Now showing items 1-2 of 2

    • Enhancement of bio-methane production by lignocellulose substrates 

      Mliswa, Vuyo; Marx, Sanette; Chiyanzu, Idan (ETA-Florence Renewable Energies, 2015)
      In this study, water hyacinth, sweet sorghum bagasse and amaranth stems were used in a pig manure matrix to produce biogas with a high methane content. The anaerobic digestion was monitored over a period of 40 days, after ...
    • Laboratory scale testing and modelling of sub-surface wetlands to reduce sulphate 

      Meyer, M.J. (North-West University, 2018)
      Water quality impacts related to coal mining are mostly caused by exposing sulphide bearing minerals, such as pyrite, to oxygen and water. The oxidation of sulphide bearing minerals produces acid, metals, trace metals, and ...