JP5306180B2 - ケイ素−チタン混合酸化物粉末、それらの分散液およびそれらから製造されるチタン含有ゼオライト - Google Patents
ケイ素−チタン混合酸化物粉末、それらの分散液およびそれらから製造されるチタン含有ゼオライト Download PDFInfo
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- JP5306180B2 JP5306180B2 JP2009505814A JP2009505814A JP5306180B2 JP 5306180 B2 JP5306180 B2 JP 5306180B2 JP 2009505814 A JP2009505814 A JP 2009505814A JP 2009505814 A JP2009505814 A JP 2009505814A JP 5306180 B2 JP5306180 B2 JP 5306180B2
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- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 title claims description 49
- 239000006185 dispersion Substances 0.000 title claims description 39
- 239000000843 powder Substances 0.000 title claims description 39
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 31
- 239000010936 titanium Substances 0.000 title claims description 31
- 229910052719 titanium Inorganic materials 0.000 title claims description 31
- 239000010457 zeolite Substances 0.000 title claims description 23
- 229910021536 Zeolite Inorganic materials 0.000 title description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- 229910001868 water Inorganic materials 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000004408 titanium dioxide Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 150000003868 ammonium compounds Chemical class 0.000 claims description 9
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000008346 aqueous phase Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- -1 silicon halide Chemical class 0.000 description 5
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000001698 pyrogenic effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 3
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 3
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 3
- 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 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006735 epoxidation reaction Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000005049 silicon tetrachloride Substances 0.000 description 2
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- WNEYXFDRCSFJCU-UHFFFAOYSA-N propan-1-amine;hydrate Chemical compound [OH-].CCC[NH3+] WNEYXFDRCSFJCU-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 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
- 238000010561 standard procedure Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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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
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
- C01B37/005—Silicates, i.e. so-called metallosilicalites or metallozeosilites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/06—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis
- C01B39/08—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis the aluminium atoms being wholly replaced
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/06—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis
- C01B39/08—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis the aluminium atoms being wholly replaced
