Vibrant Roadheader Test Report – Brandspruit Colliery
R1500,00
Description
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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.
Coal Mine Acid Mine Drainage Treatment and Sludge Processing
2010
Laboratory evaluation of acid drainage treatment paired with thermal recovery of reagents from the resulting sludge, with capital and operating cost estimates for mine water planners.
What this report foundA modified alkaline barium calcium process was tested on coal mine acid drainage, using calcium hydroxide neutralisation, hydrogen sulphide metal removal and...
R1500,00
A modified alkaline barium calcium process was tested on coal mine acid drainage, using calcium hydroxide neutralisation, hydrogen sulphide metal removal and barium carbonate sulphate removal. Gypsum formation during water treatment fell by 80 per cent, cutting the sludge sent to costly downstream processing to a fifth. Temperature, reaction time, reagent ratios and feed particle size affected thermal treatment of the sludge.