| 摘要 |
A spiral wound assembly including: i) a pressure vessel including a feed inlet, concentrate outlet and permeate outlet, and ii) a plurality of spiral wound modules, each including at least one membrane envelop wound around a permeate tube, and wherein the spiral wound modules are serially arranged within the pressure vessel with a first element of the series positioned adjacent to a first end of the pressure vessel and a last element of the series positioned adjacent to an opposing second end of the pressure vessel, and wherein the permeate tubes of the spiral wound elements are serially connected to form a permeate pathway which is connected to the permeate outlet. The assembly is characterized by including a flow controller within the permeate pathway that provides a resistance that varies as a function of permeate flow. |
