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    • 55. 发明授权
    • Process for removing condensable components from gas streams
    • 从气流中除去可冷凝组分的方法
    • US5199962A
    • 1993-04-06
    • US837244
    • 1992-02-14
    • Johannes G. Wijmans
    • Johannes G. Wijmans
    • B01D53/22
    • B01D53/22
    • A process for treating a gas stream to remove or recover a condensable component. The process involves a condensation step and a membrane concentration step. The condensation step may be followed by the membrane step, or vice versa. The process can be designed to yield only two product streams: one, the condensed liquid, ready for use, reuse or discard, and two, a residue gas stream which im most cases will be clean enough for direct discharge or reuse. This result is achieved by recycling other streams within the process. Recovery of 90% or more of the condensable component can be achieved. The process offers substantial energy savings compared with condensation alone.
    • 一种处理气流以除去或回收可冷凝组分的方法。 该方法包括缩合步骤和膜浓缩步骤。 缩合步骤之后可以是膜步骤,反之亦然。 该方法可以设计成仅产生两种产物流:一种是冷凝液体,即可使用,再利用或丢弃,二是大多数情况下的残留气流将足够清洁以直接排放或再利用。 这个结果是通过回收过程中的其他流来实现的。 可以实现90%以上的可冷凝成分的回收。 与单独冷凝相比,该方法提供了显着的节能。
    • 56. 发明授权
    • Membrane process and apparatus for removing vapors from gas streams
    • 用于从气流中除去蒸汽的膜工艺和设备
    • US5071451A
    • 1991-12-10
    • US635919
    • 1990-12-28
    • Johannes G. Wijmans
    • Johannes G. Wijmans
    • B01D1/00B01D53/22
    • B01D53/225B01D53/229
    • A membrane process and system for removing condensable vapors from gas streams is disclosed. The process includes a membrane separation step and a condensation or other recovery step. An auxiliary membrane module or set of modules is installed across the pump and condenser on the downstream side of the main membrane unit. This module takes as its feed the vent gas from the condenser, and returns a vapor-enriched stream upstream of the pump and condenser. The module can be sized to produce a discharge stream containing the vapor in about the same concentration as the feed to be treated. This discharge stream can then be mixed with the feed without adverse effect on the efficiency of the system.
    • 公开了一种用于从气流中除去可冷凝蒸气的膜工艺和系统。 该方法包括膜分离步骤和冷凝或其它回收步骤。 辅助膜组件或一组模块安装在主膜单元下游侧的泵​​和冷凝器两侧。 该模块将来自冷凝器的排出气体作为其进料,并且在泵和冷凝器的上游返回富蒸气流。 该模块的尺寸可以制成含有与待处理饲料大致相同浓度的蒸气的排放流。 然后可以将该排出流与进料混合,而不会对系统的效率产生不同的影响。
    • 59. 发明授权
    • Process for removing condensable components from gas streams
    • 从气流中除去可冷凝组分的方法
    • US5089033A
    • 1992-02-18
    • US649305
    • 1991-01-30
    • Johannes G. Wijmans
    • Johannes G. Wijmans
    • B01D53/22B01D71/24
    • B01D53/22
    • A process for treating a gas stream to remove or recover a condensable component. The process involves a condensation step and a membrane concentration step. The condensation step may be followed by the membrane step, or vice versa. The process can be designed to yield only two product streams: one, the condensed liquid, ready for use, reuse or discard, and two, a residue gas stream, which in most cases will be clean enough for direct discharge or reuse. This result is achieved by recycling other streams within the process. Recovery of 90% or more of the condensable component can be achieved. The process offers substantially energy savings compared with condensation alone.
    • 一种处理气流以除去或回收可冷凝组分的方法。 该方法包括缩合步骤和膜浓缩步骤。 缩合步骤之后可以是膜步骤,反之亦然。 该方法可以设计成仅产生两种产物流:一种是冷凝液体,即可使用,再利用或丢弃,以及二种残留气流,其在大多数情况下将足够清洁以便直接排放或再利用。 这个结果是通过回收过程中的其他流来实现的。 可以实现90%以上的可冷凝成分的回收。 与单独的冷凝相比,该方法提供了显着的节能。