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박석우,박용석,장호남 ( Seok Woo Park,Yong Seok Park,Ho Nam Chang ) 한국화학공학회 1990 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.28 No.1
Permeation characteristics of NaCl solution were studied using a cellulose acetate reverse osmosis spiral-wound module. The pure water permeability through the module was 0.272 L/㎡h atm which amounted to 13 % of the cell test. The lower permeability of the module is attributed to the permeate flow resistance through the support inserted between the two membrane envelopes. As the pressure was increased, the permeability and salt rejection increased. The permeability and the flux were dependent on the inlet flow rate to the module and the way of packing. For a uniform flow distribution in the module, several distributor tips were designed, among which 30˚cone-type distributor was found to be most suitable.