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Special reports


Skimming the surface

Surface miners offer considerable advantages in terms of both economic efficiency and the final product.


Piece of cake

Matteo Goich, Matec, USA, outlines a waste water treatment solution for coal companies in pursuit of clean coal that uses a filter press and thickener method to produce a more environmentally-friendly cake byproduct.


US Department of Energy to fund six carbon capture technologies

The US Department of Energy hopes that the six projects will improve reliability and operational flexibility, reduce high capital costs, and reduce the high-energy penalty associated with operating existing carbon capture technology.


A touch of safety

In World Coal’s November/December issue, Tim Wylie, Ampcontrol, highlights the importance of controlling touch potentials in earth fault limited networks.


Getting dust under control

J.H. Fletcher has released a new dry scrubbing product to compliment its roof bolting product line.


Analysing coal with x-ray diffraction

Uwe Konig, PANalytical, Netherlands and Katherine Macchiarola, PANalytical, USA, present the analysis of coal by x-ray diffraction (XRD).


More flexibility in power grids

Hans Christian Schröder, TÜV SÜD Industrie Service, Germany, explains how power plants are adapting to single-mill operations.


Going underground

David B. Durocher, Eaton, USA, evaluates ways of increasing the effectiveness of protective devices in underground mining.