Abstract
The promotion of China’s coal gasification industry has produced highly yielded coal gasification slag. This research utilized the coal gasification fine slag as raw material and successfully synthesized a carbon–silica composite mesoporous material with a specific surface area of 500 m2/g and pore volume of 0.54 cm3/g by simple acid leaching technology. The influence of reaction conditions on porosity was discussed in detail, and the optimal sample was characterized by N2 adsorption/desorption analyzer, SEM, TEM and others. Also, by the methylene blue adsorption experiment, we confirmed that the maximum adsorption capacity of synthesized mesoporous material is 182.48 mg/g, showing that it can be envisioned as a competitive candidate for purification of textile industrial wastewater.
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