2Murray H H. Traditional and new application for kaolin, smective,and palygorskite--a general overview[J]. Applied Clay Science,2000,17(5): 207-221.
3Susmita Sen Gupta,Krishna G. Bhattaeharyya. Removal of Cd (II) from aqueous solution by kaolinite, montmorillonite and their poly(oxo zirconium) and tetrabutylammonium derivatives [J]. Journal of Hazardous Materials, 2006,128(2) :247-257.
5Alvarez Ayuso E,Garcia Sanchez A. Removal of heavy metals from waste waters by natural and Na exchanged bentonites[J]. Clays Clay Miner,E003,51(5) :475-480.
7Kayocte O, Adehowale, Emmanuel I,et al. Kinetic and thermo dynamic aspects of the adsorption of Pb^2+ and Cd^2+ ions on tripolyphosphate modified kaolinite clay[J]. Chemical Engineerlag Journal,2008,136(3): 99-107.
