BET surface area.
- JP2002-371074 mentions a process for ' producing an oxirane compound which process uses a metal oxide catalyst ' containing at least one metal selected from the metals belonging to the Groups III to XVI of the periodic table.
- Patent Document 003
- Patent Document 1 US 2003/0191328
- Patent Document 2 JP 2002-371074 Summary of Invention
- An object to be achieved by the present invention is to provide a novel process for producing an olefin oxide and a novel catalyst used for the same that result in providing a further improved olefin oxide yield and selectivity.
- the present invention provides:
- a process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a ruthenium oxide and a tellurium component and no copper oxide;
- the process of the present invention comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) ruthenium oxide and (b) tellurium component and no copper oxide .
- the catalyst preferably contains a support, such as a porous support and a non-porous support .
- a ruthenium oxide and a tellurium component are preferably supported on a support, more preferably supported on a porous support.
- the non-porous support include a non-poroUs support comprising Si0 2 such as CAB-O-SIL (registered trademark) .
- the catalyst containing a support is valuable for production of olefin oxides, which is one aspect of the present invention.
- the porous support has pores capable of supporting one or both of the components (a) and (b) .
- the porous support preferably comprises A1 2 0 3 , Si0 2 , Ti0 2 , or Zr0 2 , more preferably Si0 2 .
- Examples of the porous support comprising Si0 2 include mesoporous silica.
- Such porous supports may also comprise zeolites.
- the support may be in form of powder, or may be shaped to a desired stucture.
- the catalyst may comprise one or more kinds of the component (a) .
- the component (a) is usually composed of ruthenium and oxygen.
- Examples of the ruthenium oxide include Ru 2 0 4 , Ru 2 0 5 , Ru 3 0 5 , Ru 3 0 6 , Ru0 4 , and Ru0 2 .
- the component (a) is preferably Ru0 2 .
- the catalyst may comprise one or more kinds of the component (b) .
- the component (b) may be tellurium- containing compound or tellurium ion.
- the tellurium-containing compound include tellurium oxide such as TeO, Te0 2 , Te0 3 or Te 2 0 5 , and tellurium salt with anion such as CI “ , Br “ , I “ , F “ , OH “ , NO 3” or C0 3 2” .
- Examples of the tellurium ion include Te 2+ , Te 4+ , Te 6+ , Te 2" .
- the component (b) is preferably tellurium oxide, ,more preferably those comprising tellurium and an oxygen atom, still more preferably Te0 2 .
- the catalyst may comprise one or more kinds of (c) alkaline metal component or alkaline earth metal component.
- the component (c) may be supported on the above-mentioned support.
- the component (c) may be an alkaline metal-containing compound, an alkaline earth metal-containing compound, an alkaline metal ion or an alkaline earth metal ion.
- Examples of the alkaline metal-containing compound include compounds containing an alkaline metal such as Na, , Rb and Cs .
- Examples of the alkaline earth metal-containing compound include compounds containing an alkaline earth metal such as Ca, Mg, Sr and Ba.
- Examples of the alkaline metal ion include Na + , K + , Rb + and Cs + .
- Examples of the alkaline earth metal ion include such as Ca 2+ , Mg 2+ , Sr 2+ and Ba 2+ .
- the alkaline metal component may be an alkaline metal oxide.
- Examples of the alkaline metal oxide include Na 2 0, Na 2 0 2 , K 2 0, K 2 0 2 , Rb 2 0, Rb 2 0 2 , Cs 2 0, and Cs 2 0 2 .
- the alkaline earth metal component may be alkaline earth metal oxide. Examples of the alkaline earth metal oxide include CaO, Ca0 2 , MgO, Mg0 2 , SrO, Sr0 2 , BaO and Ba0 2 .
- the component (c) is preferably an alkaline metal- containing compound, more preferably a sodium-containing compound or a potassium-containing compound, still more preferably a sodium-containing compound.
- the alkaline metal-containing compound and alkaline earth metal-containing compound are preferably an alkaline metal salt and an alkaline earth metal salt.
- the alkaline metal salt comprises the alkaline metal ion as mentioned above with an anion.
- the alkaline earth metal salt comprises the alkaline earth metal ion as mentioned above with an anion. Examples of anions in such salts include CI “ , Br “ , I “ , F “ , OH “ , N0 3 “ , S0 4 2” and C0 3 2" .
- Such salts are preferably an alkaline metal salt with a halogen, such as an alkaline metal halide, or an alkaline earth metal- containing salt with a halogen, such as an alkaline earth metal halide, more preferably an alkaline metal salt with a halogen, still more preferably an alkaline metal chloride.
- the catalyst comprises NaCl, as the (c) component, it can show excellent olefin oxide selectivity.
- the tellurium/ruthenium molar ratio in the catalyst is preferably 0.001/1 to 50/1 based on their atoms. When the molar ratio falls within such a range, the olefin oxide yield and selectivity can be further improved.
- the lower limit of the molar ratio is more preferably 0.005/1, still more preferably 0.008/1.
- the upper limit of the molar ratio is more preferably 1/1, still more preferably 0.5/1.
- the (c) component/ruthenium molar ratio in the catalyst is preferably 0.001/1 to 50/1 based on their atoms When the molar ratio falls within such a range, the olefin oxide yield and selectivity can be further improved.
- the lower limit of the molar ratio is more preferably 0.01/1, still more preferably 0.1/1.
- the upper limit of the molar ratio is more preferably 10/1, still more preferably 5/1.
- the total content of these components is preferably 0.01 to 80 weight parts relative to 100 weight parts of a porous support.
- the lower limit of the total content is more preferably 0.05 weight parts, still more preferably 0.1 weight parts relative to 100 weight parts of a porous support.
- the upper limit of the total content is more preferably 50 weight parts, still more preferably 30 weight parts relative to 100 weight parts of a porous support .
- the catalyst may comprise (d) halogen component besides the components (a) , (b) , (c) and (d) .
- the component (d) is generally a halogen-containing compound. Examples of the halogen include chlorine, fluorine, iodine and bromine:.
