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Ingeniería Mecánica

versión On-line ISSN 1815-5944

Resumen

MARQUEZ-MONTESINO, Francisco et al. Activated coal of tomato seeds for adsorption of vapors of ammonia, benzene and gasoline. Ingeniería Mecánica [online]. 2013, vol.16, n.2, pp.83-90. ISSN 1815-5944.

The objective was to prove the adsorption possibilities of ammonia, benzene and vapors of gasoline in activated coals with phosphoric acid, of tomato seed. An immediate analysis to the biomass was carried out. It was concluded that the vapors adsorption of ammonia, is related with the physical adsorption and the presence of functional groups of acid character in the active surface of the coal that form weak connections with the molecules of ammonia. Experiments of adsorption of benzene and gasoline were carried out, these substances haven't functional groups as the ammonia, so they were less adsorbed, and it was confirmed a chemical adsorption preferably. The activation temperature, the relationship of impregnation (RI) and the concentration of the acid dissolution haven't a significant influence in the capacity of adsorption of benzene, but they have in the adsorption of ammonia and vapors of gasoline, it's of great application for the elimination of vapors' escape in the motors of vehicles.

Palabras clave : coal; activation; adsorption; vapors; ammonia.

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