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High-throughput preparation and testing of ion-exchanged zeolites

机译：离子交换沸石的高通量制备和测试

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摘要

A high-throughput research platform was developed for the preparation and subsequent catalytic liquid-phase screening of ion-exchanged zeolites, for instance with regard to their use as heterogeneous catalysts. In this system aqueous solutions and other liquid as well as solid reagents are employed as starting materials and 24 samples are prepared on a library plate with a 4 × 6 layout. Volumetric dispensing of metal precursor solutions, weighing of zeolite and subsequent mixing/washing cycles of the starting materials and distributing reaction mixtures to the library plate are automatically performed by liquid and solid handlers controlled by a single common and easy-to-use programming software interface. The thus prepared materials are automatically contacted with reagent solutions, heated, stirred and sampled continuously using a modified liquid handling. The high-throughput platform is highly promising in enhancing synthesis of catalysts and their screening. In this paper the preparation of lanthanum-exchanged NaY zeolites (LaNaY) on the platform is reported, along with their use as catalyst for the conversion of renewables.
机译：开发了一个高通量的研究平台，用于离子交换沸石的制备和随后的催化液相筛选，例如，将其用作非均相催化剂。在该系统中，将水溶液和其他液体以及固体试剂用作起始原料，并在具有4×6布局的库板上制备24个样品。金属前体溶液的体积分配，沸石的称重以及随后的原料混合/洗涤循环以及将反应混合物分配到库板上的操作，都由液体和固体处理器自动执行，该处理器由一个通用且易于使用的编程软件界面控制。将如此制备的材料与试剂溶液自动接触，使用改进的液体处理方法对其进行连续加热，搅拌和取样。高通量平台在增强催化剂的合成及其筛选方面非常有前途。本文报道了在平台上制备镧交换的NaY沸石（LaNaY）以及它们用作可再生能源转化催化剂的用途。

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  • 来源
    《Applied Surface Science》 |2007年第3期|699-703|共5页
  • 作者

    K.P.F. Janssen; J.S. Paul; B.F. Sels; P.A. Jacobs;

  • 作者单位

    Microbial and Molecular Systems, Katholieke Universileit Leuven, Kasteelpark Arenberg 23, B-3001 Heverlee, Belgium;

    Flanders Materials Centre (Flamac), Technologiepark 903, B-9052 Zwijnaarde, Belgium;

    Microbial and Molecular Systems, Katholieke Universileit Leuven, Kasteelpark Arenberg 23, B-3001 Heverlee, Belgium;

    Microbial and Molecular Systems, Katholieke Universileit Leuven, Kasteelpark Arenberg 23, B-3001 Heverlee, Belgium;

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  • 正文语种 eng
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  • 关键词

    high-throughput; zeolite Y; ion exchange; catalysis; renewables;

    机译：高通量沸石Y;离子交换;催化;可再生能源;

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