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    • 10. 发明公开
    • COPPER-SUPPORTED ZEOLITE AND EXHAUST-GAS PURIFICATION TREATMENT CATALYST CONTAINING SAID ZEOLITE
    • 铜支撑沸石和废气净化处理催化剂含所述沸石
    • EP3318533A1
    • 2018-05-09
    • EP16817853.1
    • 2016-06-27
    • MITSUBISHI CHEMICAL CORPORATION
    • HOTTA, YuusukeTAKEWAKI, TakahikoMATSUO, TakeshiKIYONO, Kenichi
    • C01B39/54B01D53/94F01N3/10
    • B01J29/763B01D53/94B01D53/9418B01D2255/50B01J35/0006B01J35/0026B01J35/1023C01B39/54F01N3/10Y02T10/24
    • Provided is a copper-supported SAPO having good performance as a catalyst and an adsorbent and having not only good high-temperature water-vapor durability, which is usually provided to silicoaluminophosphate zeolites (SAPO), but also good low-temperature water-vapor durability. A copper-supported zeolite comprising a zeolite having a framework structure that contains at least silicon atoms, phosphorus atoms, and aluminum atoms, and copper supported on the zeolite, wherein the copper-supported zeolite satisfies (1) to (3) below: (1) an amount of copper (in terms of copper atoms) supported on the copper-supported zeolite is 1.5% by weight or more and 3.5% by weight or less, (2) the copper-supported zeolite has an UV-Vis-NIR absorption intensity ratio of less than 0.35 as determined by a formula (I) below: Intensisty (22,000 cm -1 )/Intensity (12,500 cm -1 ) ... (I), and (3) a silicon atom content of the copper-supported zeolite satisfies a formula (II) below: 0.07 ≤ x ≤ 0.11 ... (II) where x represents a ratio of the number of moles of the silicon atoms to the total number of moles of the silicon atoms, the aluminum atoms, and the phosphorus atoms contained in the framework structure of the copper-supported zeolite.
    • 本发明提供一种作为催化剂和吸附剂的具有良好性能的铜负载SAPO,其不仅具有通常提供给硅铝磷酸盐沸石(SAPO)的良好的高温水蒸气耐久性,而且具有良好的低温水蒸气耐久性 。 一种铜支撑沸石,其特征在于,含有具有至少含有硅原子,磷原子和铝原子的骨架结构的沸石和担载在该沸石上的铜,其中,该铜担载沸石满足下述(1)〜(3):( 1)铜担载沸石上负载的铜量(换算成铜原子)为1.5重量%以上3.5重量%以下,(2)铜担载沸石具有UV-Vis-NIR (I)确定的吸收强度比小于0.35:强度(22,000cm -1)/强度(12,500cm -1)...(I),和(3)铜的硅原子含量 (II)满足下式(II):0.07≤x≤0.11...(II)其中x表示硅原子的摩尔数与硅原子的总摩尔数之比,铝原子 以及含铜沸石的骨架结构中所含的磷原子。