Total suspended solids removal by high gradient magnetic separation using steel wool at different locationNur Sumaiyyah Supian, Johan Sohaili, Shantha Kumari Muniyandi, Athirah Othman and Nur Suraya KamsanoMATEC Web Conf., 250 (2018) 06004DOI: https://doi.org/10.1051/matecconf/201825006004