Abstract
The destructive sorption of NF3 as a novel greenhouse gas on some metal oxides without water is an effective way for its destruction. In order to search for a highly active sorbent for NF3 destruction, here the AlOOH-coated carbon sphere (abbreviated as AlOOH/CS) was hydrothermally synthesized using carbon sphere (CS) self-made as template, subsequently the AlOOH/CS was coated hydrothermally by Mn(NO3)2 to form MnOx/AlOOH/CS and calcined to produce the Mn2O3/Al2O3 sorbents. The effect of hydrothermal temperatures and times of MnOx/AlOOH/CS precursors on the reactivity of derived Mn2O3/Al2O3 sorbents for NF3 destructive sorption was investigated. It is found that the sorbent optimized by one-step calcination of MnOx/AlOOH/CS synthesized hydrothermally at 160 °C for 3–5 h is evidently more active than that reported previously.
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