Abstract
A new seawater desalination plant (SWDP) is to be built in Qingdao, China by Befesa Agua, S.A.U. The application of SWDP is to produce drinking water for local residents due to lack of brackish water in north China. Seawater will be treated with membrane technologies to achieve the required water quality. The key process unit operations are ultrafi ltration and seawater reverse osmosis. In order to prepare for the detailed design phase and membrane selection, a pilot study was carried out, in which various ultrafi ltration product and process concepts were investigated. Among other, submerged and pressurized processes were tested, using inside-out and outside in module confi gurations, polyethersulfone (PES) and polyvinylidene fluoride (PVDF) fibers. Comparative results with these different technologies had been published previously. This publication provides detailed results on the fi rst phase of testing of one of the technologies investigated: pressurized, outside-in, PVDF-based ultrafi ltration produc...
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