Abstract: A bibliometric analysis based on the Web of Science database was carried out to identify the globalresearch related to arsenic in the drinking water field from 1992 to 2012 and to improve the understandingof the research trends in the same period. The results from the analysis reveal a linearly increasing numberof annual publications and a high effort to find effective technical solutions to the problems caused by thepresence of arsenic in water. The most relevant research aspects of the four main technologies applied toarsenic removal from drinking water (coagulation, flocculation and precipitation followed by filtration;adsorption and ion exchange; membrane-based processes and biological treatments) were summarizedin this paper, with adsorption appearing to be the alternative that has received most attention accordingto the research trends during the studied period.

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