Fuel 217 (2018) 467–477 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Modiﬁed and ion exchanged clinoptilolite for the adsorptive removal of sulfur compounds in a model fuel: New adsorbents for desulfurization a a, b Milad Moradi , Ramin Karimzadeh , Elham Sadat Moosavi Faculty of Chemical Engineering, Tarbiat Modares University, Jalal Al Ahmad Highway, P.O. Box 14155-4838, Tehran, Iran Chemical and Materials Engineering, Buein Zahra Technical University, Buein Zahra, Qazvin, Iran GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this research, modiﬁed and ion exchanged natural clinoptilolite (CZ) were prepared for adsorptive de- Clinoptilolite sulfurization of refractory dibenzothiophene (DBT) and 4,6-dimethyl dibenzothiophene (4,6-DMDBT) sulfur Modiﬁcation compounds in a model fuel. For this purpose, H-form (H-CZ) and mesopore (meso-CZ) clinoptilolite were pre- Ion exchanging + 2+ pared and then ion exchanged with Cu and Ni cations. The raw and treated samples were characterized by X- Adsorptive desulfurization ray diﬀraction (XRD), X-ray ﬂuorescence (XRF), FTIR spectroscopy and N adsorption-desorption (BET) analysis. Dibenzothiophene The obtained surface areas of CZ, H-CZ and meso-CZ were 19.6, 249.71 and 194.65 m /g, and their obtained 3 2+ + total pore volumes were 0.0644, 0.1869 and 0.2404 cm /g,
Fuel – Elsevier
Published: Apr 1, 2018
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