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    • 74. 发明专利
    • Titanium oxide particle for photocatalyst and method for producing the same
    • 用于光催化剂的氧化钛颗粒及其生产方法
    • JP2013095622A
    • 2013-05-20
    • JP2011237785
    • 2011-10-28
    • Shinshu Univ国立大学法人信州大学
    • MURAKAMI YASUSHIMATSUMOTO HIROTERUGOTSU YUSHISAKAI MASARU
    • C01G23/053B01J21/06B01J35/02
    • B01J21/063B01J27/24B01J35/002B01J35/004B01J35/1019B01J37/033B01J37/08C01G23/053C01P2002/54C01P2002/72C01P2002/85C01P2002/88C01P2006/12C01P2006/13C01P2006/14C01P2006/16
    • PROBLEM TO BE SOLVED: To provide titanium oxide particles having high photocatalytic activity, and a method for producing the same.SOLUTION: There are provided: titanium oxide particles for photocatalysts, each of which is formed of an anatase single phase and has a specific surface area of 170 m/g or more; and a method for producing the titanium oxide particles for photocatalysts. The method for producing the titanium oxide particles for photocatalysts comprises: a mixed solution preparation step (S100) in which a titanium alkoxide, an alcohol, water and one or more organic acids selected from among formic acid and acetic acid are mixed so as to prepare a mixed solution that contains the organic acids in an amount of 5 mass% or more relative to the total amount of the organic acids and water; a hydrolysis/crystallization step (S200) in which hydrolysis of the titanium alkoxide and crystallization of titanium oxide are carried out, while maintaining the mixed solution at a temperature within the range of 50-100°C; a separation/cleaning step (S300) in which a solid product contained in the solution after the hydrolysis/crystallization step is removed therefrom and cleaned; and a heating step (S400) in which the solid product is heated at a temperature within the range of 200-350°C.
    • 要解决的问题:提供具有高光催化活性的氧化钛颗粒及其制备方法。 解决方案:提供了:用于光催化剂的氧化钛颗粒,每个氧化钛颗粒由锐钛矿单相形成,并且具有170μm的比表面积,或者其比表面积为170m 2 / 更多; 以及光催化剂用氧化钛粒子的制造方法。 制备光催化剂用二氧化钛颗粒的方法包括:混合溶液制备步骤(S100),其中将钛醇盐,醇,水和选自甲酸和乙酸的一种或多种有机酸混合以制备 含有相对于有机酸和水的总量为5质量%以上的有机酸的混合溶液; 在其中进行钛醇盐的水解和氧化钛的结晶的水解/结晶步骤(S200),同时将混合溶液保持在50-100℃的温度范围内; 分离/清洗步骤(S300),其中除去水解/结晶步骤后的溶液中所含的固体产物并清洗; 和加热步骤(S400),其中将固体产物在200-350℃的范围内加热。 版权所有(C)2013,JPO&INPIT
    • 76. 发明专利
    • Dispersion liquid of photocatalyst particle and method of producing the same
    • 光催化剂颗粒的分散液及其生产方法
    • JP2013063442A
    • 2013-04-11
    • JP2013007318
    • 2013-01-18
    • Shin-Etsu Chemical Co Ltd信越化学工業株式会社
    • INOUE TOMOHIROFURUDATE MANABUEIKUCHI KICHIJI
    • B01J35/02B01J21/06B01J23/42B01J23/745B01J37/34
    • PROBLEM TO BE SOLVED: To provide a method capable of producing dispersion liquid having highly dispersed photocatalyst particles without using a dispersant.SOLUTION: This method for preparing the dispersion liquid wherein photocatalyst particles having ≤50 nm average particle size (D) measured by a dynamic light scattering method are dispersed in a dispersion medium by using a specific bead mill includes: a step (1) of rotating an agitation member at a first rotating speed (r1) to agitate a bead and a raw material dispersion liquid of pH 1.0-6.5 containing the photocatalyst particles, the dispersion medium and an acid substance and causing an average particle size (D) obtained in the dynamic light scattering method of the photocatalyst particles to be 250-350% of the particle size of primary particles of the photocatalyst particles; and then a step (2) of rotating the agitation member at a second rotating speed (r2) which is 50-90% of r1 to cause the average particle size of the photocatalyst particles to be 150-250% of the particle size of the primary particles.
    • 要解决的问题:提供一种能够在不使用分散剂的情况下制备具有高度分散的光催化剂颗粒的分散液的方法。 解决方案:这种制备分散液的方法,其中通过动态光散射法测量的具有≤50nm平均粒径(D 50S)的光催化剂颗粒分散在分散体 通过使用特定的珠磨机的介质包括:以第一旋转速度(r1)旋转搅拌部件以搅拌含有光催化剂颗粒的珠粒和原料分散液(pH1.0-6.5)的步骤(1),分散介质 和使物质在光催化剂粒子的动态光散射法中得到的平均粒径(D 50”)为一次粒子的粒径的250〜350% 的光催化剂颗粒; 然后以r1的50〜90%的第二转速(r2)旋转搅拌部件的步骤(2),使得光催化剂粒子的平均粒径为粒径的150〜250% 初级粒子。 版权所有(C)2013,JPO&INPIT
    • 78. 发明专利
    • Gas reforming method, gas reforming sheet, gas reforming piping
    • 气体重整方法,气体重整板,气体重整管道
    • JP2013034992A
    • 2013-02-21
    • JP2012197042
    • 2012-09-07
    • Satoo Techno:Kk有限会社サトーテクノ
    • SATO SHINYA
    • B01J23/44B01J19/00B01J21/06B01J37/34H01M8/04H01M8/06
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To effectively reform gas to enhance reaction efficiency of the gas.SOLUTION: In the gas reforming method, the gas is reformed by arranging a reforming surface obtained by coating ceramic particle with binder in the flowing path of the gas and passing the gas near the reforming surface. The ceramic particle is obtained by carrying out redox treatment of the mixture of rutile base titanium oxide particle a metal particle having high ionization tendency of a such degree to generate electrolyte by the redox treatment with the rutile base titanium oxide, electrolyzing the electrolyte generated by the redox treatment with solvent, and sintering the material deposited in a negative electrode.
    • 要解决的问题:有效地改造气体以提高气体的反应效率。 解决方案:在气体重整方法中,通过将通过在气体流动路径中涂覆陶瓷颗粒与粘合剂获得的重整表面并使重整表面附近的气体通过而将气体重整。 通过对金红石型二氧化钛粒子的混合物进行氧化还原处理,具有这种程度的高离子化倾向的金属颗粒,用金红石型基础氧化钛通过氧化还原处理产生电解质,电解由 用溶剂进行氧化还原处理,烧结沉积在负极中的材料。 版权所有(C)2013,JPO&INPIT