Al-Degs, Y., Khraisheh, A.M. & Tutunji, M.F. (2001) Sorption of lead ions on diatomite and manganese oxides modified diatomite.
Water Research, 35, 3724–3728.
Allen, S.J. & Brown, P.A. (1995) Isotherm analysis for single component and multi-component metal sorption onto lignite.
Journal of Chemical Technology and Biotechnology, 62, 17–24.
Avom, J., Mbadcam, J.K., Noubadep, C. & Germain, P. (1997) Adsorption of methylene blue from an aqueous solution onto activated carbons from palmtree cobs.
Carbon, 35, 365– 369.
Bailey, S.E., Olin, T.J., Brica, R.M. & Adrin, D.D. (1999) A review of the potential low cost sorbents for heavy metals.
Water Research, 33, 2469– 2479.
Bazhal, I.G., Vorona, L.G., Leshchenko, A.V. & Pereverzeva, I.N. (1975) Effect of chemical modification of diatomite powder on their filtration qualities.
Soviet Progress in Chemistry, 41, 91– 92.
Cheung, C.W., Porler, J.F. & McKay, G. (2000) Elovich equation and modified second-order equations for sorption of cadmium ions onto bone char.
Journal of Chemical Technology and Biotechnolo gy, 75, 963–970.
De Boodt, M.F. (1991) Application of the sorption theory to eliminate heavy metals from wastewater and contaminated soils. Pp. 293–320 in. Interaction at the Soil Colloid – Soil Solution Interface. NATO ASI Series. Kluwer Academic Publishers, Dordrecht, The Netherlands.
El-Geundi, S.E. (1997) Adsorbents for industrial pollution control.
Adsorption Science and Technology, 10, 777–787.
Furusawa, T. & Smith, J.M. (1973) Fluid-particle and intraparti cle mass transport rates in slurries.
Industrialand Engineering Chemistry Fundamentals, 12, 197–203.
Giles, C.H. & Smith, D.A. (1974) General treatment and classification of the solute adsorption isotherms.
Journal of Colloid and Interface Science, 47, 755–765.
Guibal, E., Milot, C. & Tobin, J.M. (1998) Metal-anion sorption by Chitosan Beads: Equilibrium and kinetics studies.
Industrial Engineering Chemistry Research, 37, 1454–1463.
Krauskof, K.B. (1967) Introduction to Geochemistry, 2nd edition. McGraw-Hill, New York.
McKay, G. (1980) The removal of color from effluent using various adsorbents – IV silica.
Water Research, 14, 21–27.
McKay, G. (1983) The adsorption of dyestuffs from aqueous solution using activated carbon (IV). External mass transfer processes.
Journal of Chemical Technology and Biotechnolo gy, 33, 205–218.
McKay, G. & McConvey, I. (1981) The external mass transfer of basic and acidic dyes on wood.
Journal of Chemical Technology and Biotechnolo gy, 31, 401–408.
McKay, G., McKee, S. & Waters, H.R.J. (1987) Solidliquid adsorption based on external mass transfer. Macropore and micropore diffusion.
Chemical Engineering Science, 42, 1145–1151.
Noh, J.S. & Schwarz, J.A. (1989) Estimation of the point of zero charge of simple oxides by mass titration.
Journal of Colloid and Interface Science, 130, 157–164.
Punmia, B.C. (1973) Soil Mechanics and Foundations, 2nd edition. Standard Book House, Delhi, India, pp. 11 –13.
Sanchez, A.G.,Ayuso, E.A. and De Blas, O.J. (1999) Sorption of heavy metals from industrial waste water by low-cost mineral silicates.
Clay Minerals, 34, 469–477.
Tan, K.H. (1995) Soil Sampling, Preparation, and Analysis. Marcel Dekker Inc., New York.
Tarasevich, Y.I. (1978) Natural sorbents in water puri fica tion proce sses.
Soviet Progre ss in Chemistry, 44, 16– 27.
Taylor, R.W., Kamaleldin, H., Ahmed, A.M. and James, W.S. (1995) Zinc sorption by Alabama Soils.
Communications in Soil Scienc e and Plant Analysis, 26, 993–1008.
Vanloon, G.W. & Duffy, S.J. (2000) Environmental Chemistry, 1st edition. Oxford University Press, Oxford, UK, pp. 282 –318.
Weber, W.J., Jr. (1965) Sorption from Solution by Porous Carbon. Principles of Applied Water Chemistry. Proceedings of the 4th Rudolfs Research Conference, Rutgers State University, New York, pp. 89 –123.