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Manganese dioxide-loaded activated carbon (AC) absorbents (MnO2/AC) were prepared and characterized by XRD, N2 adsorption–desorption, BET, and SEM. A mixture of H2S and N2 was used to evaluate the performance of absorbents in a fixed adsorption bed for H2S removal. Results show that the specific surface area decreased from 580.4 to 390.9 m2 g−1 with modification of manganese dioxide and the topography...
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