Production of metal nanoparticles
    1.
    发明授权
    Production of metal nanoparticles 有权
    生产金属纳米粒子

    公开(公告)号:US08597397B2

    公开(公告)日:2013-12-03

    申请号:US12829934

    申请日:2010-07-02

    IPC分类号: B22F9/24 B82Y40/00

    摘要: Processes for the production of metal nanoparticles. In one aspect, the invention is to a process comprising the steps of mixing a heated first solution comprising a base and/or a reducing agent (e.g., a non-polyol reducing agent), a polyol, and a polymer of vinyl pyrrolidone with a second solution comprising a metal precursor that is capable of being reduced to a metal by the polyol. In another aspect, the invention is to a process that includes the steps of heating a powder of a polymer of vinyl pyrrolidone; forming a first solution comprising the powder and a polyol; and mixing the first solution with a second solution comprising a metal precursor capable of being reduced to a metal by the polyol.

    摘要翻译: 制备金属纳米粒子的方法。 一方面,本发明涉及一种方法,包括以下步骤:将包含碱和/或还原剂(例如非多元醇还原剂)的加热的第一溶液,多元醇和乙烯基吡咯烷酮的聚合物与 第二溶液包含能够被多元醇还原成金属的金属前体。 另一方面,本发明涉及一种方法,其包括加热乙烯基吡咯烷酮聚合物粉末的步骤; 形成包含所述粉末和多元醇的第一溶液; 并将第一溶液与包含能够被多元醇还原成金属的金属前体的第二溶液混合。

    Oxygenate to olefin manufacture and recovery process
    2.
    发明授权
    Oxygenate to olefin manufacture and recovery process 有权
    氧化烯与烯烃的制备和回收过程

    公开(公告)号:US07879920B2

    公开(公告)日:2011-02-01

    申请号:US11097809

    申请日:2005-04-01

    IPC分类号: C07C27/26

    CPC分类号: C07C1/20 C07C11/02

    摘要: This invention is directed to methods for forming an olefin stream from a methanol stream. A lower grade methanol, such as chemical grade or crude methanol, can be used as feed to form the olefin stream. The process uses a relatively simple distillation type step to vaporize a portion of the methanol feed stream and send the resulting vapor stream to a reaction unit to form the olefin stream. In addition, the invention provides the ability to operate the downstream recovery units with reduced fouling or plugging due to the presence of fine solids components.

    摘要翻译: 本发明涉及从甲醇流形成烯烃流的方法。 低级甲醇如化学级或粗甲醇可用作进料以形成烯烃流。 该方法使用相对简单的蒸馏步骤来蒸发一部分甲醇进料流并将所得蒸气流送至反应单元以形成烯烃流。 此外,本发明提供了由于存在细固体组分而使下游回收单元具有减少的结垢或堵塞的能力。