JP5450457B2 - アルミナまたはアルミニウムオキシ水酸化物担体上の酸化ジルコニウム、酸化チタン、または混合ジルコニウムチタン酸化物をベースとする組成物、調製方法、および触媒としての使用 - Google Patents
アルミナまたはアルミニウムオキシ水酸化物担体上の酸化ジルコニウム、酸化チタン、または混合ジルコニウムチタン酸化物をベースとする組成物、調製方法、および触媒としての使用 Download PDFInfo
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- JP5450457B2 JP5450457B2 JP2010549089A JP2010549089A JP5450457B2 JP 5450457 B2 JP5450457 B2 JP 5450457B2 JP 2010549089 A JP2010549089 A JP 2010549089A JP 2010549089 A JP2010549089 A JP 2010549089A JP 5450457 B2 JP5450457 B2 JP 5450457B2
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- Prior art keywords
- oxide
- alumina
- zirconium
- aluminum
- precipitate
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- 239000000203 mixture Substances 0.000 title claims description 110
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 49
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 title claims description 28
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 title claims description 22
- 229910001928 zirconium oxide Inorganic materials 0.000 title claims description 22
- 239000003054 catalyst Substances 0.000 title claims description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title description 15
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 title description 15
- 238000002360 preparation method Methods 0.000 title description 12
- ZARVOZCHNMQIBL-UHFFFAOYSA-N oxygen(2-) titanium(4+) zirconium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4] ZARVOZCHNMQIBL-UHFFFAOYSA-N 0.000 title description 8
- 238000000034 method Methods 0.000 claims description 68
- 239000002245 particle Substances 0.000 claims description 49
- 239000000725 suspension Substances 0.000 claims description 31
- 239000002244 precipitate Substances 0.000 claims description 24
- -1 aluminum compound Chemical class 0.000 claims description 22
- 238000010304 firing Methods 0.000 claims description 19
- 238000001354 calcination Methods 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 239000000047 product Substances 0.000 claims description 17
- 230000032683 aging Effects 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 16
- 238000001246 colloidal dispersion Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910052788 barium Inorganic materials 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001694 spray drying Methods 0.000 claims description 8
- 229910052712 strontium Inorganic materials 0.000 claims description 8
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 150000003755 zirconium compounds Chemical class 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- 230000005070 ripening Effects 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 150000003754 zirconium Chemical class 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000000243 solution Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 238000002441 X-ray diffraction Methods 0.000 description 10
- 239000002585 base Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 229910010413 TiO 2 Inorganic materials 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 0 CCC(*C*NC*C=CCC)[C@@](C)*C Chemical compound CCC(*C*NC*C=CCC)[C@@](C)*C 0.000 description 4
- 229910001593 boehmite Inorganic materials 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 150000003609 titanium compounds Chemical class 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical group 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000002296 dynamic light scattering Methods 0.000 description 3
