Coaltech Research Association

Current Science of Methane Fuelled Explosions and Best International Practice for Protection Structures

R.P.van Wyk

by R.P.van Wyk | May 2015

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Rehabilitation of Mined Land – Soil Compaction Alleviation

2011

Final report on mined land rehabilitation trials comparing pasture species and organic amendments on compacted mine soil against normal agricultural soil, for rehabilitation and pasture planning.

What this report foundExperimental studies tested ways to alleviate compaction on mine soils by combining mechanical treatment with organic material.

Intra-seam Sedimentological Controls on Coal Quality: 2 Seam, Witbank Coalfield

Mark Grodner

2003

Sub-seam mapping at an opencast colliery in the Witbank area, setting out a method geologists and resource estimators can apply to other seams.

What this report foundSub-seams within the No 2 Seam were characterised at a single test site using lithology, seam thickness, proximate analysis, petrography and geophysical logs...

The Estimation of Greenhouse Gas Emissions from South African Surface and Abandoned Coal Mines

2012

Direct sampling across burning, burnt out and rehabilitated dumps at surface mines covering just over half of national surface production, scaled to a national emissions estimate.

What this report foundGas sampling on coal mine dumps found rehabilitation very effective at cutting emissions.

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