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The effect of activation and calcination conditions on the activities of Fe- and Mn-promoted sulfated zirconia (MFSZ) catalysts for the isomerization of n-butane at low temperatures (≤90°C) was investigated. Activation in air resulted in a higher activity of MFSZ than did activation in helium; this is in contrast to the situation for unpromoted sulfated zirconia (SZ) catalysts where the activation...
This work investigates the effect of preparative conditions of Fe‐ and Mn‐promoted sulfated zirconia catalysts on their activities for low‐temperature η‐butane isomerization. It was found that the active species on a promoted catalyst can be successfully regenerated in an oxidative treatment at 450°C after the catalyst was deactivated either during the reaction or under a high‐temperature treatment...
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