- 229910001679 gibbsite Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 150000003608 titanium Chemical class 0.000 description 3
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 229960002684 aminocaproic acid Drugs 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910001680 bayerite Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 229910001648 diaspore Inorganic materials 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910001682 nordstrandite Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000005169 Debye-Scherrer Methods 0.000 description 1
- 241000264877 Hippospongia communis Species 0.000 description 1
- 229910020837 La—Pr Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- NKCVNYJQLIWBHK-UHFFFAOYSA-N carbonodiperoxoic acid Chemical compound OOC(=O)OO NKCVNYJQLIWBHK-UHFFFAOYSA-N 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- XFVGXQSSXWIWIO-UHFFFAOYSA-N chloro hypochlorite;titanium Chemical compound [Ti].ClOCl XFVGXQSSXWIWIO-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 1
- 238000007324 demetalation reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 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
- 239000008187 granular material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 150000002604 lanthanum compounds Chemical class 0.000 description 1
- JKAYFQPEIRPZPA-UHFFFAOYSA-N lanthanum neodymium Chemical compound [La][Nd] JKAYFQPEIRPZPA-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000002798 neodymium compounds Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- IPCAPQRVQMIMAN-UHFFFAOYSA-L zirconyl chloride Chemical compound Cl[Zr](Cl)=O IPCAPQRVQMIMAN-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/02—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- 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
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/393—Metal or metal oxide crystallite size
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
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- 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
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Description
この第1の方法は、以下のステップを含む。
このようにして形成された混合物を噴霧乾燥するステップ、および
このようにして得られた乾燥生成物を焼成するステップ。
本発明の組成物は第2の方法によっても調製することができ、この方法を以下に記載する。
このようにして形成された混合物を、温度少なくとも100℃に加熱するステップ、
このようにして得られた沈澱物を回収するステップ、および
前記沈殿物を焼成するステップ。
この第3の方法は、以下のステップを含む。
(b1)上記混合物を塩基と接触させ、これによって沈殿物を含む懸濁液を得るステップ、
(c1)このようにして得られた懸濁液を乾燥するステップ、および
(d1)このようにして得られた乾燥生成物を焼成するステップ。
この第4の調製方法は、以下のステップを含む。
(b2)上記混合物を塩基と接触させ、これによって沈殿物を含む懸濁液を得るステップ、
(c2)このようにして得られた懸濁液に、安定化元素の化合物を添加するステップ、
(d2)前のステップで生じる懸濁液を乾燥するステップ、および
(e2)このようにして得られた乾燥生成物を焼成するステップ。
この第5の方法は、以下のステップを含む。
沈殿物が形成されるように、塩基を上記混合物と接触させるステップ、
このようにして得られた沈澱物を回収するステップ、および
前記沈殿物を焼成するステップ。
この実施例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体に分散された酸化ジルコニウムをベースとする組成物の、本発明の第1の方法を用いる調製に関する。
この実施例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体上の酸化ジルコニウムをベースとする組成物の、本発明の第5の方法による調製に関する。
この実施例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体上の酸化チタンをベースとする組成物の調製に関する。
この実施例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体上のZrTiO4酸化物をベースとする組成物の、本発明の第5の方法による調製に関する。
この比較例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体上の酸化チタンをベースとする組成物の調製に関する。
この比較例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体上の酸化チタンをベースとする組成物の調製に関する。
この比較例は、それぞれ酸化物の重量による割合が70%および30%であるアルミナ担体上の酸化ジルコニウムチタンをベースとする組成物の調製に関する。
Claims (16)
