The thesis describes experimental investigations on the reductive decomposition of three sulphide minerals, namely (a) stibnite (Sb2S3), a gold and silver bearing antimony sulphide; (b) galena (PbS), a mainly silver bearing ...

Zimbabwe has suffered electrical power shortages resulting in electrical energy imports rising to between 30% and 50% of total energy needs. Electricity generation capacity has stagnated at around 2000 Megawatts (MW) since ...

This paper discusses environmental issues in Africa and deals with the situation in Zimbabwe in more detail. Most people in Sub Saharan Africa live in the rural areas and make a living from agriculture and forest resources. ...

Artisanal gold mining is slowly adopting technology formally used in medium to large size mines and developing it into innovative, specialized equipment tailored to conditions pertaining to remote locations in Zimbabwe. ...

The creation of wealth through engineering poses many environmental challenges for mankind. Problems of acid rain, smog, diseases related to the use of hazardous substances in both industrialised and industrialising countries ...