- halogen-containing compound examples include copper halides such as CuCl and CuCl 2 , tellurium halides such as TeCl 2 and TeCl 4 ruthenium halides such as RuCl 3 and ruthenium oxyhalides such . as Ru 2 OCl 4 , Ru 2 OCl 5 and Ru 2 OCl 6 , and tellurium oxyhalides such as Te 6 0nCli 2 .
- the catalyst comprises the component (d)
- the component may be supported on any of the components (a) , (b) and (c) or the support .
- the catalyst may further comprise (e) composite oxides including those composed of tellurium, sodium and oxygen, such as Na 2 Te0 3 , Na 2 Te0 4 , Na 2 Te 4 0 9 , and Na 4 Te0 5 , and those composed of sodium, ruthenium and oxygen, and ruthenium, tellurium and oxygen.
- composite oxides including those composed of tellurium, sodium and oxygen, such as Na 2 Te0 3 , Na 2 Te0 4 , Na 2 Te 4 0 9 , and Na 4 Te0 5 , and those composed of sodium, ruthenium and oxygen, and ruthenium, tellurium and oxygen.
- the component may be supported on the support or any of the components (a), (b) , (c) and (d) as mentioned above.
- the catalyst comprises no copper oxide.
- Production of the catalyst is not restricted to a specific process, ' and examples of which include the conventional methods such as impregnation method, precipitation method, deposition precipitation method, chemical vapour deposition method, mechnano-chemical method, and solid state reaction method, and impregnation method is preferable.
- the catalyst can be obtained by impregnating a support with a solution or a suspension containing a ruthenium ion, a tellurium ion or compound, and optionally an alkaline metal or alkaline earth metal- containing ion and/or a halogen ion to prepare a composition, followed by calcining the composition obtained.
- the solution or suspepension containing above- mentioned ions can be prepared by mixing a ruthenium metal salt and a tellurium metal salt,' and optionally an alkaline metal or alkaline earth metal-containing salt and/or a halogen-containing compound in a solvent.
- tellurium compound or salt examples include a halide such as TeF 6 , TeBr 4 , TeCl 4 and Tel 4 , an oxyhalide, oxide such as TeO, Te0 2 and Te0 3 , an alkoxide such as Te(OC 2 H 5 ) 4i a tellurate such as H 2 Te0 3f H 6 Te0 6 , Na 2 Te0 3 and Na 2 Te0 4 , preferably halide and oxide, more preferably oxide, still more preferably Te0 2 .
- a halide such as TeF 6 , TeBr 4 , TeCl 4 and Tel 4
- an oxyhalide, oxide such as TeO, Te0 2 and Te0 3
- an alkoxide such as Te(OC 2 H 5 ) 4i
- a tellurate such as H 2 Te0 3f H 6 Te0 6 , Na 2 Te0 3 and Na 2 Te0 4
- halide and oxide more preferably oxide, still more preferably Te0 2 .
- the ruthenium metal salt examples include a halide such as ruthenium bromide, ruthenium chloride, ruthenium iodide, an oxyhalide such as Ru 2 OCl , Ru 2 OCl 5 and Ru 2 OCl 6 , a halogeno complex such as [RuCl 2 (H 2 0) ] CI, an ammine complex such as [Ru(NH 3 ')5H 2 0] Cl 2 , [Ru (NH 3 ) 5 C1] Cl 2 , [Ru (NH 3 ) 6 ] Cl 2 and [Ru(NH 3 ) 6 ] cl 3 , a carbonyl complex such as Ru(CO) 5 and Ru 3 (CO)i 2 , a carboxylate complex such as
- the alkaline metal or alkaline earth metal salt for the solution may be the same as or different from the (c) component.
- the alkaline metal or alkaline earth metal salt include alkaline metal nitrates, alkaline earth metal nitrates, alkaline metal halides, alkaline earth metal halides, alkaline metal acetates, alkaline earth metal acetates, alkaline metal butyrates, alkaline earth metal butyrates, alkaline metal benzoates, alkaline earth metal benzoates, alkaline earth metal benzoates, alkaline metal alkoxides, alkaline earth metal alkoxides, alkaline metal carbonates, alkaline earth metal carbonates, alkaline metal citrates, alkaline earth metal citrates, alkaline metal formates, alkaline earth metal formates, alkaline metal hydrogen carbonates, alkaline earth metal hydrogen carbonates, alkaline earth metal hydrogen carbonates, alkaline metal hydroxides, alkaline earth metal hydro
- the catalyst comprising the components (a) , (b) , (c) and (d) can be produced from a solution obtained by mixing the ruthenium metal salt, the tellurium compound or salt, and the alkaline metal salt or alkaline earth metal salt in a solvent.
- Atr-least one selected from the group consisting of the above-mentioned ' metal salts preferably contains a halogen ion, more preferably a chloride ion.
- Such a halogen ion may form the (c) component such as NaCl and the (d) component such as halides and oxyhalides of Ru or Te .
- the solution may contain acidic or basic compounds in order to control its pH.
- the acid compounds include hydrochloric acid, nitric acid, nitrous acid perchloric acid.
- Examples of basic compounds include alkaline metal hydroxides, amine compounds, imine compounds, hydrazine or hydrazine compounds, ammonia, hydroxylamine , hydroxyamine and ammonium hydroxides .
- the solvent examples include water, alcohols such as methanol or ethanol , and ethers .
- the amount of the solvent is preferably 0.01 to 2000 parts by weight per 1 part by. weight of copper salt. If the catalyst contains the support, the amount of the solvent is preferably 0.01 to 500 parts by weight per 1 part by weight of the support, and more preferably 0.1 to 100 parts by weight.
- the molar ratio of V, Mo or W to ruthenium metal in the cattalyst is preferably less than 0.25, and more preferably less than 0.1, and it is still more peferable that the catalyst substantially contains no V, Mo or W.
- composition as prepared by the impregnation is usually dried, and examples of the drying method include evaporation to dryness, spray drying, drum drying and flash drying.
- the composition as prepared by the impregnation is usually dried, and the drying method thereof is not limited.
- the composition as prepared by the impregnation is preferably dried at a temperature of 10°C to c 250°C, and more preferably 40°C to 200°C before calcining the composition. Drying may be performed under an atmosphere of oxygen containing gas such as air or also under an inert gas atmosphere (for example, Ar, N 2 , He) at standard pressure or reduced pressure.
