Abstract
A cheap and eco-friendly precursor, guanidine carbonate, is adopted for synthesizing g-C3N4. GC600 obtained by annealing treatment of the guanidine carbonate at 600 °C shows a worse Hg0 adsorption performance with mercury capture efficiencies below 45% at temperatures of 60–160 °C. Physical mixing of WS2 and GC600 seems to be a facile and effective modifying route. The mercury adsorption capability and acidic gas resistance of GC600 are notably promoted by doping with 10 wt% WS2. Near full mercury capture is observed for 10WS2/GC600 at 100 °C, which is almost impervious to the acidic gas constitutes (NO and SO2).
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