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Abstract
To select the most suitable membrane process to treat the final effluent discharged from the S wastewater treatment facility at P Steel Works, the effluent was passed through two types of membrane (spiral wound and disc tube) in a pilot-scale study. The permeate flux and regeneration of each membrane were comparatively observed and the removal efficiency of contaminants determined. The experimental results from employing the disc tube membrane revealed that the fouling was comparably limited by operating the plant at 34 bar recovery and was highly sustained at permeate flux of 75 % which equals to 32.9l / hr·m2. In contrast, the fouling was significantly greater when applying the spiral would membrane with the recovery correspondingly diminished at 72 %. The disc-tube membrane was chosen to treat the effluent to be recycled for process water as the water quality satisfied the industry water standards.
ACKNOWLEDGMENTS
This work was partly supported by the RRC program, the MOST and the KOSEF.