The use of clinoptilolite and synthetic zeolites for removal of petroleum substances

Bandura L., Panek R., Franus W.

In the present paper the sorption of petroleum substances such as diesel fuels on zeolite beds was investigated. A natural occurring zeolite clinoptilolite, and mixtures of clinoptilolite and synthetic zeolites Na-P1 and Na-X type, in the ratio 3:1, were used in this study. Natural zeolite acquired from the mine tuffs in Sokyrnytsya (Ukraine). In order to obtain synthetic zeolites, F-class fly ash (Kozienice Power Plant, Poland) with sodium hydroxide was used and later it underwent the hydrothermal conversion. Two commonly used diesel fuels were chosen for this study; namely Verva On and Biodiesel. The zeolites were characterized with the use of X-ray fluorescence (XRF), scanning electron microscope (SEM), X-ray diffraction (XRD), and N2 adsorption/desorption isotherm. The results indicated that clinoptilolite could constitute a good sorbent for petroleum substances removal. Moreover, the addition of synthetic zeolites improved the sorption capacity of the zeolite beds. In this study, when 25% of synthetic zeolite was added to the clinoptilolite bed, the sorption capacity increased approximately two times.

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Bandura L. The use of clinoptilolite and synthetic zeolites for removal of petroleum substances / L. Bandura, R. Panek, W. Franus // Вісник Національного університету "Львівська політехніка". - 2014. - № 781. - С. 9-16.