KR0145749B1 - 에틸렌 옥사이드 제조용 은촉매 및 그 제조방법 - Google Patents
에틸렌 옥사이드 제조용 은촉매 및 그 제조방법Info
- Publication number
- KR0145749B1 KR0145749B1 KR1019930002577A KR930002577A KR0145749B1 KR 0145749 B1 KR0145749 B1 KR 0145749B1 KR 1019930002577 A KR1019930002577 A KR 1019930002577A KR 930002577 A KR930002577 A KR 930002577A KR 0145749 B1 KR0145749 B1 KR 0145749B1
- Authority
- KR
- South Korea
- Prior art keywords
- carrier
- alumina
- catalyst
- silver
- range
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 115
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 63
- 239000004332 silver Substances 0.000 title claims abstract description 63
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title description 6
- 229910052792 caesium Inorganic materials 0.000 claims abstract description 38
- 239000011148 porous material Substances 0.000 claims abstract description 36
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 23
- 239000011959 amorphous silica alumina Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 87
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 23
- 238000000151 deposition Methods 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000012018 catalyst precursor Substances 0.000 claims description 5
- 239000011164 primary particle Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000011163 secondary particle Substances 0.000 claims description 5
- 239000010419 fine particle Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims 1
- 230000003213 activating effect Effects 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 13
- 239000005977 Ethylene Substances 0.000 abstract description 13
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001882 dioxygen Inorganic materials 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 29
- 239000000969 carrier Substances 0.000 description 15
- 239000011734 sodium Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 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 10
- 229910052783 alkali metal Inorganic materials 0.000 description 10
- 229910052708 sodium Inorganic materials 0.000 description 10
- 150000001340 alkali metals Chemical class 0.000 description 9
- -1 alkali metal salts Chemical class 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000008119 colloidal silica Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229910052701 rubidium Inorganic materials 0.000 description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- BFYCFODZOFWWAA-UHFFFAOYSA-N 2,4,6-trimethylpyridine-3-carbaldehyde Chemical compound CC1=CC(C)=C(C=O)C(C)=N1 BFYCFODZOFWWAA-UHFFFAOYSA-N 0.000 description 1
- OQXSRALAOPBHPM-UHFFFAOYSA-N 2-hydroxypropanoic acid;silver Chemical compound [Ag].CC(O)C(O)=O OQXSRALAOPBHPM-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000000441 X-ray spectroscopy Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001504 inorganic chloride Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- CEQFOVLGLXCDCX-WUKNDPDISA-N methyl red Chemical compound C1=CC(N(C)C)=CC=C1\N=N\C1=CC=CC=C1C(O)=O CEQFOVLGLXCDCX-WUKNDPDISA-N 0.000 description 1
- 150000007522 mineralic acids 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
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002683 reaction inhibitor Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- XNGYKPINNDWGGF-UHFFFAOYSA-L silver oxalate Chemical compound [Ag+].[Ag+].[O-]C(=O)C([O-])=O XNGYKPINNDWGGF-UHFFFAOYSA-L 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
-
- 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
- C07D301/10—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 with catalysts containing silver or gold
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/12—Silica and alumina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (19)
- 담체의 외표면 및 그 내부 기공의 표면이 비정질 실리카-알루미나로 코팅되고, 상기 비정질 실리카-알루미나 혼합체 중의 Si 및 Al의 총함량이 3×10-4내지 2×10-1g/g담체 이고 Si/Al비가 0.05 내지 50.0g/g이고, 완성 촉매를 기준으로 하여 5 내지 25 중량%의 금속 은 미립자 및 완성 촉매 1kg당 0.0001 내지 0.05g당량의 세슘을 침적하여 된 α-알루미나 담체를 포함하는 것을 특징으로 하는 에틸렌 옥사이드 제조용 은촉매.
- 제1항에 있어서, 상기 α-알루미나 담체의 비표면적이 0.75 내지 5㎡/g 범위인 것을 특징으로 하는 촉매.
- 제2항에 있어서, 상기 α-알루미나 담체의 겉보기 공극율이 45 내지 70% 범위인 것을 특징으로 하는 촉매.
- 제2항에 있어서, 상기 세슘의 함량이 완성 촉매 1kg당 0.001 내지 0.03g당량인 것을 특징으로 하는 촉매.