- アルミナまたはアルミニウムオキシ水酸化物をベースとする担体上に担持酸化物として酸化ジルコニウムを含み、900℃で4時間焼成後、担持酸化物が前記担体上に付着した粒子の形態であり、この粒径が、最大10nmであることを特徴とする組成物。
- 担体が、希土類、バリウム、ストロンチウム、およびケイ素から選択された少なくとも1種の安定化元素で安定化されたアルミナまたはアルミニウムオキシ水酸化物をベースとすることを特徴とする、請求項1に記載の組成物。
- 最大50重量%の含有量で担持酸化物を含有することを特徴とする、請求項1または2に記載の組成物。
- 最大30%の含有量で担持酸化物を含有することを特徴とする、請求項3に記載の組成物。
- 担持酸化物が、プラセオジム、ランタン、ネオジム、およびイットリウムから選択された少なくとも1種の他の元素Mでドープされた酸化ジルコニウムであることを特徴とする、請求項1から4の一項に記載の組成物。
- 900℃で4時間焼成後、担持酸化物粒子の粒径が、最大9nmであることを特徴とする、請求項1から5の一項に記載の組成物。
- 1000℃で4時間焼成後、担持酸化物粒子の粒径が、最大20nmであることを特徴とする、請求項1から6の一項に記載の組成物。
- 1000℃で4時間焼成後、担持酸化物粒子の粒径が、最大17nmであることを特徴とする、請求項7に記載の組成物。
- 請求項1から8の一項に記載の組成物を調製する方法であって、以下の
アルミナ、およびアルミニウム水酸化物またはオキシ水酸化物から選択されたアルミニウム化合物を、ジルコニウム化合物、ならびに適切な場合には元素Mの化合物のコロイド分散体と接触させるステップ、
このようにして形成された混合物を噴霧乾燥するステップ、および
このようにして得られた乾燥生成物を焼成するステップを含むことを特徴とする方法。 - 請求項1から8の一項に記載の組成物を調製する方法であって、以下の
少なくとも1種のジルコニウム塩、および適切な場合には元素Mの塩、ならびにアルミナ、およびアルミニウム水酸化物またはオキシ水酸化物から選択されたアルミニウム化合物を含む液体混合物を形成するステップ、
このようにして形成された混合物を、温度少なくとも100℃に加熱するステップ、
このようにして得られた沈澱物を回収するステップ、および
前記沈殿物を焼成するステップを含むことを特徴とする方法。 - 担体が、希土類、バリウム、およびストロンチウムから選択された安定化および/またはドーピング元素で安定化および/またはドープされたアルミナまたはアルミニウムオキシ水酸化物をベースとする、請求項2から8の一項に記載の組成物を調製する方法であって、以下の
(a1)担持酸化物、および適切な場合には元素Mの酸化物のコロイド分散体、ならびにアルミナ、およびアルミニウム水酸化物またはオキシ水酸化物から選択されたアルミニウム化合物、ならびに安定化元素の化合物を含む液体混合物を形成するステップ、
(b1)上記混合物を塩基と接触させ、これによって沈殿物を含む懸濁液を得るステップ、
(c1)このようにして得られた懸濁液を乾燥するステップ、および
(d1)このようにして得られた乾燥生成物を焼成するステップを含むことを特徴とする方法。 - 担体が、希土類、バリウム、およびストロンチウムから選択された安定化および/またはドーピング元素で安定化および/またはドープされたアルミナまたはアルミニウムオキシ水酸化物をベースとする、請求項2から8の一項に記載の組成物を調製する方法であって、以下の
(a2)担持酸化物、および適切な場合には元素Mの酸化物のコロイド分散体、ならびにアルミナ、およびアルミニウム水酸化物またはオキシ水酸化物から選択されたアルミニウム化合物を含む液体混合物を形成するステップ、
(b2)上記混合物を塩基と接触させ、これによって沈殿物を含む懸濁液を得るステップ、
(c2)このようにして得られた懸濁液に、安定化元素の化合物を添加するステップ、
(d2)前のステップで生じる懸濁液を乾燥するステップ、および
(e2)このようにして得られた乾燥生成物を焼成するステップを含むことを特徴とする方法。 - ステップ(b1)または(b2)で生じる懸濁液を、ステップ(c1)または(c2)の前に熟成操作に供することを特徴とする、請求項11または12に記載の方法。
- 請求項1から8の一項に記載の組成物を調製する方法であって、以下の
アルミナ、およびアルミニウム水酸化物またはオキシ水酸化物から選択されたアルミニウム化合物、ならびに少なくとも1種のジルコニウム塩、および適切な場合には元素Mの塩を含有する液体混合物を形成するステップ、
沈殿物が形成されるように、塩基を上記混合物と接触させるステップ、
このようにして得られた沈澱物を回収するステップ、および
前記沈殿物を焼成するステップを含むことを特徴とする方法。 - 塩基の添加後に得られた沈殿物を熟成操作に供することを特徴とする、請求項14に記載の方法。
- 請求項1から8の一項に記載の組成物を含むことを特徴とする、内燃機関における燃焼後の排ガスの処理用の触媒系。
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FR0801203A FR2928364B1 (fr) | 2008-03-05 | 2008-03-05 | Composition a base d'un oxyde de zirconium,d'un oxyde de titane ou d'un oxyde mixte de zirconium et de titane sur un support en alumine,procedes de preparation et utilisation comme catalyseur |
PCT/EP2009/052129 WO2009112356A1 (fr) | 2008-03-05 | 2009-02-23 | Composition a base d'un oxyde de zirconium, d'un oxyde de titane ou d'un oxyde mixte de zirconium et de titane sur un support en alumine ou en oxyhydroxyde d'aluminium, procedes de preparation et utilisation comme catalyseur |
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KR101214738B1 (ko) | 2012-12-21 |
CN101959801B (zh) | 2013-02-13 |
RU2476381C2 (ru) | 2013-02-27 |
KR20100120194A (ko) | 2010-11-12 |
US20110053763A1 (en) | 2011-03-03 |
WO2009112356A1 (fr) | 2009-09-17 |
CN101959801A (zh) | 2011-01-26 |
CA2716620A1 (fr) | 2009-09-17 |
FR2928364B1 (fr) | 2011-10-14 |
CA2716620C (fr) | 2017-07-25 |
PL2262736T3 (pl) | 2017-06-30 |
EP2262736B1 (fr) | 2016-11-09 |
EP2262736A1 (fr) | 2010-12-22 |
RU2010140616A (ru) | 2012-04-10 |
FR2928364A1 (fr) | 2009-09-11 |
JP2011513055A (ja) | 2011-04-28 |
US8623778B2 (en) | 2014-01-07 |
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