Surface miners offer considerable advantages in terms of both economic efficiency and the final product.
Investment in new coal-fired plants in China fell by 55% in 2017.
The money will be given to non-profit watershed restoration groups in Ohio, Pennsylvania and West Virginia.
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Uwe Konig, PANalytical, Netherlands and Katherine Macchiarola, PANalytical, USA, present the analysis of coal by x-ray diffraction (XRD).
Hans Christian Schröder, TÜV SÜD Industrie Service, Germany, explains how power plants are adapting to single-mill operations.
David B. Durocher, Eaton, USA, evaluates ways of increasing the effectiveness of protective devices in underground mining.
Ewelina Ptak, KH-KIPPER, Poland, outlines the distinguishing features of a new mining body for tipper vehicles.