Compressed air systems are one of the most significant energy users on mines, with a
contribution of about 20 per cent to the total electrical energy consumption on a mine …

Electricity consumption, and the cost thereof, has become a large contributor to operating
costs in deep-level mining in South Africa. Up to 60% of electricity used on deep-level mines …

Rising electricity costs affects the profitability of South African deep level mines.
Compressed air systems are some of the largest energy consumers on conventional deep …

Compressed air is a vital source of energy for deep mines. It is therefore alarming that leaks,
wastages, and losses are the highest contributing factors to the deterioration of compressed …

Mining makes a significant contribution to South Africa's economy (7.3% of the gross
domestic product) and provides direct employment to more than 450 000 people. The bulk of …

Underperformance of industrial DSM projects is often caused by a lack of proper
maintenance practices. This results in wasted electricity cost-savings opportunities and an …

Deep-level mines make use of energy intensive compressed air systems to supply energy
for underground mining equipment. These systems are complex due to large underground …

The global gold mining industry is currently on a growing trend, while the local gold mining
industry in South Africa has been experiencing a decline in gold production. This is due to a …

Eskom supplies electricity to South Africa, which experienced a capacity margin shortfall.
Energy savings companies (ESCOs) implement demand side management (DSM) initiatives …

Despite the high cost and low efficiency, compressed air is mostly used in underground
mining for ore extraction, hoisting, and mineral processing operations. Failures of …