Haodong Li1, Huiling Du1,*, Le Kang1, Yewen Zhang1, Tong Lu1, Yuchan Zhang1, Lan Yang2, Shijie Song2
Journal of Renewable Materials, Vol.11, No.12, pp. 4161-4174, 2023, DOI:10.32604/jrm.2023.028877
Abstract The large accumulation of coal gangue, a common industrial solid waste, causes severe environmental problems,
and green development strategies are required to transform this waste into high-value-added products. In this
study, low-cost ceramsites adsorbents were prepared from waste gangue, silt coal, and peanut shells and applied
to remove the organic dye methylene blue from wastewater. We investigated the microstructure of ceramsites and
the effects of the sintering atmosphere, sintering temperature, and solution pH on their adsorption performance.
The ceramsites sintered at 800°C under a nitrogen atmosphere exhibited the largest three-dimensional-interconnected hierarchical porous structure among the prepared ceramsites; further, it exhibited… More >
Graphic Abstract
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