International Journal

1.       P. Tantriratna, W. Wirojanagud, S. Neramittagapong, K. Wantala, N. Grisdanurak*, “Optimization for UV-photocatalytic degradation of paraquat over titanium dioxide supported on rice husk silica using Box-Behnken design” Indian Journal of Chemical Technology, 2011, 18, 363-371. (Impact factor: 0.354, 2010)

2.       K. Wantala, E. Khongkasem, N. Khlongkarnpanich,  S. Sthiannopkao, K.-W. Kim, “Optimization of As(V) adsorption on Fe-RH-MCM-41-immobilized GAC using Box-Behnken Design: Effects of pH, loadings, and initial concentrations”, Applied Geochemistry, 2011, In Process. (Impact factor: 1.961, 2009)

3.       K. Wantala, S. Sthiannopkao, B. Srinameb, K.-W. Kim, S. Han, “Arsenic adsorption by Fe-RH-MCM-41 synthesized from rice husk silica” Journal of Environmental Engineering-ASCE, 2011, Accepted. (Impact factor: 1.048, 2009)

4.       C.J.E. Bajamundi, M.L.P. Dalida, K. Wantala, P. Khemthong, N. Grisdanurak, “Effect of Fe3+ Doping on The Performance of TiO₂ Mechanocoated Alumina Bead Photocatalysts”, The Korean Journal of Chemical Engineering, 2011, 28 (8), pp. 1688-1692.  (Impact factor: 0.748, 2010)

5.       K. Wantala, P. Khemthong, J. Wittayakun, and N. Grisdanurak, “Visible light-irradiated degradation of alachlor on Fe-TiO₂ with assistance of H₂O₂”, The Korean Journal of Chemical Engineering, 2011, 28(11), 2178-2183. (Impact factor: 0.748, 2010)

6.       D. Tipayarom, K. Wantala, N. Grisdanurak, ^“Optimization of alachlor degradation on S-doped TiO₂ by sonophotocatalytic activity under visible light^”, Fresenius Environmental Bulletin, 2011, 20(6), 1425-1431. (Impact factor: 0.531, 2009)

7.       E. Khongkasem, N. Khlongkarnpanich, W. Weangkaew, and K. Wantala*, “Effect on Adsorption of Cd(II) Ions by Modified Coir Pith as an Agricultural Waste” Journal of Metals, Materials and Minerals, 2010, 20 (3), pp.73-76. (TCI)

8.    K. Wantala, L. Laokiat, P. Klemthong,  N. Grisdanurak, “Calcination temperature effect on solvothermal Fe-TiO₂ and its degradation of methyl orange under visible light”, Journal of the Taiwan Institute of Chemical Engineers, 2010, 41, pp. 612-616 (Impact factor: 1.412, 2009)

9.    S. Sthiannopkao, K. W. Kim, K. H. Cho, K. Wantala, S. Sotham, C. Sokuntheara, J. H. Kim, “Arsenic levels in human hair, Kandal province, Cambodia: The influences of groundwater arsenic, consumption period, age and gender”. Applied Geochemistry, 2010, 25 (1), pp.81-90.  (Impact factor: 1.961, 2009)

10.    K. Wantala, B. Srinameb, N. Grisdanurak, S. Sthiannopkao, K.W. Kim, “Synthesis and characterization of Fe-MCM-41 from rice husk silica by hydrothermal technique for arsenate adsorption”, Environmental Geochemistry and Health, 2010, 32, pp. 261–266 (Impact factor: 1.622, 2009)

11.    S. Artkla, K. Wantala, B. Srinameb, N. Grisdanurak, W. Klysubun,  J. Wittayakun, “Characteristics and photocatalytic degradation of methyl orange on Ti-RH-MCM-41 and TiO₂/RH-MCM-41”, The Korean Journal of Chemical Engineering, 2009, 26 (6), pp.1556-1562. (Impact factor: 0.893, 2009)

12.    K. Wantala, D. Tipayarom, L. Laokiat, N. Grisdanurak, “Sonophotocatalytic of methyl orange over Fe(III)/TiO₂”.The Reaction Kinetics and Catalysis Letters, 2009, Vol.  97, pp. 249 – 254. (Impact factor: 0.557, 2009)