首页|FeMn/Al2O3 as a high-efficient and low-cost catalyst for chlorobenzene removal in a nonthermal plasma-catalysis reactor
FeMn/Al2O3 as a high-efficient and low-cost catalyst for chlorobenzene removal in a nonthermal plasma-catalysis reactor
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NSTL
Fe and Mn are the transition-metals that have advantages of low cost and easy availability.In order to high-efficient remove chlorinated volatile organic compounds(CVOCs),a series of high-efficient and low-cost FexMny/Al2O3 catalysts were synthesized by reflux-coprecipitation method,and the removal of chlorobenzene,a CVOCs model compounds,was studied in a nonthermal plasma coupled with FexMny/Al2O3 system at room temperature.The kinetic parameters of the chlorobenzene removal in the nonthermal plasma reactor coupled with FexMny/Al2O3 were obtained.Meanwhile,the reaction route of the chlorobenzene removal in the nonthermal plasma coupled with FexMny/Al2O3 reactor was revealed.The results indicated that the best conversion efficiency and the highest CO2 selectivity of the chlorobenzene removal in the plasma-Fe1M1/Al2O3 system were in sequence as 95.77% and 93.11%.Moreover,the positive synergy between the plasma and the FexMny/Al2O3 catalysts greatly reduced the activation energies of the chlorobenzene removal,and improved the chlorobenzene removal efficiency in the plasma-FexMny/Al2O3 system.Finally,the possible reaction routes of the chlorobenzene removal in the plasma-FeiMn1/Al2O3 system were proposed based on the intermediates identified by the GC/MS.
NSTL