- a drying time is preferably in the range from 0.5 to 24 hours.
- the method of calcining the composition is not limited, and calcining the composition is preferably performed under a gas atmosphere containing oxygen and/or inert gas such as nitrogen, helium and argon.
- a gas examples include air, an oxygen gas, nitrous oxide, and other oxidizing gases.
- the gas may be used after being mixed at an appropriate ratio with a diluting gas such as nitrogen, helium, argon, and water vapor.
- a diluting gas such as nitrogen, helium, argon, and water vapor.
- An optimal temperature for calcination varies depending on the kind of the gases and the compositions, however, a too high temperature may cause agglomeration of ruthenium oxide. Accordingly, the calcination temperature is typically 200°C to 800°C, preferably 400°C to 600°C.
- the calcining time is preferably in the range from 0.5 hour to 24 hours .
- the catalyst can be used as powder, but it is usual to shape it into desired structures such as spheres, pellets, cylinders, rings, hollow cylinders or stars.
- the catalyst can be shaped by a known procedure such as extrusion, ram extrusion, tableting.
- the calcination is normally performed after shaping into the desired structures, but it can also be performed before shaping them.
- the olefin may have a linear or branched structure and contains usually 2 to 10, preferably 2 to 8 carbon atoms.
- the olefin may be a monoolefin or a diolefin.
- the monoolefin include ethylene, propylene, butene, pentene, hexane, heptene, octene, nonene, and decene.
- the diene include butadiene such as 1, 3 -butadiene or 1, 2 -butadiene.
- olefin examples include preferably monoolefin, more preferably ethylene, propylene, butene, pentene, hexene, heptene and octene, still more preferably ethylene, propylene and butene, most preferably propylene.
- the reaction is generally performed in the gas phase.
- the olefin and oxygen may be fed respectively in the form of a gas.
- Olefin and oxygen gases can be fed in the form of .their mixed gas.
- Olefin and oxygen gases may be fed with diluent gases. Examples of diluent gases include nitrogen methane, ethane, propane, carbon dioxide, or rare gases, such as argon and helium.
- oxygen source pure oxygen may be used, or a mixed gas containing a gas inactive to the reaction, such as air, may be used.
- the amount of oxygen used varies depending on the reaction type, the catalyst, the reaction temperature or the like.
- the amount of oxygen is typically 0.01 mol to 100 mol, and preferably 0.03 to 30 mol, more preferably 0.05 to 10 mol, and especially preferably 0.25 mol to 10 mol with respect to 1 mol of the olefin.
- the reaction is performed at a temperature generally of 100 to 350 C, preferably of 120 to 330 C, more preferably of 170 to 310 ° C.
- the reaction is usually carried out under reaction pressure in the range of reduced pressure to increased pressure.
- reaction pressure means a pressure lower than atmospheric pressure.
- Increased pressure means a pressure higher than atmospheric pressure.
- the pressure is typically in the range of 0.01 to 3 MPa, and preferably in the range of 0.02 to 2 MPa, in the absolute pressure.
- the gaseous hourly space velocity (Liters of gas at standard temperature and pressure passing over the one liter of packed catalyst per hour) is generally in the range of from 100 l/(l.h) to 100000 Nl/(l.h), preferably
- the linear velocity is generally in _ the range of from 0.0001 m/s to 500 m/s, and preferably in range of 0.001 m/s to 50 m/s.
- the reaction may be carried out as a batch reaction or a continuous flow reaction, preferably as a continuous flow reaction for industrial application.
- the reaction of the present invention may be carried out by mixing an olefin and oxygen and then contacting the mixture with the catalyst under reduced pressure to the increased pressure.
- the reactor type is not limited. Examples of the reactor type are fluid bed reactor, fixed bed reactor, moving bed reactor, and the like, preferably fixed bed reactor. In the case of using fixed bed reactor, single tube reactor or multi tube reactor can be employed. More than one reactor can be used. If the number of reactors is large, small reactors as for example microreactors, can be used, which can have multiple channels.
- the catalyst can be packed into the reactor or coated on the surface of the reactor wall.
- the coated type reactor is suitable for microreactors and the packed bed reactor is suitable for a large reactor.
- reaction mixture can be passed through the packed bed reactor in up-flow mode or in downflow mode.
- Adiabatic type reactor or heat exchange type reactor may also be used.
- adiabatic type reactor a part of the reaction mixture from the reactor can be recycled into the reactor after heat-exchanging to control the reaction temperature.
- the reactors can be arranged in series and/or in parallel.
- a heat exchanger can be used between the reactors for controling reaction temperature .
- the olefin oxide may have a linear or branched structure and contains usually 2 to 10, preferably 2 to 8 carbon atoms.
- the olefin oxide may have one carbon-carbon double bond when the diolefin is applied for the reaction.
- Examples of the olefin oxide having one carbon-carbon double bond include 3 , 4 -epoxy- 1-butene .
- Examples of the olefin oxides include preferably ethylene oxide, propylene oxide, butene oxide, pentene oxide, hexene oxide, heptene oxide and octene oxide, more preferably ethylene oxide, propylene oxide and butene oxide, still more preferably propylene oxide .
- the olefin oxide as obtained can be collected by absorption with a suitable solvent such as water and acetonitrile followed by conducting a method known in the art such as separation by distillation.
- a reaction gas was mixed with ethane (10 Nml/min) as an external standard, and then directly introduced in the TCD-GC equipped with a column of Gaskuropack 54 (2 m) . All products in the reaction gas were collected for 1 hour with double methanol traps connected in series and cooled with an ice bath. The two methanol solutions were mixed together and added to anisole as an external standard, and then analyzed with two FID-GCs equipped with different columns, PoraBOND U (25 m) and PoraBOND Q (25 m) .
- the detected products were propylene oxide (PO) , acetone (AT) , acetaldehyde (AD) , CO x (C0 2 and CO) , and propanal (PaL) and acrolein (AC).
- Each metal weight was determined from the amounts of the metal salts used for preparation of catalyst.
