Adsorption of sodium oleate on coal surface with different oxidation degrees and its effect on flotation
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.125801
Abstract: Abstract As traditional hydrocarbon oils cannot interact effectively with oxidized coal surface, this paper studied the effect of sodium oleate (NaOL) on the flotation of coal with different oxidation degrees. X-ray photoelectron spectroscopy, ultraviolet spectrophotometer,… read more here.
Keywords: coal surface; surface; flotation; sodium ... See more keywords
Systematic exploration of quaternary ammonium salt adsorption on oxidized coal based on experiments and MD simulations
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.119434
Abstract: Abstract To explore the hydrophobic modification mechanism of quaternary ammonium salts on oxidized coal surface, the surface hydration of oxidized coal and the adsorptions of different quaternary ammonium salts on oxidized coal surface were investigated… read more here.
Keywords: quaternary ammonium; coal; oxidized coal; coal surface ... See more keywords
Effect of Nanobubbles on the Flotation Performance of Oxidized Coal
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DOI: 10.1021/acsomega.0c02154
Abstract: In this study, the effects of air bubbles and nanobubbles on flotation performance and kinetics of oxidized coal were investigated. The surface properties of the coal sample before and after oxidation were characterized by a… read more here.
Keywords: nanobubbles flotation; coal; oxidized coal; presence nanobubbles ... See more keywords
Preparation of Reusable Porous Carbon Nanofibers from Oxidized Coal Liquefaction Residue for Efficient Adsorption in Water Treatment
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16103614
Abstract: Porous carbon nanofibers are commonly used for adsorption processes owing to their high specific surface area and rich pore structure. However, the poor mechanical properties of polyacrylonitrile (PAN)-based porous carbon nanofibers have limited their applications.… read more here.
Keywords: adsorption; oxidized coal; porous carbon; carbon nanofibers ... See more keywords