- C01B39/085—Group IVB- metallosilicates
-
- 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
- C07D301/12—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Silicon Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Description
200〜400m2/gのBET比表面積、
含有率97.0±1.5質量%の二酸化ケイ素、
含有率3.5±1.0質量%の二酸化チタンを有し、且つ
二酸化ケイ素含有率と二酸化チタン含有率との合計が99.7質量%より多い熱分解法ケイ素−チタン混合酸化物粉末に関する。
SiO2として計算した97.0±1.5質量部の塩化ケイ素およびTiO2として計算した3.5±1.0質量部の塩化チタンを気化し、前記蒸気を混合チャンバーに取り込み、水素および一次空気をそれらから別々に混合チャンバー内に取り込み、
塩化ケイ素および塩化チタンの混合蒸気、水素含有可燃性ガスおよび一次空気を、その後、バーナー内で点火し、前記火炎を反応チャンバー内で燃焼させ、
二次空気をさらに反応チャンバー内に導入し、その後、ガス状物質から固体を分離し、そして
前記固体をその後、250〜700℃の温度での蒸気処理によって、ハライド含有物質を可能な限り除き、
塩化ケイ素、塩化チタン、可燃性ガス、一次空気および二次空気から成る必要物質の量を、断熱火炎温度Tadで下記が成り立つように選択する:
900℃<Tad<1200℃、
ここで、Tadは、必要物質の温度+部分的反応の反応エンタルピーの合計/ケイ素−チタン混合酸化物、水、塩化水素、必要であれば二酸化炭素、酸素、窒素、および、もしそれが空気あるいは窒素でなければ必要なキャリアガスを含む、反応チャンバーを離れる物質の熱容量であり、これらの物質の1000℃での比熱容量を基礎として用いる。
水を受容器からローター/ステーター機によって再循環させ、その水は、後から導入されるケイ素−チタン混合酸化物粉末が水相でのpH値を2より下あるいは4より上に至らしめる場合に、酸あるいは塩基の添加によってpH値を2〜4に調整し、そして
充填装置によって、本発明によるケイ素−チタン混合酸化物粉末を、連続的あるいは回分式に、ローターの歯の溝とステーターの溝との間の剪断領域に、ローター/ステーター機を稼働しながら、20〜40質量%の固体含有率を有する前分散液となる量で導入し、そして
全てのケイ素−チタン混合酸化物粉末を添加した後、充填装置を閉じ、前記の前分散液を、10000〜40000S-1の間の範囲の剪断速度でさらに剪断し、そして
その分散の条件を保持しながら、次いで、もし必要であれば水、および塩基性第四級アンモニウム化合物を添加する工程を含む。
必要材料:実施例1〜5の必要材料の四塩化ケイ素および四塩化チタンは、50ppm未満のNa、K、Fe、Co、Ni、Al、CaおよびZn含有率を有している。
実施例1:5.15kg/hの四塩化ケイ素および0.15kg/hの四塩化チタンを気化する。蒸気を、キャリアガスとしての15Nm3/hの窒素によって混合チャンバーの中に取り込む。これとは別に、2Nm3/hの水素および8Nm3/hの一次空気を混合チャンバー内に導入する。中央の筒内で、反応混合物をバーナーに導き入れて点火する。ここで、その火炎は水冷された内筒内で燃焼する。さらに、15Nm3/hの二次空気を反応室に導入する。生成された粉末を、直列に接続されているフィルター内で分離し、その後、向流の水蒸気によって520℃で処理する。
32.5kgの完全脱塩水を最初に100lのステンレス鋼製容器に導入する。続いて、Ystral Conti−TDS 4(ステーター溝:6mmリングおよび1mmリング、ローター/ステーター距離約1mm)の吸い込みノズルを用いて、17.5kgの実施例1によるケイ素−チタン混合酸化物粉末を剪断条件のもとで吸い込む。吸い込み完了後、吸い込みノズルを閉じ、続いて35質量パーセントの前分散液をさらに10分間3000rpmで剪断する。高エネルギー入力による、分散液の望ましくない加温は、熱交換器によって相殺し、温度上昇を最大40℃に制限する。熱分解法で製造したケイ素−チタン混合酸化物粉末の、酸性の特性のために、分散液のpHは約3.6である。
水/ケイ素−チタン混合酸化物 11.7
平均凝集直径 92nm(Horiba LA910で測定)。
137.0gのテトラ−n−プロピルアンモニウム水酸化物溶液(水中で40%)および434.2gの脱イオン水を最初にポリプロピレンビーカー内に導入し、111.1gの実施例1による熱分解法ケイ素−チタン混合酸化物粉末を、激しく攪拌しながら混合する。得られるゲルを激しく攪拌しながら最初に80℃で2時間ねかせ、続いて高圧釜内で、180℃で10時間、結晶化させる。得られる固体を遠心分離によって母液から分離し、250mlずつの脱イオン水で3回洗浄し、90℃で乾燥させ、550℃で4時間、大気雰囲気中で焼成する。
水/ケイ素−チタン混合酸化物 13.1
テトラプロピルアンモニウム水酸化物/ケイ素−チタン混合酸化物 0.15
実施例6による505gの分散液、46.7gの脱イオンH2Oおよび130.6gのテトラ−n−プロピルアンモニウム水酸化物溶液(水中で40質量%)を最初にポリプロピレンビーカー内に導入し、撹拌しながら最初に80℃で4時間ねかせ、続いて高圧釜内で、180℃で10時間、結晶化させる。得られる固体を遠心分離によって母液から分離し、250mlずつの脱イオン水で3回洗浄し、90℃で乾燥させ、550℃で4時間、大気雰囲気中で焼成する。
水/ケイ素−チタン混合酸化物 13.2
テトラプロピルアンモニウム水酸化物/ケイ素−チタン混合酸化物 0.14
Claims (6)
- BET比表面積が200〜400m 2 /gであり、二酸化ケイ素含有率が97.0±1.5質量%であり、二酸化チタン含有率が3.5±1.0質量%であり、二酸化ケイ素含有率と二酸化チタンの含有率との合計が99.7質量%よりも大きい熱分解法ケイ素−チタン混合酸化物粉末および水を含む分散液であって、分散液中のケイ素−チタン混合酸化物粒子の平均凝集直径が200nm未満である、チタン含有ゼオライトの製造のための分散液。
- 10≦水/ケイ素−チタン混合酸化物のモル比≦20が成り立つことを特徴とする、請求項1に記載の分散液。
- 追加的に塩基性第四級アンモニウム化合物を含むことを特徴とする、請求項1または2に記載の分散液。
- pHが9〜11であることを特徴とする、請求項3に記載の分散液。
- 0.12≦アンモニウム化合物/ケイ素−チタン混合酸化物のモル比<0.20が成り立つことを特徴とする、請求項4に記載の分散液。
