Foaming control in activated sludge treatment plants by coagulants addition by Mamais D., Kalaitzi E. and Andreadakis A.
Removal of a basic dye from aqueous solution by adsorption using rice hulls by El-Maghraby A. and El Deeb H.A.
Removal of hexavalent chromium from electroplating wastewater by electrocoagulation with iron electrodes by Dermentzis K., Christoforidis A., Valsamidou E. and Lazaridou A.