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Hesan Elfaki,Alaa Hawari,Catherine Mulligan 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.24 No.-
The potential of using a new filter aid, namely, talc to enhance the removal of particles in a multi-media filter was investigated. In the case of the nano-scale particles the running time was enhanced by 300 min at a talc concentration of 67.5 mg/l. In the case of the micro-scale particles the running time was enhanced from 20 min to 40, 100, and 300 min at a talc concentration of 22.5 mg/l, 45 mg/l, and 67.5 mg/ l, respectively. Coagulation was due to hydrophobic and chemical interactions between talc and the different suspensions