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    CERIA ZIRCONIA ALUMINA COMPOSITION WITH ENHANCED THERMAL STABILITY
    1.
    发明申请
    CERIA ZIRCONIA ALUMINA COMPOSITION WITH ENHANCED THERMAL STABILITY 有权
    CERIA ZIRCONIA氧化铝组合物具有增强的热稳定性

    公开(公告)号：US20140141967A1

    公开(公告)日：2014-05-22

    申请号：US14128067

    申请日：2012-06-12

    申请人： Karl Schermanz ,  Amod Sagar

    发明人： Karl Schermanz ,  Amod Sagar

    IPC分类号： B01J23/10

    CPC分类号： B01J23/10 ,  B01J35/1014 ,  B01J35/1019 ,  B01J37/0018 ,  B01J37/0203 ,  B01J37/03 ,  B01J2523/00 ,  C01G25/02 ,  C01P2002/52 ,  C01P2006/12 ,  C01P2006/13 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3725 ,  B01J2523/48

    摘要： A process for the preparation of a composition comprising Al-, Ce- and Zr-oxides, which process comprises the steps of (a) preparing an aqueous solution of a mixture of metal salts of cerium, zirconium and aluminium, which aqueous solution optionally comprises one or more salts of the Rare Earth Metals other than cerium, (b) adding to the solution obtained a base at temperatures from 0° C. to 95° C. and precipitating the mixed metal salts in the form of hydroxides or oxy-hydroxides, (d) treating the aqueous suspension obtained in step (b) with a surfactant, and (e) isolating the precipitate obtained in step (d) and treating said precipitate at a temperature from 450° C. to 1200° C., which process is characterized in that the alumina content is in the range from 35 to 80% by weight, and the surface area (BET) of the composition obtained, measured according to DIN (Deutsche Industrie Norm) 66131 after calcining for 2 hours at 1100° C. is from 55 to 80 m2/g; or is at least 35 m2/g after calcining for 20 hours at 1100° C.; and a composition comprising Al-, Ce- and Zr-oxides, characterized in that the aluminium content, calculated as aluminium oxide is in the range from 35 to 80% by weight, and the surface area (BET) of the composition measured according to DIN (Deutsche Industrie Norm) 66131 for 2 hours at 1100° C. is from 55 to 80 m2/g, and/or is at least 35 m2/g after calcining for 20 hours at 1100° C. obtainable or obtained according such process.

    摘要翻译： 一种制备包含Al-，Ce-和Zr-氧化物的组合物的方法，该方法包括以下步骤：（a）制备铈，锆和铝的金属盐的混合物的水溶液，该水溶液任选地包含 一种或多种除铈以外的稀土金属盐，（b）在0℃至95℃的温度下，向所得溶液中加入碱，并将氢氧化物或氧化氢氧化物形式的混合金属盐沉淀 ，（d）用表面活性剂处理步骤（b）中获得的水性悬浮液，和（e）分离步骤（d）中获得的沉淀物并在450℃至1200℃的温度下处理所述沉淀物，其中 方法的特征在于，氧化铝含量在35至80重量％的范围内，所得组合物的表面积（BET）根据DIN（德国工业标准）66131在1100℃下煅烧2小时后测量 C.为55至80平方米/克; 或在1100℃煅烧20小时后至少为35m 2 / g。 以及包含Al-，Ce-和Zr-氧化物的组合物，其特征在于铝氧化物计算的铝含量在35至80重量％的范围内，并且组合物的表面积（BET）根据 DIN（德国工业标准）66131在1100℃下2小时为55至80m 2 / g，和/或在1100℃煅烧20小时后为至少35m 2 / g，可根据这种方法获得或获得 。

    Ceria zirconia alumina composition with enhanced thermal stability
    2.
    发明授权
    Ceria zirconia alumina composition with enhanced thermal stability 有权
    二氧化铈氧化锆氧化铝组合物具有增强的热稳定性

    公开(公告)号：US09475035B2

    公开(公告)日：2016-10-25

    申请号：US14128067

    申请日：2012-06-12

    申请人： Karl Schermanz ,  Amod Sagar

    发明人： Karl Schermanz ,  Amod Sagar

    IPC分类号： B01J23/10 ,  B01J37/00 ,  B01J37/03 ,  C01G25/02 ,  B01J35/10 ,  B01J37/02

    CPC分类号： B01J23/10 ,  B01J35/1014 ,  B01J35/1019 ,  B01J37/0018 ,  B01J37/0203 ,  B01J37/03 ,  B01J2523/00 ,  C01G25/02 ,  C01P2002/52 ,  C01P2006/12 ,  C01P2006/13 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3725 ,  B01J2523/48

    摘要： A process for the preparation of a composition comprising Al—, Ce— and Zr-oxides, which process comprises the steps of (a) preparing an aqueous solution of a mixture of metal salts of cerium, zirconium and aluminium, which aqueous solution optionally comprises one or more salts of the Rare Earth Metals other than cerium, (b) adding to the solution obtained a base at temperatures from 0° C. to 95° C. and precipitating the mixed metal salts in the form of hydroxides or oxy-hydroxides, (d) treating the aqueous suspension obtained in step (b) with a surfactant, and (e) isolating the precipitate obtained in step (d) and treating said precipitate at a temperature from 450° C. to 1200° C., which process is characterized in that the alumina content is in the range from 35 to 80% by weight, and the surface area (BET) of the composition obtained, measured according to DIN (Deutsche Industrie Norm) 66131 after calcining for 2 hours at 1100° C. is from 55 to 80 m2/g; or is at least 35 m2/g after calcining for 20 hours at 1100° C.; and a composition comprising Al—, Ce— and Zr-oxides, characterized in that the aluminium content, calculated as aluminium oxide is in the range from 35 to 80% by weight, and the surface area (BET) of the composition measured according to DIN (Deutsche Industrie Norm) 66131 for 2 hours at 1100° C. is from 55 to 80 m2/g, and/or is at least 35 m2/g after calcining for 20 hours at 1100° C. obtainable or obtained according such process.

    摘要翻译： 一种制备包含Al-，Ce-和Zr-氧化物的组合物的方法，该方法包括以下步骤：（a）制备铈，锆和铝的金属盐的混合物的水溶液，该水溶液任选地包含 一种或多种除铈以外的稀土金属盐，（b）在0℃至95℃的温度下，向所得溶液中加入碱，并将氢氧化物或氧化氢氧化物形式的混合金属盐沉淀 ，（d）用表面活性剂处理步骤（b）中获得的水性悬浮液，和（e）分离步骤（d）中获得的沉淀物并在450℃至1200℃的温度下处理所述沉淀物，其中 方法的特征在于，氧化铝含量在35至80重量％的范围内，所得组合物的表面积（BET）根据DIN（德国工业标准）66131在1100℃下煅烧2小时后测量 C.为55至80平方米/克; 或在1100℃煅烧20小时后至少为35m 2 / g。 以及包含Al-，Ce-和Zr-氧化物的组合物，其特征在于铝氧化物计算的铝含量在35至80重量％的范围内，并且组合物的表面积（BET）根据 DIN（德国工业标准）66131在1100℃下2小时为55至80m 2 / g，和/或在1100℃煅烧20小时后为至少35m 2 / g，可根据这种方法获得或获得 。