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Publications
Publications (9)
High concentrations of fluoride (F−) in drinking water represent a public health threat, and consequently, effective and sustainable methods are required to improve the water quality, mainly in developing and low-income countries. This study focused on the thermodynamics of fluoride adsorption on bone char regenerated with NaOH for water defluorida...
This review covers the preparation, characterization, and application of magnetic adsorbents obtained from carbon-based sources and their application in the adsorption of both inorganic and organic pollutants from water. Different preparation routes to obtain magnetic adsorbents from activated carbon, biochar, hydrochar, graphene, carbon dots, carb...
The preparation of an alternative material for the adsorption of arsenic from aqueous solution was studied. This adsorbent was obtained from the pyrolysis and ZnCl2 activation of Opuntia ficus indica biomass (widely known as nopal), which is a typical plant of the Mexican landscape. Preparation conditions of this adsorbent were improved to increase...
The effect of cobalt dications on the transformation of 2-line ferrihydrite (2LF) has been studied. The products of the transformation reaction were characterized by X-ray diffraction, Mössbauer spectroscopy (MS), transmission electron microscopy (TEM), magnetometry, and first-order reversal curve (FORC) diagrams. It was found that the concentratio...
A rich variety of ferrihydrite/hematite nanocomposites (NCs) with specific size, composition and properties were obtained in transformation reactions of 2-line ferrihydrite. Transmission electron microscopy observations showed that the NCs consist of clusters of strongly aggregated nanoparticles (NPs) similarly to a “plum pudding”, where hematite N...
Iron oxides (IO's) have been widely used for arsenic removal from water. Arsenic is a world-wide problem that has caused a range of diseases to the population that lives near polluted waters. Current technologies have scaled down the contamination level, but the problem remains, mainly in developing countries and rural areas. It is highly desirable...
Oxalic acid (OA) exhibits interesting chemical properties such as reducing and chelating agent for metal anions. These properties make OA useful for fabrication of new nanostructures, developing of models of how different nanocatalysts work and modification of surface properties of nanostructures. The role of OA on modification of physical and morp...
Se mencionan los aspectos más importantes a tratar
en lo que al tema pilas descartadas respecta. El
funcionamiento, uso y composición de la pilas; la
problemática, los efectos en la salud y el ambiente,
así como la normatividad vigente en México, todo
lo anterior con la finalidad de buscar una alternativa
de solución para el grande problema que ten...
