JP2014515720A - ケイ素−アルミニウム混合酸化物粉末 - Google Patents
ケイ素−アルミニウム混合酸化物粉末 Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 51
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 25
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 23
- 239000011164 primary particle Substances 0.000 claims abstract description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- -1 aluminum compound Chemical class 0.000 claims abstract description 9
- 239000000567 combustion gas Substances 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 5
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical class CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 7
- 150000003377 silicon compounds Chemical class 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- YAIQCYZCSGLAAN-UHFFFAOYSA-N [Si+4].[O-2].[Al+3] Chemical compound [Si+4].[O-2].[Al+3] YAIQCYZCSGLAAN-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 11
- 239000003570 air Substances 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 9
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- NUMQCACRALPSHD-UHFFFAOYSA-N tert-butyl ethyl ether Chemical compound CCOC(C)(C)C NUMQCACRALPSHD-UHFFFAOYSA-N 0.000 description 4
- 150000003509 tertiary alcohols Chemical group 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000010421 standard material Substances 0.000 description 2
- XNDZQQSKSQTQQD-UHFFFAOYSA-N 3-methylcyclohex-2-en-1-ol Chemical compound CC1=CC(O)CCC1 XNDZQQSKSQTQQD-UHFFFAOYSA-N 0.000 description 1
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910002800 Si–O–Al Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
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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
- B01J21/12—Silica and alumina
-
- 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
- B01J21/08—Silica
-
- 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
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
- B01J12/02—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor for obtaining at least one reaction product which, at normal temperature, is in the solid 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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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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
- 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
- B01J35/615—100-500 m2/g
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
i.不所望の副生成物、例えばジメチルエーテルまたは生成物オレフィンのオリゴマーが形成される、
ii.前記触媒の耐用期間が少ない、
iii.活性損失を調整するために反応温度を上げると副生成物の形成が増加する、
iv.前記触媒の製造が高価で費用がかさむ。
a.一次粒子全体における質量比(Al2O3/SiO2)ttlが、0.002〜0.05、好ましくは0.003〜0.015、特に好ましくは0.005〜0.01であり、
b.厚さ約5nmの表面に近い層内の一次粒子の質量比(Al2O3/SiO2)表面が、一次粒子全体におけるよりも小さく、および
c.BET表面積が50〜250m2/g、好ましくは100〜200m2/gである、
前記混合酸化物粉末により解決されることが驚くべきことに判明した。
a)CH3SiCl3、(CH3)2SiCl2、(CH3)3SiClおよび(n−C3H7)SiCl3からなる群から選択される1つまたは複数のケイ素化合物を含んでいる蒸気、ならびに加水分解可能およびは酸化可能のアルミニウム化合物の蒸気を、別個または一緒に、キャリアガスを用いて混合室に移し、ここで、アルミニウム化合物(Al2O3として算出)のケイ素化合物(SiO2として算出)に対する質量比は0.003〜0.05であり、
b)それとは別に、少なくとも1つの燃焼ガスおよび空気を前記混合室に移し、ここで、空気中の酸素の総量は、燃焼ガスならびにケイ素化合物およびアルミニウム化合物を完全に燃焼させるために少なくとも充分であり、
c)前記ケイ素化合物およびアルミニウム化合物の蒸気、燃焼ガスおよび空気からの混合物を燃焼装置内で点火して、この火炎を反応室内に入れて燃焼させ、
d)引き続き前記固体をガス状物質から分離し、その後この固体を水蒸気で処理する、
