• AWWA MTC61095
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AWWA MTC61095

  • Impact of Operating Parametes on the Trans-Membrane Pressure in a Submerged Hollow Fiber Membrane System
  • Conference Proceeding by American Water Works Association, 03/01/2005
  • Publisher: AWWA

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The present study is part of a research program that is aimed at developing a procedurethat can be used to optimize the permeate yield for a full-scale membrane system basedon simple bench-scale tests. The present study investigates the impact of the operatingpermeate flux on the evolution of the resistance offered by a submerged membrane to thepermeating liquid (i.e. increase in trans-membrane pressure).The increase in the trans-membrane pressure observed during the present study isgoverned by the operating permeate flux, the hydrodynamic conditions and the systemconfiguration. The increase in the trans-membrane pressure can be modeled using asimple exponential relationship that is a function of the operating permeate flux, thepseudo-steady-state permeate flux, which is governed by the system hydrodynamics andconfiguration, and the volume of permeate filtered. Although additional work is requiredto develop a comprehensive procedure that can be used to optimize the permeate yield fora membrane system, results to date suggest that it is possible to accurately predict theevolution of the permeate flux in a full-scale system using data collected using simplebench-scale tests. Includes 6 references, table, figures.

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