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    Separation and reaction method utilizing an oxygen ion transport element
    8.
    发明授权
    Separation and reaction method utilizing an oxygen ion transport element 有权
    使用氧离子传输元件的分离和反应方法

    公开(公告)号：US07279025B2

    公开(公告)日：2007-10-09

    申请号：US11017041

    申请日：2004-12-21

    申请人： Prasad S. Apte ,  Joseph M. Schwartz ,  James E. White

    发明人： Prasad S. Apte ,  Joseph M. Schwartz ,  James E. White

    IPC分类号： B01D53/22

    CPC分类号： B01D69/10 ,  B01D53/228 ,  B01D53/32 ,  B01D69/02 ,  B01D69/12 ,  B01D71/024 ,  B01D2325/02 ,  C01B13/0262 ,  C01B2210/0046

    摘要： A method of separating oxygen from an oxygen containing feed and reacting the oxygen with a reactive substance and an oxygen ion transport membrane element utilized for such purposes. The oxygen ion transport membrane element has a self-supporting dense layer and a surface porous feature in contact with and supported by the dense layer. The porous surface feature may be a layer, a layer having discontinuities or a series of repeating geometrical forms. The dense layer and the porous surface feature are capable of conducting oxygen ions and electrons. The porous surface feature at least in part forms the anode side of the oxygen ion transport membrane element at which the reactive substance reacts with the separated oxygen and has a thickness less than that of the dense layer and a greater surface area than that of a surface of the dense layer adjoining the porous layer. Pores within the porous surface feature have a pore aspect ratio of pore size to pore length of between about 0.1 and about 5.

    摘要翻译： 从含氧进料中分离氧气并使氧气与用于此目的的反应物质和氧离子迁移膜元件分离的方法。 氧离子迁移膜元件具有自支承致密层和与致密层接触并由其支撑的表面多孔特征。 多孔表面特征可以是层，具有不连续的层或一系列重复的几何形式。 致密层和多孔表面特征能够导电氧离子和电子。 多孔表面特征至少部分地形成氧离子迁移膜元件的阳极侧，反应物质与分离的氧反应，其厚度小于致密层的厚度，并且具有比表面更大的表面积 的邻接多孔层的致密层。 多孔表面特征中的孔隙孔径与细孔长度之比大约在0.1至5之间。