- 제3항에 있어서, 상기 α-알루미나 담체의 비기공용적이 0.1 내지 0.8cc/g인 것을 특징으로 하는 촉매.
- 제 2항에 있어서, 상기 금속 은의 총량이 완성 촉매를 기준으로 하여 5 내지 20 중량%인 것을 특징으로 하는 촉매.
- 제2항에 있어서, 상기 비정질 실리카-알루미나 혼합체의 코팅이 Si 및 Al 총량은 담체의 5×10-4내지 1×10-1g/g이고, Si/Al 비는 0.5 내지 10.0g/g인 것을 특징으로 하는 촉매.
- 제1항에 있어서, 상기 α-알루미나 담체가 0.1 내지 10㎛ 입경의 1차 α-알루미나 입자로 형성된 20 내지 200㎛ 입경의 2차 α-알루미나 입자를 그 주성분으로서 갖는 것을 특징으로 하는 촉매.
- 제1항에 있어서, 상기 담체가 평균 상당 직경이 3 내지 20㎜인 기공을 갖는 것을 특징으로 하는 촉매.
- 제1항에 있어서, 상기 α-알루미나 담체의 비기공용적이 0.2 내지 0.5cc/g인 것을 특징으로 하는 촉매.
- 0.1 내지 10㎛ 입경의 α-알루미나 1차 입자로 형성된 20 내지 200㎛의 2차 입자경을 갖고, 비표면적이 0.1 내지 10㎡/g인 알루미나 분체를 주원료로 하고, 혼합시에 콜로이드상으로 되는 알루미나 및 실리카를 알루미나 분체와 혼합시킨 후, 얻어진 혼합체를 소정의 형상으로 성형하여, 성형제를 건조하고 1,000 내지 1,600℃의 온도 범위에서 소성하여, 담체의 외표면 및 담체의 기공표면이, Si 및 Al의 총향이 3×10-4내지 2×10-1g/g담체 범위이고, Si/Al 비가 0.05 내지 50.0g/g인 비정질 실리카-알루미나 혼합제로 코팅된 α-알루미나 담체를 조제하여, 상기 α-알루미나 담체에 완성 촉매를 기준으로 하여 5 내지 25 중량%의 금속은 미립자 및 완성 촉매 1kg당 0.0001 내지 0.05g당량의 세슘을 침적시킨 후, 촉매 성분이 침적된 촉매를 활성화 처리하여 은과 세슘을 다공성 무기질 내구성 담체에 석출시키고, 그 후 얻어진 촉매 전구체를 비활성 가스 내에서 400 내지 950℃ 온도 범위로 열처리 하는 것을 포함하는 것을 특징으로 하는 에틸렌 옥사이드 제조용 은촉매의 제조방법.
- 제11항에 있어서, 상기 담체의 평균 상당 직경이 3 내지 20㎜인 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 α-알루미나 담체의 기공율이 45 내지 70%인 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 세슘의 함량이 완성 촉매 1kg당 0.001 내지 0.03g당량 범위인 것을 특징으로 하는 방법.
- 제13항에있어서, 상기 α-알루미나 담체의 비기공용적이 0.1 내지 0.8cc/g인 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 금속은의 함량이 5 내지 20중량% 범위인 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 비정질 알루미나 담체의 코팅이 Si 및 Al 총량은 5×10-4내지 1×10-1g/g 범위이고, Si/Al 비는 0.5 내지 10.0g/g 범위인 것을 특징으로 하는 방법
- 제11항에 있어서, 상기 α-알루미나 담체의 비기공용적 0.2 내지 0.5cc/g범위인 것을 특징으로 하는 방법.
- 제11항에 있어서, 상기 열처리가 500℃ 내지 800℃온도 범위에서 수행되는 것을 특징으로 하는 방법.
