[1. Thomas, K.M. (2007). Hydrogen adsorption and storage on porous materials. Catal Today. 120, 389–398 01/2007; DOI: 10.1016/j.cattod.2006.09.015.10.1016/j.cattod.2006.09.015]Search in Google Scholar
[2. Zhao, D. & Wang, Y. (2007). In: Introduction to Zeolite Science and Practice (Eds: J. Cejka, H. van Bekkum, A. Corma, F. Schüth), Stud. Surf. Sci. Catal. 168, Chapter 8, Elsevier, Amsterdam.]Search in Google Scholar
[3. Kleitz, F. (2008). Handbook of Heterogeneus Catalysis (Eds: G. Ertl, H. Knoetzinger, F. Schueth, J. Weitkamp), Wiley-VCH Verlag GmbH & Co KgaA, Weinheim.]Search in Google Scholar
[4. Roth, W.J. & Vartuli, J.C. (2005). Progress and Prospects, Stud Surf Sci Catal (Eds: J. Cejka, H. van Bekkum) 91.]Search in Google Scholar
[5. Hartmann, M. (2005). Adsorption of vitamin E on mesoporous carbon molecular sieves. Chem. Mater. 17, 829–833. DOI: 10.1021/cm048564f.10.1021/cm048564f]Search in Google Scholar
[6. Hartmann, M. & Jung, D. (2010). Biocatalysis with enzymes immobilized on mesoporous hosts: the status quo and future trends. J. Mater. Chem. 20, 844. DOI: 10.1039/B907869J.10.1039/B907869J]Search in Google Scholar
[7. Mumin, M.A., Khan, M.M.R., Akhter, K.F. & Uddin, M.J. (2007). Potentiality of open burnt clay as an adsorbent for the removal of Congo red from aqueous solution. Int. J. Environ. Sci. Tech. 4 (4), 525–532.10.1007/BF03325990]Search in Google Scholar
[8. Krishna, B.S., Murty, D.S.R. & Jai Prakash, B.S. (2001). Surfactant-modified clay as adsorbent for chromate. Appl Clay Sci. 20 (1–2), 65–71. DOI.10.1016/S0169-1317(01)00039-4.10.1016/S0169-1317(01)00039-4]Search in Google Scholar
[9. Karthikeyan, G., Pius, A. & Alagumuthu, G. (2005). Fluoride adsorption studies of montmorillonite clay. Indian J. Chem. Techn. 12(3), 263–272.]Search in Google Scholar
[10. Lang, F. & Kaupenjohann, M. (2002). Immobilisation of molybdate by iron oxides: Effect of organic coatings. Geoderma. 1910, 1–16.]Search in Google Scholar
[11. Kaiser, K. & Guggenberger, G. (2003). Mineral surface and soil organic matter. Eur. J. Soil Sci. 54,1–18. DOI: 10.1046/ j.1365-2389.2003.00544.10.1046/j.1365-2389.2003.00544.x]Search in Google Scholar
[12. Usman, M.A., Ekwueme, V.I., Alaje, T.O. & Mohammed, A.O. (2012). Characterization, Acid Activation, and Bleaching Performance of Ibeshe Clay, Lagos, Nigeria. ISRN Ceramics. Article ID 658508, 5 pages, DOI: 10.5402/2012/658508.10.5402/2012/658508]Search in Google Scholar
[13. Panda, A.K., Mishra, B.G., Mishra, D.K. & Singh, R.K. (2010). Effect of sulphuric acid treatment on the physicochemicalcharacteristics of kaolin clay. Colloids Surf., A. 363, 98–104.10.1016/j.colsurfa.2010.04.022]Search in Google Scholar
[14. Asheh, S., Banat, F. & Abu-Aitah, L. (2003). Sep. Pur. Tech., 33, 10.]Search in Google Scholar
[15. Chaisena, A. & Rangsriwatananon, K. (2004). Effects of thermal and acid treatments on some phisico-chemical properties of lampang diatomitr. J. Sci. Technol. 11, 289.]Search in Google Scholar
[16. Sing, K.S.W., Everett, D.H., Haul, R.A.W., Mouscou, L., Pierotti, R.A., Rouquerol, J. & Siemieniewska, T. (1985). Pure Appl. Chem. 57, 603. DOI:10.1351/pac198557040603.10.1351/pac198557040603]Search in Google Scholar
[17. Rouquerol, F., Rouquerol, J. & Sing, K. (1999). Adsorption by Powders and Porous Solids, Academic Press, London.]Search in Google Scholar
[18. Lowell, S., Shields, J., Thomas, M.A. & Thommes, M. (2004). Characterization of Porous Solids and Powders: Surface Area, Pore Size and Density, Springer, The Netherlands.10.1007/978-1-4020-2303-3]Search in Google Scholar
[19. Gregg, S.J. & Sing, K.S.W. (1982). Adsorption, Surface Area and Porosity, Academic Press, London.]Search in Google Scholar
[20. Ajemba, R.O. & Onukwuli, O.D. (2012). Dissolution kinetics and mechanisms of reaction of Udi clay in nitric acid solution. AJSIR. DOI: 10.5251/ajsir.2012.3.3.115.121.10.5251/ajsir.2012.3.3.115.121]Search in Google Scholar
[21. Tsai, WT., Hsien, K.J., & Lai, C.W. (2004). Chemical Activation of Spent Diatomaceous Earth by Alkaline Etching in the Preparation of Mesoporous Adsorbents. Ind. Eng. Chem. Res. 43, 7513–7520.10.1021/ie0400651]Search in Google Scholar
[22. Saidi, A., Shamanian, M., Barati, M. & Azari, K. (2004). Hyperactivation of Bentonite in Pelletizing Process. International Journal of ISSI 1(1), 38–41.]Search in Google Scholar