Project 8.4.5 – Using GPR to Improve Rehab Soil Characterisation
Dr DG Patterson April 2020
R1500,00
Description
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R1500,00
Assessing the Ecosystem Processes of Ecological Infrastructure on Post-coal Mined Land
2017
Physical, chemical and biological sampling at two points on each of four Mpumalanga watercourses, with wetland functionality assessment and mitigation recommendations, for mine environmental and water managers.
What this report foundWatercourses on post mined land near Kriel showed deterioration in manganese, calcium, magnesium, sodium, total dissolved salts and sulphate, while other...
R1500,00
Watercourses on post mined land near Kriel showed deterioration in manganese, calcium, magnesium, sodium, total dissolved salts and sulphate, while other parameters stayed within drinking water standards. Aquatic invertebrate communities had suffered significant losses and two sites were classified as eutrophic. The water is not fit for human consumption or recreation, and a minimum 32 m buffer from wetland boundaries is recommended after earthworks.
Cleaning Near Moving Conveyors
2011
First phase of a two part investigation into conveyor cleaning practice at South African coal mines, covering the legal position, current mine practice and available machinery.
What this report foundConveyance legislation promulgated in 2008 and enforced soon after left the coal industry without a lawful way to clean near and under running conveyors.
R1500,00
Conveyance legislation promulgated in 2008 and enforced soon after left the coal industry without a lawful way to clean near and under running conveyors. The first phase defined the problem, recorded the cleaning practices mines already use successfully, and built a structured database of mechanised platform options worth pursuing. High risk areas remain drives, take ups, snub and tail pulleys and transfer points.
Dense-medium Fine Coal Processing: Tests Conducted at South Witbank Coal Mine
2003
Pilot scale dense medium testing on fine coal at a Witbank colliery after the plant was moved from an earlier site, with sampling, efficiency and magnetite results for plant designers.
What this report foundThe fine coal dense medium pilot plant was rebuilt at South Witbank Coal Mine and run on fine coal, with tests covering single, double and three stage...
R1500,00
200319 pages
The fine coal dense medium pilot plant was rebuilt at South Witbank Coal Mine and run on fine coal, with tests covering single, double and three stage processing, the effect of recirculating load, magnetite size and losses, separation efficiency and continuous operation. The fast screen could not deliver the required capacity and was replaced by dewatering cyclones to deslime the feed.