New Natural Coagulant Aid in Water Treatment Jenny Siew Lee Chew, Agnes Yin Yee Ho, Boon Chin Lim, Wai Loon Chan, Yeek Chia Ho, Jun Wei Lim and Soon Onn Lai MATEC Web Conf., 203 (2018) 03004 Published online: 17 September 2018 DOI: 10.1051/matecconf/201820303004