Application of Earth ion Exchange Technology to Convert Acid Mine Drainage From Exxaro’s Matla Mine Into Saleable Products
R1500,00
Description
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R1500,00
Hydrothermal Treatment of Coal Discards and Sewage Sludge for the Production of Advanced Materials
2023
Laboratory carbonisation tests on discard and slurry samples blended with sewage sludge, with the resulting chars tested as adsorbents for dissolved pharmaceuticals. For waste and water treatment planners.
What this report foundCo-treating coal discards with sewage sludge by hydrothermal carbonisation gave hydrochars with better physicochemical properties than treating either waste...
R1500,00
Co-treating coal discards with sewage sludge by hydrothermal carbonisation gave hydrochars with better physicochemical properties than treating either waste alone. The blended hydrochar reached a surface area of 20.35 m2/g and a pore volume of 0.38 cm3/g, and removed 97.19% of nevirapine and 93.32% of lamivudine from recycled water. Routes to activated carbon and hydrogen storage were also assessed.
Audit and Diagnostic Assessment of Productivity in Continuous Miner Sections
2003
Mine level study of the human and social influences on continuous miner section output, using interviews, focus groups, observation and work study at participating collieries, for mine managers.
What this report foundSection performance was limited by the will and motivation of the workforce, not by equipment, layout or technical competence, all of which were found sound.
R1500,00
Section performance was limited by the will and motivation of the workforce, not by equipment, layout or technical competence, all of which were found sound. Team based bonus payments were the strongest motivator and reinforced cooperation across shifts and functions, but dependence on bonus income to meet monthly expenses turned it into a source of stress. Recognition in front of colleagues and family motivated strongly.