Industrial-scale ultrafiltration (UF) membrane systems have gained wide acceptance for producing safe drinking water. Laboratory (lab) and pilot plant studies are often carried out prior to the design of full-scale water treatment plants. Emphases are laid on how accurate these lab and pilot plant studies represent actual industrial-scale system and the limitations. A case study which encompasses lab experiments, pilot plant and industrial-scale UF systems have been carried out in Malaysia using the same type of modified Polyethersulfone hollow fibers UF membrane and surface raw water source. This research elaborates on the practical utilization of lab experiments and pilot plant results on the design and scale-up for industrial-scale water treatment plant. The results obtained in filtrates quality, transmembrane pressure and specific electricity requirements elucidate that both lab and pilot-scale studies are essential to determine the detailed design criteria of an industrial-scale UF membrane water treatment plant with limitations that require attention. Design engineers are able to reduce the safety factor allowance and minimize cost by utilizing lab and pilot-scale results for the scale-up of UF membrane water treatment plant.
- pilot plant
- water treatment
- First received 28 July 2015.
- Accepted in revised form 6 October 2015.
- © IWA Publishing 2015