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    • 32. 发明授权
    • Flow distribution apparatus
    • 流量分配装置
    • US07314551B2
    • 2008-01-01
    • US10993470
    • 2004-11-19
    • Stanley J. FreyPaul A. SechristDaniel A. Kauff
    • Stanley J. FreyPaul A. SechristDaniel A. Kauff
    • B01D15/08
    • B01D15/1821B01D15/14B01D24/008B01D24/14B01D2201/44
    • Disclosed is a mixer-distributor-collector apparatus for use between beds of solid particles in a fluid-solid contacting vessel. The apparatus includes a solids retaining screen, fluid deflector, passageway, fluid distributor, and flow manipulator. The flow manipulator is a device such as a honeycomb, porous solid, perforated plate, screen, or grid having an open area greater than the open area of the fluid distributor and is located below and spaced apart from the fluid distributor. The apparatus improves the fluid flow characteristics by minimizing or eliminating fluid velocity jets and/or other turbulence which can disturb the downstream particle bed. In an exemplary application, the invention finds use in simulated moving bed (SMB) adsorptive separation processes.
    • 公开了一种在流体 - 固体接触容器中用于固体颗粒床之间的混合器 - 分配器 - 收集器装置。 该装置包括固体挡板,流体偏转器,通道,流体分配器和流动操纵器。 流动操纵器是诸如蜂窝状,多孔固体,多孔板,筛网或格栅的装置,其开口面积大于流体分配器的开口面积,并且位于流体分配器的下方并与其间隔开。 该装置通过最小化或消除可能干扰下游颗粒床的流体速度射流和/或其它紊流来改善流体流动特性。 在示例性应用中,本发明用于模拟移动床(SMB)吸附分离过程。
    • 36. 发明授权
    • Product recovery from simulated-moving-bed adsorption
    • 从模拟移动床吸附产物回收
    • US07208651B2
    • 2007-04-24
    • US11072883
    • 2005-03-03
    • Stanley J. Frey
    • Stanley J. Frey
    • C07C7/12
    • C07C7/12C07C15/08
    • Product purity from or capacity of a simulated-moving-bed adsorptive separation process is increased by flushing the contents of the transfer line previously used to remove the raffinate stream away from the adsorbent chamber, preferably into the raffinate column used to separate desorbent from raffinate product. Preferably a stream from the adsorbent chamber at an intermediate point between the feed entry point and raffinate withdrawal is used as the flushing liquid. This flush step eliminates the passage of a quantity of the raffinate material into the adsorbent chamber in the transfer-line flush period or when the process conduit is subsequently used to charge the feed stream to the adsorbent chamber.
    • 将模拟移动床吸附分离过程的产物纯度或容量通过冲洗先前用于从吸附剂室除去萃余液流的传输管线的内容物,优选地进入用于将脱附剂与萃余液产物分离的萃余塔中来增加 。 优选地,在进料入口点和萃余液之间的中间点处,来自吸附剂室的料流用作冲洗液体。 该冲洗步骤消除了在输送线冲洗期间或当随后使用过程管道将进料流充入吸附剂室时一定量的萃余液材料进入吸附剂室。