Surface deformation caused by shallow underground mining poses a risk to health and safety, as well as infrastructure and the environment. Azimuth is designed to detect, measure and monitor mining-induced surface deformation using state-of-the-art satellite imaging technology. The service...

During the refinement process, coal plants produce a fine coal that is often considered a waste product. Green Coal has two applications. Firstly, to produce briquettes from the fine coal which are suitable for industrial applications. Secondly, Green Coal can be purposed to absorbing harmful...

Cultural Practices Rendered Safe

Human Geophagia, a phenomenon widely practised especially in Africa, is the craving and deliberate ingestion of clayey soils. It is frequently practised by women and children to relieve hunger, supply nutritional deficiencies or as folk medicine. Geophagic...

Industrial Isotope Technology

Being able to ‘see’ into solid earth or walls allows detection of information that can prevent losses of expensive equipment and time in mining and industrial settings. Necsa offers process diagnostics services using gamma transmission scanning, neutron...

Activated Carbon: Local Production Using Local Nuts

The invention describes a novel method of producing activated carbon from locally available nut shells. The invention provides a method to carry out carbonation and physical activation simultaneously via a pyrolysis process. This process...

Coarse particle transportation is essential for moving slurries, or fluids containing very high concentrations of pulverised solids, for example, hydraulic transport of coal ore or waste materials. Due to a scarcity of water and a high concentration of the solid particles, pipe blockages are...

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