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1070320 
Journal Article 
Review 
Technological options for the removal of arsenic with special reference to South East Asia 
Jain, CK; Singh, RD 
In Press 
Yes 
Journal of Environmental Management
ISSN: 0301-4797
EISSN: 1095-8630 
Elsevier B.V., P.O. Box 211 Amsterdam 1000 AE Netherlands 
107 
1-18 
English 
Arsenic contamination in ground water, used for drinking purpose, has been envisaged as a problem of global concern. However, arsenic contamination of ground water in parts of South East Asia is assuming greater proportions and posing a serious threat to the health of millions of people. A variety of treatment technologies based on oxidation, co-precipitation, adsorption, ion exchange and membrane process are available for the removal of arsenic from ground water. However, question remains regarding the efficiency and applicability/appropriateness of the technologies, particularly because of low influent arsenic concentration and differences in source water composition. Some of these methods are quite simple, but the disadvantage associated with them is that they produce large amounts of toxic sludge, which needs further treatment before disposal into the environment. Besides, the system must be economically viable and socially acceptable. In this paper an attempt has been made to review and update the recent advances made in the technological development in arsenic removal technologies to explore the potential of those advances to address the problem of arsenic contamination in South East Asia. 
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