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lüll Review of coagulation technology for removal of arsenic: case of Chile Sancha AMJ Health Popul Nutr 2006[Sep]; 24 (3): 267-72Coagulation technology has been used since 1970 in northern Chile for removing arsenic from drinking-water. This experience suggests that coagulation is an effective technology for the removal of arsenic. It is currently possible to reduce arsenic from 400 microg/L to 10 microg/L at a rate of 500 L/sec, assuming pH, oxidizing and coagulation agents are strictly controlled. The Chilean experience with the removal of arsenic demonstrates that the water matrix dictates the selection of the arsenic-removal process. This paper presents a summary of the process, concepts, and operational considerations for the use of coagulation technology for removal of arsenic in Chile.|Arsenic Poisoning/*prevention & control[MESH]|Arsenic/*chemistry[MESH]|Chile[MESH]|Environmental Exposure[MESH]|Fresh Water/*chemistry[MESH]|Humans[MESH]|Iron/*chemistry[MESH]|Water Pollutants, Chemical/*analysis[MESH]|Water Purification/*methods[MESH]|Water Supply[MESH] |