Removal of Heavy Metal from Synthetic WastewaterUsing Calcined Golden Apple Snail Shells


Chatyapha Ketwong Somsuk Trisupakitti Chompoo Nausri Watchara Senajuk


     Westudied the removal of heavy metals from synthetic waste water samples by using Golden Apple Snail shells,calcined at 1050OC: they were able to removeup to 30% of copper(II) ions, 88% of cadmium(II) ions and 56% of lead(II) ions. The best performance was at pH 6. Metal removal followed a stable pseudo-second order reaction equation with parameters, k2 and qe, with k2 values for Cu2+0.00377, Cd2+ 0.00278 and Pb2+ 0.00365 g/mg-min and qe values of  9.65,25.9, 16.8 mg/g and we concluded that the sorption mechanism is primarily absorption into the pores of the sorbent . This adsorbing material had two advantages, that is, lower volume of the Golden Apple Snail Shell and a cost-effective absorbent. If further developed, this could lead to better and effective low cost treatment for polluted waste waters.

Keywords:Golden Apple Snail Shell, Absorption, Cadmium, Copper, Lead, Sorption kinetics


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Research Articles


How to Cite
KETWONG, Chatyapha et al. Removal of Heavy Metal from Synthetic WastewaterUsing Calcined Golden Apple Snail Shells. Naresuan University Journal: Science and Technology (NUJST), [S.l.], v. 26, n. 4, p. 61-70, nov. 2018. ISSN 2539-553X. Available at: <>. Date accessed: 23 apr. 2019. doi: