SPIRAL WOUND MODULE ASSEMBLY INCLUDING INTEGRATED PERMEATE MONITORING

A spiral wound module assembly including a plurality of serially arranged spiral wound modules axially aligned within a chamber of a pressure vessel, wherein each spiral wound module includes at least one membrane envelope wound about a permeate collection tube and wherein the permeate collection tubes of each spiral wound module are in sealed fluid communication with each other and with a permeate adaptor tube that extends to a permeate outlet port, and wherein the assembly is characterized by including a monitoring system including a set of sensors in contact with the inner periphery of the permeate adaptor tube and a micro-processing unit located within the vessel and connected to the sensors.