前記方法である。
例1:本発明によるケイ素−アルミニウム混合酸化物粉末の製造
CH3SiCl3 45kg/hとSiCl4 15kg/hとからなる混合物の蒸気、および塩化アルミニウム0.6kg/hの蒸気を互いに別個に、キャリアガスとして窒素を用いて混合室に移す。これらの蒸気を、水素14.6Nm3/hおよび乾燥した空気129Nm3/hと燃焼装置の混合室内で混合して、この反応混合物が末端部で点火される中心管を介して水冷却した炎管に供給し、そこで燃焼させる。生じた粉末を引き続きフィルター内で析出して、400〜700℃の水蒸気で処理する。前記粉末は、二酸化ケイ素99質量%および酸化アルミニウム1質量%を含んでいる。BET表面積は173m2/gである。DBP数は326g/酸化混合物100gである。
Claims (6)
- 大部分またはすべてが、凝集一次粒子の形状で存在するケイ素−アルミニウム混合酸化物粉末であって、
a.一次粒子全体における質量比(Al2O3/SiO2)ttlが0.003〜0.05であり、
b.厚さ約5nmの表面に近い層内の一次粒子の質量比(Al2O3/SiO2)表面が、一次粒子全体におけるよりも小さく、および
c.BET表面積が50〜250m2/gである、
ことを特徴とする前記混合酸化物粉末。 - (Al2O3/SiO2)ttl/(Al2O3/SiO2)表面が、1.3〜20であることを特徴とする、請求項1に記載のケイ素−アルミニウム混合酸化物粉末。
- ジブチルフタレートg/混合酸化物100gで表されるジブチルフタレート数が、300〜350であることを特徴とする、請求項1または2に記載のケイ素−アルミニウム混合酸化物粉末。
- 前記ケイ素−アルミニウム混合酸化物粉末の製造方法において、
a)CH3SiCl3、(CH3)2SiCl2、(CH3)3SiClおよび(n−C3H7)SiCl3からなる群から選択される1つまたは複数のケイ素化合物を含んでいる蒸気、ならびに加水分解可能および/または酸化可能のアルミニウム化合物の蒸気を、別個または一緒に、キャリアガスを用いて混合室に移し、ここで、Al2O3として算出されるアルミニウム化合物の、SiO2として算出されるケイ素化合物に対する質量比は、0.003〜0.05であり、
b)前記とは別に、少なくとも1つの燃焼ガスおよび空気を前記混合室に移し、ここで、空気中の酸素の総量は、燃焼ガスならびにケイ素化合物およびアルミニウム化合物を完全に燃焼させるために少なくとも充分であり、
c)前記ケイ素化合物およびアルミニウム化合物の蒸気、燃焼ガスおよび空気からの混合物を燃焼装置内で点火して、該火炎を反応室内に入れて燃焼させ、
d)引き続き前記固体をガス状物質から分離し、その後該固体を水蒸気で処理する、
ことを特徴とする請求項1から3までのいずれか1項に記載の前記方法。 - 前記ケイ素化合物の蒸気が、SiCl4を40質量%まで含んでいることを特徴とする、請求項4に記載の方法。
- 請求項1から3までのいずれか1項に記載のケイ素−アルミニウム酸化混合物粉末の触媒としての使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11158474.4 | 2011-03-16 | ||
EP11158474.4A EP2500090B1 (de) | 2011-03-16 | 2011-03-16 | Silicium-Aluminium-Mischoxidpulver |
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JP5910598B2 (ja) * | 2013-10-07 | 2016-04-27 | トヨタ自動車株式会社 | 燃料電池を搭載する移動体 |
ES2897751T3 (es) | 2015-07-10 | 2022-03-02 | Evonik Degussa Gmbh | Dispersión que contiene SiO2 con alta estabilidad en sales |
CN107922199B (zh) | 2015-07-10 | 2021-12-07 | 赢创运营有限公司 | 具有高盐稳定性的含SiO2的分散体 |
US10920084B2 (en) | 2015-07-10 | 2021-02-16 | Evonik Operations Gmbh | Metal oxide-containing dispersion with high salt stability |
EP3368633B1 (en) | 2015-10-26 | 2020-05-27 | Evonik Operations GmbH | Method of obtaining mineral oil using a silica fluid |
CN106345513B (zh) * | 2016-07-28 | 2018-10-26 | 青岛经济技术开发区润乾高新材料研究所 | 一种硅铝介孔材料及其制备方法和应用 |
CA3157752C (en) | 2019-11-14 | 2024-02-27 | Evonik Operations Gmbh | Process for heterogeneous isomerization of alpha-olefins |
CN112028097B (zh) * | 2020-08-19 | 2023-10-17 | 南通江山农药化工股份有限公司 | 一种制备纳米氧化铝-二氧化硅复合粉体的方法及其制品 |
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DE102009027404A1 (de) | 2009-07-01 | 2011-01-05 | Evonik Oxeno Gmbh | Herstellung von Isobuten durch Spaltung von MTBE |
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JPS59146925A (ja) * | 1983-02-09 | 1984-08-23 | Toa Nenryo Kogyo Kk | 新規な結晶性アルミノ珪酸塩及びその製造方法、並びに、それを使用した有機原料の転化方法 |
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US20130303361A1 (en) | 2013-11-14 |
CN103370129B (zh) | 2015-03-18 |
CN103370129A (zh) | 2013-10-23 |
JP5808438B2 (ja) | 2015-11-10 |
KR101569601B1 (ko) | 2015-11-16 |
KR20140043888A (ko) | 2014-04-11 |
EP2500090A1 (de) | 2012-09-19 |
EP2500090B1 (de) | 2016-07-13 |
US8980784B2 (en) | 2015-03-17 |
WO2012123185A1 (de) | 2012-09-20 |
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