An osmosis module for pressure retarded osmosis comprising a pressure vessel having a first draw port and a second draw port. The first draw port is provided in a first end-face of the pressure vessel and is in fluid communication with a central structure. A plurality of hollow fibre semipermeable membranes are received within a fibre region of the osmosis module, and are provided around the central structure. In a first lengthwise region of the osmosis module, the draw stream flow between the first draw port and the fibre region via the central structure. In a second lengthwise region of the osmosis module, the flow path which the draw stream flows between the draw ports, is confined to the fibre region and extends substantially parallel to the central structure. The second region extends along a majority of the length of the fibre region.
Pressure retarded osmosis module
2021-10-27
Patent
Electronic Resource
English
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