Phytomining and hyperaccumulation of constituents of potential concern that deem vegetation grown on rehabilitated soil or irrigated with mine water unsafe for use.
Coaltech Research Project E2020-3
By Wayne F. Truter, Ernestine Schmidhuber, and JW Hurter | October 2024
R1500,00
Description
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Alternative uses of coal in the production of advanced materials and lightweight products for the sustainability of the South African coal industry
2023
Desktop review commissioned to shape a five year coal processing research roadmap, covering rare earth recovery, carbon fibre, graphene, activated carbon and building products. For research planners.
What this report foundCoal can feed products well beyond combustion. The study sets out routes to rare earth elements held in particular seams, building materials made with carbon...
R1500,00
Coal can feed products well beyond combustion. The study sets out routes to rare earth elements held in particular seams, building materials made with carbon fibre and carbon char, coal foam and graphene composites, carbon black and activated carbon, including a coal derived activated carbon reported to hold four times the gas of compressed natural gas at lower pressure.
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
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.