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The present study intends to demonstrate that physical and chemical properties of the Limestone rock Soyatal, located in the region of Zimapan Hidalgo (Mexico) facilite the levels of arsenic adsorption when the rock is put into contact with contaminated water, reducing considerably the concentrations of this metal. Although Soyatal rock contains arsenic, desorption tests were done with the same rock, finding a minimum occurrence of this phenomenon. Tests were done using towers packed with Soyatal rocks to eliminate the arsenic present in the water. During the laboratory tests certain variables were considered to determine the efficiency of arsenic removal: particle size, contact time, amount of rock and volume of the sample. From the results it can be concluded that this study can be useful for implementing a domestic treatment to purify drinkable water extracted from the Zimapan well.

Tratamiento de Agua para Consumo Humano con Alto Contenido de Arsénico: Estudio de un Caso en Zimapán Hidalgo-México