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JP4130392 | 1992-02-27 | ||
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JP33054792A JP3313164B2 (ja) | 1992-02-27 | 1992-12-10 | エチレンオキシド製造用銀触媒およびその製造方法 |
JP92-330547 | 1992-12-10 |
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KR20190063980A (ko) * | 2017-11-30 | 2019-06-10 | 롯데케미칼 주식회사 | 열적 안정성이 향상된 코어-쉘 구조를 갖는 담체를 이용한 산화 탄화수소 제조용 촉매, 이의 제조방법 및 이를 이용한 산화 탄화수소의 제조방법 |
KR20190063938A (ko) * | 2017-11-30 | 2019-06-10 | 롯데케미칼 주식회사 | 열적 안정성이 향상된 코어-쉘 구조의 촉매담체 및 이의 제조방법 |
Families Citing this family (14)
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JP4210255B2 (ja) * | 1997-12-25 | 2009-01-14 | 株式会社日本触媒 | エチレンオキシド製造用銀触媒およびエチレンオキシドの製造方法 |
US6908879B1 (en) | 1999-09-06 | 2005-06-21 | Nippon Shokubai Co., Ltd. | Ceramic article, carrier for catalyst, methods for production thereof, catalyst for producing ethylene oxide using the carrier, and method for producing ethylene oxide |
JP4588183B2 (ja) * | 1999-09-06 | 2010-11-24 | 株式会社日本触媒 | セラミックス体、触媒用担体、それらの製造方法、該担体を用いてなる酸化エチレン製造用触媒、その製造方法および酸化エチレンの製造方法 |
ZA200200049B (en) | 2001-01-25 | 2002-07-16 | Nippon Catalytic Chem Ind | Fixed-bed shell-and-tube reactor and its usage. |
JP4726349B2 (ja) * | 2001-08-03 | 2011-07-20 | 株式会社日本触媒 | 酸化エチレン製造用触媒、その製造方法および当該触媒による酸化エチレンの製造方法 |
JP4050041B2 (ja) | 2001-11-06 | 2008-02-20 | 株式会社日本触媒 | 酸化エチレン製造用触媒、その製造方法および当該触媒による酸化エチレンの製造方法 |
EP1658136A1 (en) * | 2003-08-22 | 2006-05-24 | Union Carbide Chemicals & Plastics Technology Corporation | Improved alumina carriers and silver-based catalysts for the production of alkylene oxides |
TW201109083A (en) | 2005-06-07 | 2011-03-16 | Saint Gobain Ceramics & Plastics Inc | A process for preparing a catalyst carrier |
MX2007015271A (es) | 2005-06-07 | 2008-02-22 | Shell Int Research | Catalizador, proceso para preparar el mismo, y proceso para producir oxido de olefina, 1,2-diol, 1,2-diol eter o una alcanolamina. |
US8008515B2 (en) | 2006-05-02 | 2011-08-30 | Nippon Shokubai Co., Ltd. | Catalyst for partial oxidation of olefin, preparation method thereof, and process for preparing alkylene oxide |
JP5566881B2 (ja) * | 2008-03-26 | 2014-08-06 | 株式会社日本触媒 | エチレンオキシド製造用触媒および該触媒を用いたエチレンオキシドの製造方法 |
US20110017348A1 (en) | 2008-06-30 | 2011-01-27 | Michio Tanimoto | Method of loading solid particles into a fixed-bed multitubular reactor |
JP5570500B2 (ja) | 2009-03-31 | 2014-08-13 | 株式会社日本触媒 | エチレンオキシド製造用触媒およびエチレンオキシドの製造方法 |
JP2011121048A (ja) | 2009-12-09 | 2011-06-23 | Rohm & Haas Co | 固体触媒物質をブレンドし、管状構造物に装填する方法 |
-
1992
- 1992-12-10 JP JP33054792A patent/JP3313164B2/ja not_active Expired - Fee Related
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1993
- 1993-02-24 KR KR1019930002577A patent/KR0145749B1/ko not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190063980A (ko) * | 2017-11-30 | 2019-06-10 | 롯데케미칼 주식회사 | 열적 안정성이 향상된 코어-쉘 구조를 갖는 담체를 이용한 산화 탄화수소 제조용 촉매, 이의 제조방법 및 이를 이용한 산화 탄화수소의 제조방법 |
KR20190063938A (ko) * | 2017-11-30 | 2019-06-10 | 롯데케미칼 주식회사 | 열적 안정성이 향상된 코어-쉘 구조의 촉매담체 및 이의 제조방법 |
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JP3313164B2 (ja) | 2002-08-12 |
TW304891B (ko) | 1997-05-11 |
KR930017618A (ko) | 1993-09-20 |
JPH05329368A (ja) | 1993-12-14 |
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