- a catalyst was prepared by an impregnation method. A " predetermined weights 2.0 g of Ru0 2 (Furuya Metal) and 0..022 g of Te0 2 (Wako) was crushed and mixed by a mortar. The resulting material ' was then calcined at 500°C for 12 hours in the air to give a catalyst. Te/Ru molar ratio is 0.01.
- the catalyst was evaluated by using a fixed-bed reactor. Filling a 22mmcp reaction tube made of grass with lmL of thus obtained catalyst, the reaction -tube was supplied with 450 NmL/h of propylene, 900 NmL/h of the air, 990 NmL/h of a nitrogen gas to carry out the reaction at the reaction temperature of 220°C under the atmospheric pressure.
- a catalyst was prepared by a co-impregnation method.
- a predetermined weights (1.9 g) of an amorphous silica powder (Si0 2 , Japan Aerosil, 380 m 2 /g) was added to an aqueous solution mixture containing 0.55 g of (NH ) 2 R Cl 6 (Aldrich) , and 0.04 g of TeCl 4 (Wako) , followed by stirring it for 24 hours in the air to impregnate the support with the metal salts.
- the resulting material was then heated at 100°C until dried, and calcined at 500°C for 12 hours in the air to give a catalyst.
- the total amount of Ru and Te was 9.2 weight parts relative to 100 weight parts of Si0 2 , and Te/Ru molar ratio is 0.1.
- the catalyst was evaluated by using a fixed-bed reactor. Filling a 1/2-inch reaction tube made of stainless steel with lmL of thus obtained catalyst, the reaction tube was supplied with 450 NmL/h of propylene, 900 NmL/h of the air, 990 NmL/h of a nitrogen gas to carry out the reaction at the condition of the increased pressure (equicalent to 0.3 MPa in the absolute pressure).
- a catalyst was prepared by a co- impregnation method.
- a predetermined weights (1.9 g) of an amorphous silica powder (Si0 2 , Japan Aerosil, 380 m 2 /g) was added to an aqueous solution mixture containing 0.55 g of (NH ) 2 RuCl 6 (Aldrich) , 0.1 g of NaCl (Wako) and 0.04 g of TeCl 4 (Wako) , followed by stirring it for 24 hours in the air to impregnate the support with the metal salts.
- the resulting material was then heated at 100 °C until dried, and calcined at 500 °C for 12 hours in the air to give a catalyst.
- the total amount of Ru, Te and Na was 11.2 weight parts relative to 100 weight parts of Si0 2 , and Te/Ru/Na molar ratio is 0.1/1/1.1.
- the present invention by using a . catalyst comprising a ruthenium oxide and a tellurium component and no copper oxide, it is possible to provide a novel process for producing an olefin oxide. Furthermore, the present invention provides a novel catalyst used for the same .
Abstract
The invention relates to a process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a ruthenium oxide and a tellurium component. Herein, the catalyst contains no copper oxide.
Description
DESCRIPTION
Title of Invention
PROCESS FOR PRODUCING OLEFIN OXIDE Technical Field
[0001]
The present invention relates to a process for producing an olefin oxide. Background Art
[0002]
As to a process for producicng olefin oxides, olefin epoxidation in the presence of a metal-based catalyst has been proposed. For example, US2003/0191328 mentions a process for the epoxidation of hydrocarbon with oxygen in the presence of a mixture containing at least two metals from the specific metal group on a support having a specific BET surface area. JP2002-371074 mentions a process for ' producing an oxirane compound which process uses a metal oxide catalyst ' containing at least one metal selected from the metals belonging to the Groups III to XVI of the periodic table.
Citation List
Patent Document
003]
Patent Document 1: US 2003/0191328
Patent Document 2: JP 2002-371074 Summary of Invention
Technical Problem
[0004]
An object to be achieved by the present invention is to provide a novel process for producing an olefin oxide and a novel catalyst used for the same that result in providing a further improved olefin oxide yield and selectivity.
Solution to Problem
[0005]
The present invention provides:
[1] A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a ruthenium oxide and a tellurium component and no copper oxide;
[2] The process according to [1], wherein the ruthenium oxide and the tellurium component are supported on a support ;
[3] The process according to [2] , wherein the support comprises A1203/ Si02, Ti02 or Zr02;
[4] The process according to [2] or [3] , wherein the support comprises Si02;
[5] The process according to any .one of [1] to [4] , wherein the tellurium/ruthenium molar ratio in the catalyst is 0.001/1 to 50/1;
[6] The process according to any one of [1] to [5], wherein the ruthenium oxide is Ru02;
[7] The process according to any one of [1] to [6] , wherein the tellurium component comprises tellurium and an oxygen atom;
[8] The process according to any one of [2] to [7], wherein the total amount of the ruthenium oxide and the tellurium component is 0.01 to 80 weight parts relative to 100 weight parts of a support;
[9] The process according to any one of [2] to [8] , wherein the catalyst is obtained by impregnating a support with a solution or a suspension containing a ruthenium ion and a tellurium ion or compound, followed by calcining the composition obtained;
[10] The process according to any one of [1] to [9] , wherein the olefin is propylene and the olefin oxide is propylene oxide;
[11] The process according to any one of [1] to [10] , which comprises reacting an olefin with oxygen at a temperature of 100 to 350°C;
[12] A catalyst for production of an olefin oxide which comprises a ruthenium oxide and a tellurium component and no copper oxide;
[13] The catalyst according to [12] , wherein the ruthenium oxide is Ru02;
[14] The catalyst according to [12] or [13], wherein the tellurium component comprises tellurium and an oxygen atom;
[15] The catalyst according to any one of [12] to [14] , wherein the ruthenium oxide and the tellurium component are supported on a support.
Advantageous Effects of Invention
[0006]
According to the present invention, it is possible to provide a process for producing an olefin oxide that results in providing a further improved olefin oxide yield and selectivity by using a catalyst comprising a ruthenium oxide and a tellurium component and no copper oxide.
Furthermore, it is possible to provide a novel catalyst that provides a further improved olefin oxide yield and selectivity.
Description of Embodiments
[0007]
The process of the present invention comprises
reacting an olefin with oxygen in the presence of a catalyst comprising (a) ruthenium oxide and (b) tellurium component and no copper oxide .
