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arsenic removal from contaminated groundwater

	Arsenic Removal From Contaminated Groundwater by Dr Shirshen De
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Arsenic Removal from Contaminated Groundwater presents a comprehensive discussion on various important issues, including state-of-the-art arsenic removal technologies, preparation and performance analysis of laterite, and scale-up issues and design of a household filter. It also expounds the potentiality of raw laterite and treated laterite as low-cost arsenic adsorbents. The efficiency of adsorbent capacity is evaluated using real arsenic contaminated groundwater collected from an affected area in West Bengal, India. The topic is an emerging area and most of the work presented has the potential of field application. Contents: Arsenic in groundwater and its health effects Health Hazards of Arsenic Social Impact of Arsenicosis Hydrogeochemistry of arsenic-contaminated water Arsenic Chemistry Sources of Arsenic and Environmental Impacts Physico-chemical Processes Involved in Arsenic Mobilization World Scenario of Arsenic Pollution in Water Groundwater Hydrochemistry Scenario of Arsenic in Deep Groundwater (>150 m) and its Hydrogeochemistry Arsenic removal processes and advantages of the adsorption process Oxidation Chemical Coagulation Precipitation and Electrocoagulation Ion Exchange Membrane Technology Adsorption Literature Review on Various Adsorbents used for Arsenic Removal Studies Prospect of Raw Laterite as an Arsenic Adsorbent Treated/Modified Laterite as a Potential Arsenic Adsorbent Organization of Experimental Work for Arsenic Laterite System Application of raw laterite as an arsenic adsorbent Experiment Results and Discussion Application of acid-treated laterite as an arsenic adsorbent Experiment and Methodology Results and Discussion Application of acid base treated laterite as an arsenic adsorbent Materials and Analysis Preparation of Acid Base Treated Laterite and the Optimization of Treatment Process Characterization of Treated Laterite Chemical Reactions Involved during the Preparation of Treated Laterite Batch Mode Arsenic Adsorption on Treated Laterite Batch Kinetic Modelling of the Treated Laterite/Arsenic System Adsorption of Arsenic Species in a Binary System Effect of other Ions on As(III) and As(V) Adsorption Fixed-bed Column Study Comparison of Adsorption Capacity of Treated Laterite with other Adsorbents Scale up for Preparation of Treated Laterite and Performance of Household Filter using Contaminated Groundwater Leaching Study of Fresh Treated Laterite and Arsenic Adsorbed Treated LateriteISBN - 9788179933831