Polytetrafluoroethylene modifying: A low cost and easy way to improve the H2O resistance ability over MnOx for low-temperature NH3-SCR
Journal of Environmental Chemical Engineering, 2019•Elsevier
Herein, an easy and low cost way is proposed to improve the H 2 O resistance ability of MnO
x catalyst for low-temperature selective catalytic reduction (SCR), via PTFE modifying. The
introduction of PTFE to MnO x promoted more tightly packed nanowires, generating a more
hydrophobic surface. Mn-PTFE catalysts displayed H 2 O and SO 2 resistance, lowering the
probability of surface active sites being consumed. This work provides a new insight into the
design of novel Mn-based composite catalysts with H 2 O and SO 2 resistance ability, as …
x catalyst for low-temperature selective catalytic reduction (SCR), via PTFE modifying. The
introduction of PTFE to MnO x promoted more tightly packed nanowires, generating a more
hydrophobic surface. Mn-PTFE catalysts displayed H 2 O and SO 2 resistance, lowering the
probability of surface active sites being consumed. This work provides a new insight into the
design of novel Mn-based composite catalysts with H 2 O and SO 2 resistance ability, as …
Abstract
Herein, an easy and low cost way is proposed to improve the H2O resistance ability of MnOx catalyst for low-temperature selective catalytic reduction (SCR), via PTFE modifying. The introduction of PTFE to MnOx promoted more tightly packed nanowires, generating a more hydrophobic surface. Mn-PTFE catalysts displayed H2O and SO2 resistance, lowering the probability of surface active sites being consumed. This work provides a new insight into the design of novel Mn-based composite catalysts with H2O and SO2 resistance ability, as well as promoting practical applications of Mn-based catalysts in low temperature SCR.
Elsevier
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