[0008]
The catalyst preferably contains a support, such as a porous support and a non-porous support . A ruthenium oxide and a tellurium component are preferably supported on a support, more preferably supported on a porous support. Examples of the non-porous support include a non-poroUs support comprising Si02 such as CAB-O-SIL (registered trademark) . The catalyst containing a support is valuable for production of olefin oxides, which is one aspect of the present invention.
[0009]
The porous support has pores capable of supporting one or both of the components (a) and (b) . The porous support preferably comprises A1203, Si02, Ti02, or Zr02, more preferably Si02. Examples of the porous support comprising Si02 include mesoporous silica. Such porous supports may also comprise zeolites.
[0010]
The support may be in form of powder, or may be shaped to a desired stucture.
[0011]
The catalyst may comprise one or more kinds of the
component (a) .
[0012]
The component (a) is usually composed of ruthenium and oxygen.
[0013]
Examples of the ruthenium oxide include Ru204, Ru205, Ru305, Ru306, Ru04, and Ru02. The component (a) is preferably Ru02.
[0014]
The catalyst may comprise one or more kinds of the component (b) . The component (b) may be tellurium- containing compound or tellurium ion. Examples of the tellurium-containing compound include tellurium oxide such as TeO, Te02, Te03 or Te205, and tellurium salt with anion such as CI", Br", I", F" , OH", NO3" or C03 2" . Examples of the tellurium ion include Te2+, Te4+, Te6+, Te2". The component (b) is preferably tellurium oxide, ,more preferably those comprising tellurium and an oxygen atom, still more preferably Te02.
[0015]
The catalyst may comprise one or more kinds of (c) alkaline metal component or alkaline earth metal component. In the catalyst, the component (c) may be supported on the above-mentioned support.
[0016]
The component (c) may be an alkaline metal-containing compound, an alkaline earth metal-containing compound, an alkaline metal ion or an alkaline earth metal ion.
[0017]
Examples of the alkaline metal-containing compound include compounds containing an alkaline metal such as Na, , Rb and Cs . · Examples of the alkaline earth metal- containing compound include compounds containing an alkaline earth metal such as Ca, Mg, Sr and Ba. Examples of the alkaline metal ion include Na+, K+, Rb+ and Cs+. Examples of the alkaline earth metal ion include such as Ca2+, Mg2+, Sr2+ and Ba2+.
[0018]
The alkaline metal component may be an alkaline metal oxide. Examples of the alkaline metal oxide include Na20, Na202, K20, K202, Rb20, Rb202, Cs20, and Cs202. The alkaline earth metal component may be alkaline earth metal oxide. Examples of the alkaline earth metal oxide include CaO, Ca02, MgO, Mg02, SrO, Sr02, BaO and Ba02.
[0019]
The component (c) is preferably an alkaline metal- containing compound, more preferably a sodium-containing compound or a potassium-containing compound, still more preferably a sodium-containing compound.
[0020]
The alkaline metal-containing compound and alkaline earth metal-containing compound are preferably an alkaline metal salt and an alkaline earth metal salt. The alkaline metal salt comprises the alkaline metal ion as mentioned above with an anion. The alkaline earth metal salt comprises the alkaline earth metal ion as mentioned above with an anion. Examples of anions in such salts include CI", Br", I", F", OH", N03 ", S04 2" and C03 2" . Such salts are preferably an alkaline metal salt with a halogen, such as an alkaline metal halide, or an alkaline earth metal- containing salt with a halogen, such as an alkaline earth metal halide, more preferably an alkaline metal salt with a halogen, still more preferably an alkaline metal chloride.
[0021]
Particularly if the catalyst comprises NaCl, as the (c) component, it can show excellent olefin oxide selectivity.
[0022]
The tellurium/ruthenium molar ratio in the catalyst is preferably 0.001/1 to 50/1 based on their atoms. When the molar ratio falls within such a range, the olefin oxide yield and selectivity can be further improved. The lower limit of the molar ratio is more preferably 0.005/1, still more preferably 0.008/1. The upper limit of the molar ratio is more preferably 1/1, still more preferably 0.5/1.
[0023]
The (c) component/ruthenium molar ratio in the catalyst is preferably 0.001/1 to 50/1 based on their atoms When the molar ratio falls within such a range, the olefin oxide yield and selectivity can be further improved. The lower limit of the molar ratio is more preferably 0.01/1, still more preferably 0.1/1. The upper limit of the molar ratio is more preferably 10/1, still more preferably 5/1.
[0024]
When the components (a) and (b) , and optionally any of the components (c) are supported on a support in the catalyst, the total content of these components is preferably 0.01 to 80 weight parts relative to 100 weight parts of a porous support. When the total content falls within such a range, the olefin oxide yield, and selectivity can be further improved. The lower limit of the total content is more preferably 0.05 weight parts, still more preferably 0.1 weight parts relative to 100 weight parts of a porous support. The upper limit of the total content is more preferably 50 weight parts, still more preferably 30 weight parts relative to 100 weight parts of a porous support .
[0025]
The catalyst may comprise (d) halogen component besides the components (a) , (b) , (c) and (d) . The
component (d) is generally a halogen-containing compound. Examples of the halogen include chlorine, fluorine, iodine and bromine:.
[0026]
Examples of such a halogen-containing compound include copper halides such as CuCl and CuCl2, tellurium halides such as TeCl2 and TeCl4 ruthenium halides such as RuCl3 and ruthenium oxyhalides such . as Ru2OCl4, Ru2OCl5 and Ru2OCl6, and tellurium oxyhalides such as Te60nCli2. If the catalyst comprises the component (d) , the component may be supported on any of the components (a) , (b) and (c) or the support .
[0027]
The catalyst may further comprise (e) composite oxides including those composed of tellurium, sodium and oxygen, such as Na2Te03, Na2Te04, Na2Te409, and Na4Te05, and those composed of sodium, ruthenium and oxygen, and ruthenium, tellurium and oxygen.
[0028]
If the catalyst comprises the component (e) , the component may be supported on the support or any of the components (a), (b) , (c) and (d) as mentioned above.
[0029]
The catalyst comprises no copper oxide.
[0030]
Production of the catalyst is not restricted to a specific process,' and examples of which include the conventional methods such as impregnation method, precipitation method, deposition precipitation method, chemical vapour deposition method, mechnano-chemical method, and solid state reaction method, and impregnation method is preferable.
