Coaltech Research Association

Create Sedimentological and Structural Models to Assist in Identifying Geological Features That Impact on Mining

Regional geology mapped in three dimensions from borehole data supplied by three mining groups, built for mine geologists and planners assessing seam disruption before layout design.

by Mark Grodner | December 2001

What this report found

A three dimensional model of the northern Witbank and Highveld coalfield was built from more than 1100 borehole logs, with strata sorted into 13 major groupings and surface topography taken from satellite elevation data. It runs on open source visualisation software rather than a commercial package. Delays limited coverage to about a quarter of the coalfield.

R1500,00

Description

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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.

R1500,00

R1500,00

What this report found

Gas sampling on coal mine dumps found rehabilitation very effective at cutting emissions. Even incomplete rehabilitation held carbon dioxide below about 1 kg per square metre a year, against over 100 on unrehabilitated ground and as much as 7 000 where combustion was active, though burning areas were small. Sulphur oxides, nitrogen oxides, ammonia and methane were low.

BCI Chemical Research & Analysis – Potassium & Sodium

Jacques Magliolo

2011

Chemical market survey commissioned to price the by products of brine treatment, covering South African and global price levels for five salts and the sector outlook at the time.

What this report foundMarket prices are set out for sodium sulphate, sodium chloride, sodium nitrate, potassium nitrate and potassium chloride, in South Africa and abroad, as at...

R1500,00

R1500,00

Jacques Magliolo

What this report found

Market prices are set out for sodium sulphate, sodium chloride, sodium nitrate, potassium nitrate and potassium chloride, in South Africa and abroad, as at early 2011, with Chinese supplier quotes alongside United States averages. The work was done to test whether salts recovered from mine water brine could be sold at a worthwhile price.

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