“…Ratnasamy et al [31] has studied Ca-X and Na-X metal-exchanged zeolites in order to purify natural gas for Polymer Electrode Membrane (PEM) fuel cells. In addition to these zeolites, mixed metal oxides (Cu-Mn, Fe-Mn) supported on Al were examined.…”
Section: Zeolite X Exchanged By Ca and Namentioning
“…Ratnasamy et al [31] has studied Ca-X and Na-X metal-exchanged zeolites in order to purify natural gas for Polymer Electrode Membrane (PEM) fuel cells. In addition to these zeolites, mixed metal oxides (Cu-Mn, Fe-Mn) supported on Al were examined.…”
Section: Zeolite X Exchanged By Ca and Namentioning
“…As indicated in literature [42], zeolites, characterized by low cost and high selectivity, can be used in layered configurations to improve adsorption capacity for organic sulfur compounds removal. The study of zeolite ATZ activity towards DMS adsorption was presented in Section 3.1.5.…”
Section: Comparison Between Adsorbent Materialsmentioning
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