[0031]
When the components (a) and (b) , optionally in addition with the component (c) , (d) or (e) are supported on a support in the catalyst, the catalyst can be obtained by impregnating a support with a solution or a suspension containing a ruthenium ion, a tellurium ion or compound, and optionally an alkaline metal or alkaline earth metal- containing ion and/or a halogen ion to prepare a composition, followed by calcining the composition obtained.
[0032]
The solution or suspepension containing above- mentioned ions can be prepared by mixing a ruthenium metal salt and a tellurium metal salt,' and optionally an alkaline metal or alkaline earth metal-containing salt and/or a halogen-containing compound in a solvent.
[0033]
Examples of the tellurium compound or salt include a halide such as TeF6, TeBr4, TeCl4 and Tel4, an oxyhalide,
oxide such as TeO, Te02 and Te03, an alkoxide such as Te(OC2H5)4i a tellurate such as H2Te03f H6Te06, Na2Te03 and Na2Te04, preferably halide and oxide, more preferably oxide, still more preferably Te02.
[0034]
Examples of the ruthenium metal salt include a halide such as ruthenium bromide, ruthenium chloride, ruthenium iodide, an oxyhalide such as Ru2OCl , Ru2OCl5 and Ru2OCl6, a halogeno complex such as [RuCl2 (H20) ] CI, an ammine complex such as [Ru(NH3')5H20] Cl2, [Ru (NH3) 5C1] Cl2 , [Ru (NH3) 6] Cl2 and [Ru(NH3) 6] cl3, a carbonyl complex such as Ru(CO)5 and Ru3(CO)i2, a carboxylate complex such as
[Ru30 (OCOCH3) 6 (H20) 3] , ruthenium nitrosylchloride , and [Ru2 (OCOR) 4] CI (R=alkyl group having 1 to 3 carbon atoms), a nitrosyl complex such as [Ru (NH3) 5 (NO) ] Cl3 ,
[Ru(OH) (NH3)4(NO)]'(N03)2 and [Ru (NO) ] (N03 ) 3 , an amine complex, an acetylacetonate complex, an oxide such as Ru02, and ammonium salt such as (NH )2RuCl6, and ruthenium salt containing CI is preferable.
[0035]
The alkaline metal or alkaline earth metal salt for the solution may be the same as or different from the (c) component. Examples of the alkaline metal or alkaline earth metal salt include alkaline metal nitrates, alkaline earth metal nitrates, alkaline metal halides, alkaline
earth metal halides, alkaline metal acetates, alkaline earth metal acetates, alkaline metal butyrates, alkaline earth metal butyrates, alkaline metal benzoates, alkaline earth metal benzoates, alkaline metal alkoxides, alkaline earth metal alkoxides, alkaline metal carbonates, alkaline earth metal carbonates, alkaline metal citrates, alkaline earth metal citrates, alkaline metal formates, alkaline earth metal formates, alkaline metal hydrogen carbonates, alkaline earth metal hydrogen carbonates, alkaline metal hydroxides, alkaline earth metal hydroxides, alkaline metal hypochlorites, alkaline earth metal hypochlorites, alkaline metal halates, alkaline earth metal halates, alkaline metal nitrites, alkaline earth metal nitrites, alkaline metal oxalates, alkaline earth metal oxalates, alkaline metal perhalates, alkaline earth metal perhalates, alkaline metal propionates, alkaline earth metal propionates, alkaline metal tartrates and alkaline earth metal tartrates, and alkaline metal halides and alkaline metal nitrates are preferable, and NaN03 and NaCl are more preferable.
[0036]
If an alkaline metal salt with a halogen or alkaline earth metal salt with a halogen is used for production of the catalyst, the catalyst comprising the components (a) , (b) , (c) and (d) can be produced from a solution obtained by mixing the ruthenium metal salt, the tellurium compound
or salt, and the alkaline metal salt or alkaline earth metal salt in a solvent. Atr-least one selected from the group consisting of the above-mentioned' metal salts preferably contains a halogen ion, more preferably a chloride ion. Such a halogen ion may form the (c) component such as NaCl and the (d) component such as halides and oxyhalides of Ru or Te . The solution may contain acidic or basic compounds in order to control its pH. Examples of the acid compounds include hydrochloric acid, nitric acid, nitrous acid perchloric acid. Examples of basic compounds include alkaline metal hydroxides, amine compounds, imine compounds, hydrazine or hydrazine compounds, ammonia, hydroxylamine , hydroxyamine and ammonium hydroxides .
[0037]
Examples of the solvent include water, alcohols such as methanol or ethanol , and ethers . The amount of the solvent is preferably 0.01 to 2000 parts by weight per 1 part by. weight of copper salt. If the catalyst contains the support, the amount of the solvent is preferably 0.01 to 500 parts by weight per 1 part by weight of the support, and more preferably 0.1 to 100 parts by weight.
[0038]
The molar ratio of V, Mo or W to ruthenium metal in the cattalyst is preferably less than 0.25, and more preferably less than 0.1, and it is still more peferable
that the catalyst substantially contains no V, Mo or W.
[0039]
The composition as prepared by the impregnation is usually dried, and examples of the drying method include evaporation to dryness, spray drying, drum drying and flash drying.
[0040]
The composition as prepared by the impregnation is usually dried, and the drying method thereof is not limited. The composition as prepared by the impregnation is preferably dried at a temperature of 10°C toc 250°C, and more preferably 40°C to 200°C before calcining the composition. Drying may be performed under an atmosphere of oxygen containing gas such as air or also under an inert gas atmosphere (for example, Ar, N2, He) at standard pressure or reduced pressure. A drying time is preferably in the range from 0.5 to 24 hours. The method of calcining the composition is not limited, and calcining the composition is preferably performed under a gas atmosphere containing oxygen and/or inert gas such as nitrogen, helium and argon. Examples of such a gas include air, an oxygen gas, nitrous oxide, and other oxidizing gases. The gas may be used after being mixed at an appropriate ratio with a diluting gas such as nitrogen, helium, argon, and water vapor. An optimal temperature for calcination varies
depending on the kind of the gases and the compositions, however, a too high temperature may cause agglomeration of ruthenium oxide. Accordingly, the calcination temperature is typically 200°C to 800°C, preferably 400°C to 600°C. The calcining time is preferably in the range from 0.5 hour to 24 hours .
