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.
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The authors wish to thank Chemistry Departments, Amirkabir University of Technology, Tehran, Iran, and Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran, for their assistance.
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Bakhtiari, G., Abdouss, M., Bazmi, M. et al. Optimization of sulfur adsorption over Ag-zeolite nanoadsorbent by experimental design method. Int. J. Environ. Sci. Technol. 13, 803–812 (2016). https://doi.org/10.1007/s13762-015-0910-2
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DOI: https://doi.org/10.1007/s13762-015-0910-2