Composition, purification, and identification of carbon matter in coal-series kaolin by COD analysis
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DOI: 10.1007/s11164-018-3505-y
Abstract: Coal-series kaolin is a product of seam deposition in coal-accumulating basins and may contain rich reducing substances. Having high carbon matter content, the chemical oxygen demand (COD) of raw kaolin can range from 5000 to… read more here.
Keywords: coal series; matter; series kaolin; carbon matter ... See more keywords
Research on mineralogy and flotation for coal-series kaolin
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DOI: 10.1016/j.clay.2016.11.010
Abstract: Abstract The iron mineral was separated by froth flotation for the coal-series kaolin. The mineralogy of the coal-series kaolin was studied by several methods such as X-ray diffraction (XRD), X-ray fluorescence (XRF), particle size distribution… read more here.
Keywords: coal series; series kaolin; mineralogy; flotation ... See more keywords
Effects of carbonaceous matter additives on kinetics, phase and structure evolution of coal-series kaolin during calcination
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DOI: 10.1016/j.clay.2018.08.003
Abstract: Abstract In this study, the influence of carbonaceous matter on the kinetics, phase, and structure evolution of coal-series kaolin during the calcination process was systematically investigated. The pyrolysis characteristics were studied by thermogravimetric–differential-thermal-gravity–differential-scanning-calorimetry (TG–DTG–DSC), and… read more here.
Keywords: coal series; series kaolin; carbonaceous matter;
Cleaning and upgrading of coal-series kaolin fines via decarbonization using triboelectric separation
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DOI: 10.1016/j.jclepro.2019.04.329
Abstract: Abstract As an important non-metallic mineral, cleaning and upgrading of coal-series kaolin is significantly important to the subsequent processing and utilization. In the work, the triboelectric separation was used to remove the organic carbon from… read more here.
Keywords: coal series; triboelectric separation; series kaolin;
Leaching kinetics of iron from coal-series kaolin by oxalic acid solutions
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DOI: 10.5277/ppmp19092
Abstract: Removal of iron from coal-series kaolinite and its kinetics by chemical leaching were investigated in this paper. The optimal removal rate of iron reaches 29.09% (the content of Fe2O3 decreased from 0.55 to 0.39%) under… read more here.
Keywords: coal series; series kaolin; iron coal; iron ... See more keywords