[0041]
The catalyst can be used as powder, but it is usual to shape it into desired structures such as spheres, pellets, cylinders, rings, hollow cylinders or stars. The catalyst can be shaped by a known procedure such as extrusion, ram extrusion, tableting. The calcination is normally performed after shaping into the desired structures, but it can also be performed before shaping them.
[0042]
-Next, the following explains a reaction of an olefin with oxygen in the presence of the catalyst as described above .
[0043]
In the present invention, the olefin may have a linear or branched structure and contains usually 2 to 10, preferably 2 to 8 carbon atoms. The olefin may be a monoolefin or a diolefin. Examples of the monoolefin include ethylene, propylene, butene, pentene, hexane, heptene, octene, nonene, and decene. Examples of the diene
include butadiene such as 1, 3 -butadiene or 1, 2 -butadiene. Examples of the olefin include preferably monoolefin, more preferably ethylene, propylene, butene, pentene, hexene, heptene and octene, still more preferably ethylene, propylene and butene, most preferably propylene.
[0044]
The reaction is generally performed in the gas phase. In the reaction, the olefin and oxygen may be fed respectively in the form of a gas. Olefin and oxygen gases can be fed in the form of .their mixed gas. Olefin and oxygen gases, may be fed with diluent gases. Examples of diluent gases include nitrogen methane, ethane, propane, carbon dioxide, or rare gases, such as argon and helium.
[0045]
As the oxygen source, pure oxygen may be used, or a mixed gas containing a gas inactive to the reaction, such as air, may be used. The amount of oxygen used varies depending on the reaction type, the catalyst, the reaction temperature or the like. The amount of oxygen is typically 0.01 mol to 100 mol, and preferably 0.03 to 30 mol, more preferably 0.05 to 10 mol, and especially preferably 0.25 mol to 10 mol with respect to 1 mol of the olefin.
[0046]
■ The reaction is performed at a temperature generally
of 100 to 350 C, preferably of 120 to 330 C, more preferably of 170 to 310°C.
[0047]
The reaction is usually carried out under reaction pressure in the range of reduced pressure to increased pressure. By carrying out the reaction under such a reaction pressure condition, the productivity and selectivity of olefin oxides can be improved. Reduced pressure means a pressure lower than atmospheric pressure.
Increased pressure means a pressure higher than atmospheric pressure. The pressure is typically in the range of 0.01 to 3 MPa, and preferably in the range of 0.02 to 2 MPa, in the absolute pressure.
[0048]
The gaseous hourly space velocity (Liters of gas at standard temperature and pressure passing over the one liter of packed catalyst per hour) is generally in the range of from 100 l/(l.h) to 100000 Nl/(l.h), preferably
500 Nl/(l.h) to 50000 Nl/(l.h). The linear velocity is generally in _ the range of from 0.0001 m/s to 500 m/s, and preferably in range of 0.001 m/s to 50 m/s.
[0049]
The reaction may be carried out as a batch reaction or a continuous flow reaction, preferably as a continuous flow
reaction for industrial application. The reaction of the present invention may be carried out by mixing an olefin and oxygen and then contacting the mixture with the catalyst under reduced pressure to the increased pressure.
[0050]
• The reactor type is not limited. Examples of the reactor type are fluid bed reactor, fixed bed reactor, moving bed reactor, and the like, preferably fixed bed reactor. In the case of using fixed bed reactor, single tube reactor or multi tube reactor can be employed. More than one reactor can be used. If the number of reactors is large, small reactors as for example microreactors, can be used, which can have multiple channels.
[0051]
When a fixed bed reactor is used, the catalyst can be packed into the reactor or coated on the surface of the reactor wall. The coated type reactor is suitable for microreactors and the packed bed reactor is suitable for a large reactor.
[0052]
Generally, the reaction mixture can be passed through the packed bed reactor in up-flow mode or in downflow mode.
[0053]
Adiabatic type reactor or heat exchange type reactor may also be used. When adiabatic type reactor is used, a
part of the reaction mixture from the reactor can be recycled into the reactor after heat-exchanging to control the reaction temperature.
[0054]
When two or more reactors are used, the reactors can be arranged in series and/or in parallel. When two or more reactors arranged in series are used, a heat exchanger can be used between the reactors for controling reaction temperature .
[0055]
In the present invention, the olefin oxide may have a linear or branched structure and contains usually 2 to 10, preferably 2 to 8 carbon atoms. The olefin oxide may have one carbon-carbon double bond when the diolefin is applied for the reaction. Examples of the olefin oxide having one carbon-carbon double bond include 3 , 4 -epoxy- 1-butene . Examples of the olefin oxides include preferably ethylene oxide, propylene oxide, butene oxide, pentene oxide, hexene oxide, heptene oxide and octene oxide, more preferably ethylene oxide, propylene oxide and butene oxide, still more preferably propylene oxide .
[0056]
The olefin oxide as obtained can be collected by absorption with a suitable solvent such as water and acetonitrile followed by conducting a method known in the
art such as separation by distillation.
Examples
[0057]
In Examples 1 to 3 and Comparative Example 1, each measurement was performed according to the following method:
A reaction gas was mixed with ethane (10 Nml/min) as an external standard, and then directly introduced in the TCD-GC equipped with a column of Gaskuropack 54 (2 m) . All products in the reaction gas were collected for 1 hour with double methanol traps connected in series and cooled with an ice bath. The two methanol solutions were mixed together and added to anisole as an external standard, and then analyzed with two FID-GCs equipped with different columns, PoraBOND U (25 m) and PoraBOND Q (25 m) .
[0058]
The detected products were propylene oxide (PO) , acetone (AT) , acetaldehyde (AD) , COx (C02 and CO) , and propanal (PaL) and acrolein (AC).
[0059]
Propylene conversions (XPR) were determined from the following:
XPR = { [PO+AC+AT+PaL+C02/3]out/ [C3H6] in} x 100%; and PO selectivities (SP0) were then calculated using the
following expression:
Spo = { [PO] / [PO+AC+AT+PaL+C02/3] } x 100%
Each metal weight was determined from the amounts of the metal salts used for preparation of catalyst.
