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    • 4. 发明授权
    • Fluid distribution apparatus
    • 流体分配装置
    • US07914673B2
    • 2011-03-29
    • US11924157
    • 2007-10-25
    • 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。
    • 5. 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。
    • 10. 发明授权
    • Process for separating para-xylene from a mixture of C8 and C9 aromatic hydrocarbons
    • 从C8和C9芳烃的混合物中分离对二甲苯的方法
    • US08198502B2
    • 2012-06-12
    • US12719410
    • 2010-03-08
    • Leonid BreslerStanley J. Frey
    • Leonid BreslerStanley J. Frey
    • C07C7/13
    • C07C7/005C07C7/13C07C15/08
    • The invention is an adsorptive separation process for producing a para-xylene product from a feed stream comprising para-xylene, at least one other C8 aromatic, and a C9 aromatic. An adsorbent comprising X or Y zeolite and a desorbent comprising para-diethylbenzene (p-DEB) are used in an adsorptive separation zone to produce an extract stream comprising para-xylene, p-DEB, and the C9 aromatic and a raffinate stream comprising the at least one other C8 aromatic, the C9 aromatic, and p-DEB. The extract stream is separated in an extract distillation zone to produce a second desorbent stream comprising the C9 aromatic and p-DEB and the raffinate stream is separated in a raffinate distillation zone to produce a third desorbent stream comprising the C9 aromatic and p-DEB. At least a portion of at least one of the second desorbent stream and the third desorbent stream is further separated in a desorbent distillation zone to produce a stream comprising the C9 aromatic.
    • 本发明是用于从包含对二甲苯,至少一种其它C 8芳族和C 9芳族的进料流产生对二甲苯产物的吸附分离方法。 包含X或Y沸石的吸附剂和包含对二乙基苯(p-DEB)的解吸剂用于吸附分离区,以产生包含对二甲苯,p-DEB和C9芳族化合物的萃取物料流和含有 至少一种其它C 8芳族,C 9芳族和p-DEB。 萃取物流在提取蒸馏区中分离以产生包含C 9芳族和p-DEB的第二解吸流,并且萃余物流在萃余液蒸馏区中分离以产生包含C 9芳族和p-DEB的第三解吸流。 第二解吸流和第三解吸流中的至少一个的至少一部分在解吸蒸馏区进一步分离以产生包含C 9芳族的物流。