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Multi-purpose sorbent production by coal ash recycling

Journal: Mining of Mineral Deposits (Vol.10, No. 1)

Publication Date:

Authors : ; ; ;

Page : 77-82

Keywords : adsorption; carbon materials; filtration; waste treatment;

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Purpose. The main purpose of the work is to increase adsorption capacity of the carbon-containing sorbent. Methods. Adsorption and filtration processes were studied with the aid of chemical and physical methods, plotting of adsorption curves and their interpretation. Findings. The research resulted in the development of technology for obtaining effective multi-purpose sorbents on the basis of ash recycling, it also allowed to study changes in the coal structure, as well as the mechanism of wastewater purification and filtration by sorbents in conditions of thermal power plants. Originality. It consists in the study of the sorbent surface and the sorption mechanism defined by the particular sorbent. It is shown that the structure of sorbents comprises non-localized electrons which are elements of the graphite-ike carbon crystal mesh. Practical implications. Application of the carbon-containing sorbent can improve sorption properties and, consequently, improve the degree of waste water purification and increase the filtration rate. Compared with conventional sorbents, cleaning efficiency of the carbon-containing sorbent is increased by 20 ? 25% and the filtration rate has grown 2 ? 3 times.

Last modified: 2016-06-22 23:09:18