[0060]
Example 1
A catalyst was prepared by an impregnation method. A "predetermined weights 2.0 g of Ru02 (Furuya Metal) and 0..022 g of Te02 (Wako) was crushed and mixed by a mortar. The resulting material ' was then calcined at 500°C for 12 hours in the air to give a catalyst. Te/Ru molar ratio is 0.01.
[0061]
The catalyst was evaluated by using a fixed-bed reactor. Filling a 22mmcp reaction tube made of grass with lmL of thus obtained catalyst, the reaction -tube was supplied with 450 NmL/h of propylene, 900 NmL/h of the air, 990 NmL/h of a nitrogen gas to carry out the reaction at the reaction temperature of 220°C under the atmospheric pressure.
The results are shown in Table 1.
[0062]
Comparative Example 1
Procuction of propylene oxide is carried out in the same manner as Example 1 except that the catalyst of Ru02
(Furuya Metal) is used. The result is shown in Table 1.
[0063]
[0064]
Example 2
A catalyst was prepared by a co-impregnation method. A predetermined weights (1.9 g) of an amorphous silica powder (Si02, Japan Aerosil, 380 m2/g) was added to an aqueous solution mixture containing 0.55 g of (NH )2R Cl6 (Aldrich) , and 0.04 g of TeCl4 (Wako) , followed by stirring it for 24 hours in the air to impregnate the support with the metal salts. The resulting material was then heated at 100°C until dried, and calcined at 500°C for 12 hours in the air to give a catalyst. In the catalyst, the total amount of Ru and Te was 9.2 weight parts relative to 100 weight parts of Si02, and Te/Ru molar ratio is 0.1.
[0065]
The catalyst was evaluated by using a fixed-bed reactor. Filling a 1/2-inch reaction tube made of stainless steel with lmL of thus obtained catalyst, the reaction tube was supplied with 450 NmL/h of propylene, 900 NmL/h of the air, 990 NmL/h of a nitrogen gas to carry out the reaction at the condition of the increased pressure
(equicalent to 0.3 MPa in the absolute pressure).
The results are shown in Table 2.
[0066]
Example 3
A catalyst was prepared by a co- impregnation method. A predetermined weights (1.9 g) of an amorphous silica powder (Si02, Japan Aerosil, 380 m2/g) was added to an aqueous solution mixture containing 0.55 g of (NH )2RuCl6 (Aldrich) , 0.1 g of NaCl (Wako) and 0.04 g of TeCl4 (Wako) , followed by stirring it for 24 hours in the air to impregnate the support with the metal salts. The resulting material was then heated at 100 °C until dried, and calcined at 500 °C for 12 hours in the air to give a catalyst. In the catalyst, the total amount of Ru, Te and Na was 11.2 weight parts relative to 100 weight parts of Si02, and Te/Ru/Na molar ratio is 0.1/1/1.1.
[0067]
Industrial Applicability
[0068]
According to the present invention, by using a. catalyst comprising a ruthenium oxide and a tellurium
component and no copper oxide, it is possible to provide a novel process for producing an olefin oxide. Furthermore, the present invention provides a novel catalyst used for the same .
Claims
1. A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a ruthenium oxide and a tellurium component and no copper oxide .
2. The process according to claim 1, wherein the ruthenium oxide and the tellurium component are supported on a support .
3. The process according to claim 2 wherein the support comprises Al203, Si02, Ti02 or Zr02.
4. The process according to claim 2 or 3 , wherein the support comprises Si02.
5. The process according to claim 1, wherein the tellurium/ruthenium molar ratio in the catalyst is 0.001/1 to 50/1.
6. The process according to claim 1, wherein the ruthenium oxide is Ru02.
7. The process according to claim 1, wherein the tellurium component comprises tellurium and an oxygen atom.
8. The process according to claim 2, wherein the total amount of the ruthenium oxide and the tellurium component is 0.01 to 80 weight parts relative to 100 weight parts of a support.
9. The process according to claim 2, wherein the catalyst is obtained by impregnating a support with a solution or a suspension containing a ruthenium ion and a tellurium ion or compound, followed by calcining the composition obtained.
10. The process according to claim 1 or 2, wherein the olefin is propylene and the olefin oxide is propylene oxide .
11. The process according to claim 1 or 2, which comprises reacting an olefin with oxygen at a temperature of 100 to 350°C.
12. A catalyst for production of an olefin oxide which comprises a ruthenium oxide and a tellurium component and no copper oxide .
13. The catalyst according to claim 12, wherein the ruthenium oxide is Ru02.
14. The catalyst according to claim 12, wherein the tellurium component comprises tellurium and an oxygen atom.
15. The catalyst according to claim 12, wherein the ruthenium oxide and the tellurium component are supported on a support .
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JP2002371074A (en) | 2001-04-13 | 2002-12-26 | Mitsubishi Chemicals Corp | Method for producing oxysilane compound |
US20030191328A1 (en) | 2000-05-18 | 2003-10-09 | Ursula Jansen | Method for expoxidation of hydrocarbons |
US20050239643A1 (en) * | 2004-04-22 | 2005-10-27 | Abraham Benderly | Structured oxidation catalysts |
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US20030191328A1 (en) | 2000-05-18 | 2003-10-09 | Ursula Jansen | Method for expoxidation of hydrocarbons |
JP2002371074A (en) | 2001-04-13 | 2002-12-26 | Mitsubishi Chemicals Corp | Method for producing oxysilane compound |
US20050239643A1 (en) * | 2004-04-22 | 2005-10-27 | Abraham Benderly | Structured oxidation catalysts |
Non-Patent Citations (1)
Title |
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ALAN J. BAILEY ET AL: "Oxo complexes of ruthenium with N,N?-donors as oxidation catalysts for alkenes, alkanes and alcohols, and their osmium analogues", JOURNAL OF THE CHEMICAL SOCIETY, DALTON TRANSACTIONS, no. 21, 1 January 1995 (1995-01-01), pages 3537, XP055053951, ISSN: 0300-9246, DOI: 10.1039/dt9950003537 * |
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