A comparative study of physico-chemical and catalytic characterization of M-modified SZ catalysts (M = Pt, Nb or Re) in n-hexane isomerization

作者：Zarubica A R; Boskovic G; Putanov P; Kostic D; Pohl M

来源：Journal of Optoelectronics and Advanced Materials, 2010, 12(5): 1183-1188.

• Isomerization of n-hexane
• Metal modifier
• Niobium
• Platinum
• Rhenium
• Sulfated zirconia

Three M-modified SZ catalysts (M = Pt, Nb or Re) are synthesized from Zr(IV)-alkoxide precursor and corresponded metal salts, and their physicochemical properties are correlated with activities in n-hexane isomerization reaction. Platinum performs a multifunctional role simultaneously stabilizing and promoting activity of the bare sulfated zirconia catalyst. The attempt of SZ-based catalyst modification by Nb and Re results in diminishing the catalytic efficiency. The key distinction in the resulted SZ-modification by concrete metal might be in different metal dispersion, being quite low in the case of two later catalysts. This implies the importance of metal precursor right choice, tailoring final catalyst properties.

• 出版日期2010-5