2016 1(17)

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Shamray E.I.1, Taskin A.V.2, Ivannikov S.I.1, Yudakov A.A.1

1 Institute of Chemistry FEB RAS, Vladivostok, Russia
2 Far Eastern Federal University, Vladivostok, Russia


Shamray, E.I., Taskin, A.V., Ivannikov, S.I. and Yudakov, A.A., (2016) Integral processing of the operation waste produced by thermal power stations of Primorsky region, Modern Science: Researches, Ideas, Results, Technologies, Iss. #1(17), PP. 3 - 11. doi: 10.23877/MS.TS.25.001.


technogenic deposits of gold; wastes energy industries; ash and slag; complex processing of mineral raw materials; fine gold; iron concentrate; coal underburning


Ash dumps of thermal power plants of Russian Federation Far-east region were investigated. High concentration of Au and Ag were determined.
It was defined chemical and mineral content of waste samples from these ash dumps. Evaluation of possibilities of the ash dumps content integral processing was executed. It was shown that Au particles can concentrate in heavy and light non-magnetic fractions. It is shown that materials of the ash dumps separation processes can be used in different industrial applications.
Laboratory equipment for microdispersed concentrated Au extracting from the ash dump was developed. Economics advisability and perspective were defined.
It was shown that integrated processing of ash dumps with valuable and different useful mineral elements extracting decreases of payback period of technology implementation.


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