作者单位:Univ Kebangsaan Malaysia, Sch Environm & Nat Resource Sci, Ukm Bangi 43600, Selangor, Malaysia[1]Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem & Proc Engn, Ukm Bangi 43600, Selangor, Malaysia[2]Univ Kebangsaan Malaysia, Fac Sci & Technol, Tasik Chini Res Ctr, Ukm Bangi 43600, Selangor, Malaysia[3]