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MEMBRANE MODULE WITH UNILATERALLY EMBEDDED HOLLOW FIBER MEMBRANES
MEMBRANE MODULE WITH UNILATERALLY EMBEDDED HOLLOW FIBER MEMBRANES
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机译:单向嵌入中空纤维膜的膜组件
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摘要
A membrane module for substance-specific treatment of a fluid includes a housing with a bundle of hollow-fiber membranes with semipenneable, porous walls. The hollow-fiber membranes are embedded in a sealing compound only at one end, and flow around the second end is substantially unrestricted. The lumina of the hollow-fiber membranes are open at the unembedded end and lead into the external space surrounding the hollow-fiber membranes. The fluid to be treated is introduced via an inlet arrangement on only one of the two sides (inside or outside) of the hollow-fiber membranes and directed over this side as a primary stream such that a portion thereof flows as a permeate stream through the wall to the respective other side, the substance-specific treatment taking place on the permeate stream. After passing through the wall, the permeate stream is collected on the other side and reunited with the primary stream in the external space. Finally, the stream of the treated fluid, comprising the unified primary and permeate streams, is drained from the housing via an outlet arrangement.
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