Abstract
The needles-like Co3O4 with micro nano structure was synthesized by hydrothermal method and calcination. After being modified by octadecyl mercaptan, it shows an ultra-high separation efficiency of more than 99.9% for Dichloromethane, 1,2-Dichloroethane and Trichloromethane oil/water mixtures. We believe this metal- based separation membrane will provide significant reference for further practical research. The Co3O4 with the needles-like micro nano structures is generated on stainless steel mesh by hydrothermal method and calcination, and then modified by octadecylmercapta(ODT), which changed Co3O4 structure from hydrophilic wettability to nearly superhydrophobicity. The Co3O4@SSM shows excellent heavy oil-water separetion eefficiency to three different kinds (dichloromethane, 1,2-dichloroethane and trichloromethane) of heavy oil/water mixture for 10 cycles.
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