1. Lee C.G., Seng C.E. and Liew
K.Y. (2000) Solvent efficiency for oil extraction from spent
bleaching clay. J. Am. Oil Chem. Soc. 77(11), 1219-1222.
2. Seng C.E., Lee C.G. and Liew K.Y. (2001) Adsorption of
Cr (VI) and Ni (II) ions on acid and heat activated deoiled
spent bleaching clay. J. Am. Oil Chem. Soc. 78(8), 831-835.
3. Lim P.E., Ong S.A. and Seng C.E. (2002). Simultaneous adsorption
and biodegradation processes in sequencing batch reactors
(SBR) for treating copper and cadmium-containing wastewater.
Water Research. 36, 667-675.
4. Ong S.A., Lim P.E. and Seng C.E (2003) Effects of adsorbents
and copper (II) on activated sludge microorganisms and sequencing
batch reactor treatment process, J. of Hazardous Materials
B103, 263-277.
5. Ong S.A., Lim P.E. and Seng C.E (2004). Heavy metals
and adsorbents effects on activated sludge microorganisms.
Annali di Chimica 94(1-2), 85-92.
6. Ong S.A., Lim P.E. Seng C.E., Hirata M and Hano Tadashi
(2005). Effects of Cu(II) and Cd(II) on the performance
of sequencing batch treatment system, Process Biochemistry.
40, 453-460.
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