Abstract: Dual conditioning of activated sludge utilizing polyampholyte (T204) in combination with ferric chloride or cationic polyelectrolyte, polydiallyldimethyl ammonium chloride (PDADMAC) was investigated. Capillary suction time, ...

Abstract: A second-order hybrid type of total variation diminishing (TVD) finite-difference scheme is investigated for solving dam-break problems. The scheme is based upon the first-order upwind scheme and the second-order Lax-Wendroff ...