Preparation of Fly Ash of Ekibastuz Coals for Subsequent Production of Alumina

Author:

Delitsyn L.M.1,Kulumbegov R.V.1,Popel O.S.1,Petropavlovskii K.S.2,Lobacheva L.V.2,Sulman M.G.2

Affiliation:

1. Joint Institute for High Temperatures of the Russian Academy of Sciences

2. Tver State Technical University

Abstract

Pre-processing of ash from coal power plants were carried out, which consists of its decarbonization and iron removal to produce a carbon concentrate with a carbon content of 71 % for reuse in the power sector and magnetite concentrate from flotation tailings as an additional raw material in ferrous metallurgy. The optimal consumption of flotation reagents and flotation duration were identified. To increase the concentration of iron intended for magnetic separation, desliming of flotation tailings was recommended.

Publisher

Kalvis

Subject

Management, Monitoring, Policy and Law,Pollution,Ecology

Reference9 articles.

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