A comprehensive review of environmental remediation is presented with an emphasis on the role
of clay minerals in water purification. In the first chapter important aspects of
environmental problems and possible solutions are discussed. In the second chapter the
application of natural clay minerals as environmental cleaning agents are explained. The
discussion is focused on the role of different types of clay materials in hazardous substance
removal from air aqueous solutions wastewater aquaculture ground water etc. In the next
chapter the modification of clay materials is explored including the preparation of clay
composite materials for environmental remediation. Various aspects of clay material
modifications and the effects of clay surface chemistry on the removal of hazardous material is
also discussed. Next the equilibrium and kinetics of hazardous substance adsorption is
presented. This chapter summarizes recent studies on the removal of hazardous substances from
aqueous solutions and the environment using various types of clay minerals. The brief also
includes various models used in adsorption studies and touches on the characterization of clay
minerals.
