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The use of reduced graphene oxide (rGO) as a novel support for the CuO-ZnO-ZrO2-Al2O3/rGO (CZZA/rGO) catalyst in forming methanol by carbon dioxide hydrogenation has been studied herein. Furthermore, the CuO-ZnO-ZrO2-Al2O3 (CZZA) catalyst was also prepared to compare catalytic performance. The catalysts were characterized using BET specific surface area, X-ray diffraction (XRD), H2-temperature-programmed...
Batch adsorption equilibrium experiments and continuous flow breakthrough experiments were conducted to compare the effectiveness of 7 granular activated carbons (GACs) in removing trichloroethylene (TCE) from groundwater. The order of GACs' adsorptive capacities for TCE was in the same order of their phenol numbers (indicator for internal surface of <;1 nm micropores). A small amount of methanol...
The batch and dynamic adsorption of powdered activated carbon (PAC) as an adsorbent to eliminate the PFOA from the water for reuse has been studied. The first 100 mL influent (0.5 mmol/L) was totally adsorbed (100%) and more than eighty percent adsorption of PFOA was observed in the next 101-230 mL influent. The static adsorption capacity and the breakthrough capacity were 104.6 mg/g and 95.22 mg/g...
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