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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472 EISSN: 1735-1472
Vol. 13, No. 3, 2016, pp. 803-812
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Bioline Code: st16076
Full paper language: English
Document type: Research Article
Document available free of charge
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International Journal of Environment Science and Technology, Vol. 13, No. 3, 2016, pp. 803-812
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Optimization of sulfur adsorption over Ag-zeolite nanoadsorbent by experimental design method
Bakhtiari, G.; Abdouss, M.; Bazmi, M. & Royaee, S. J.
Abstract
Environmental protection has mentioned the
need to cut out all of fuels sulfur compounds. One of the
most important processes that affect sulfur removal in
atmospheric condition is the interaction of liquid fuels with
solid sulfur removal adsorbents such as zeolites. To
investigate the nano-AgX-zeolite efficiency for the sulfur
adsorption process, a set of experimental tests was arranged
and conducted by Box–Behnken design software, in an
adsorption laboratory setup. The selected variables comprised
metal percent, adsorption temperature and calcination
temperature. The parameter levels were 0.5–10 %,
30–120 and 200–500 °C, respectively. The experiment
results were used to find the statistical model. The results
demonstrate that the sulfur concentration level is
48.36 ppm in the last product at 83 °C for adsorption
temperature, 5.53 % for metal percent and 436 °C for
calcination temperature in constant pH and constant process
time.
Keywords
Adsorption; Desulfurization; Experimental design; Zeolite; Synthesis
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