- 水を受容器からローター/ステーター機によって再循環させ、その水は、後から導入されるケイ素−チタン混合酸化物粉末が水相でのpH値を2より下あるいは4より上に至らしめる場合に、酸あるいは塩基の添加によってpH値を2〜4に調整し、そして
充填装置によって、BET比表面積200〜400m2/gを有するケイ素−チタン混合酸化物粉末を、連続的あるいは回分式に、ローターの歯の溝とステーターの溝との間の剪断領域に、ローター/ステーター機を稼働しながら、20〜40質量%の固体含有率を有する前分散液となる量で導入し、そして
全てのケイ素−チタン混合酸化物粉末を添加した後、充填装置を閉じ、前記の前分散液を、10000〜40000s-1の間の範囲の剪断速度でさらに剪断し、そして
その分散の条件を保持しながら、次いで、もし必要であれば水、および塩基性第四級アンモニウム化合物を添加する
工程を含む、請求項1から5までのいずれか1項に記載の分散液の製造方法。
Applications Claiming Priority (3)
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DE102006017701.0 | 2006-04-15 | ||
DE102006017701A DE102006017701A1 (de) | 2006-04-15 | 2006-04-15 | Silicium-Titan-Mischoxidpulver, Dispersion hiervon und daraus hergestellter titanhaltiger Zeolith |
PCT/EP2007/052284 WO2007118739A1 (en) | 2006-04-15 | 2007-03-12 | Silicon-titanium mixed oxide powder, dispersion thereof and titanium-containing zeolite prepared therefrom |
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JP2009533313A JP2009533313A (ja) | 2009-09-17 |
JP5306180B2 true JP5306180B2 (ja) | 2013-10-02 |
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JP2009505814A Expired - Fee Related JP5306180B2 (ja) | 2006-04-15 | 2007-03-12 | ケイ素−チタン混合酸化物粉末、それらの分散液およびそれらから製造されるチタン含有ゼオライト |
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US (1) | US20090131694A1 (ja) |
EP (2) | EP2007678B1 (ja) |
JP (1) | JP5306180B2 (ja) |
KR (1) | KR101080523B1 (ja) |
CN (1) | CN101054185B (ja) |
BR (1) | BRPI0710278A2 (ja) |
DE (1) | DE102006017701A1 (ja) |
RU (1) | RU2415081C2 (ja) |
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-
2006
- 2006-04-15 DE DE102006017701A patent/DE102006017701A1/de not_active Withdrawn
-
2007
- 2007-03-12 EP EP07712508.6A patent/EP2007678B1/en not_active Not-in-force
- 2007-03-12 JP JP2009505814A patent/JP5306180B2/ja not_active Expired - Fee Related
- 2007-03-12 KR KR1020087025035A patent/KR101080523B1/ko active IP Right Grant
- 2007-03-12 US US12/294,565 patent/US20090131694A1/en not_active Abandoned
- 2007-03-12 EP EP13155806.6A patent/EP2610219B1/en not_active Not-in-force
- 2007-03-12 BR BRPI0710278-0A patent/BRPI0710278A2/pt not_active IP Right Cessation
- 2007-03-12 RU RU2008144800/05A patent/RU2415081C2/ru not_active IP Right Cessation
- 2007-03-12 WO PCT/EP2007/052284 patent/WO2007118739A1/en active Application Filing
- 2007-04-04 CN CN2007100920691A patent/CN101054185B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US20090131694A1 (en) | 2009-05-21 |
RU2415081C2 (ru) | 2011-03-27 |
EP2007678A1 (en) | 2008-12-31 |
JP2009533313A (ja) | 2009-09-17 |
EP2610219B1 (en) | 2017-10-11 |
KR101080523B1 (ko) | 2011-11-04 |
EP2610219A3 (en) | 2014-01-08 |
CN101054185B (zh) | 2012-02-29 |
EP2007678B1 (en) | 2013-05-08 |
EP2610219A2 (en) | 2013-07-03 |
CN101054185A (zh) | 2007-10-17 |
DE102006017701A1 (de) | 2007-10-25 |
BRPI0710278A2 (pt) | 2011-08-09 |
KR20080102313A (ko) | 2008-11-24 |
RU2008144800A (ru) | 2010-05-27 |
WO2007118739A1 (en) | 2007-10-25 |
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