A Zero-Wastage Approach to Benchmark Compressed Air Systems on Platinum Mines

Marais, R.F.; Joubert, H.P.R.; Rensburg, J. F. van; Pascoe, Bertie

doi:10.52202/066390-0032

33rd Annual Southern African Institute for Industrial Engineering Conference (SAIIE33) 2022

DOI: 10.52202/066390-0032

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A Zero-Wastage Approach to Benchmark Compressed Air Systems on Platinum Mines

R.F. Marais

H.P.R. Joubert

J. F. van Rensburg

et al.

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2024

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A Comparative Analysis of Deep-Level Mine Water Wastage Identification Techniques

le Roux,

van Laar,

Schutte

2024

Mining, Metallurgy & Exploration

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Highly energy-intensive systems prone to wastage are significant causes of unnecessary energy losses in industry. Deep-level mine chilled water reticulation systems fall within this category of inefficient energy-intensive systems. Some techniques (measured baselining, zero-waste baselining, leak detection, and control valves) exist to identify and reduce wastage in mine water reticulation systems. However, these techniques have not been compared, which begs the question of which is more accurate. A need, therefore, exists to compare these methods to determine the effectiveness of each. This study investigates each method and applies them to a case study mine, providing a platform for comparison. These methods identified wastage ranging between 2 and 20 l/s (3–30% of water consumption). The comparative effectiveness of the methods from best to worst was found to be zero-waste baselining, leak detection, control valves, then measure baselining. This study proposes an application procedure combining the considered methods to identify and eliminate wastage on deep-level mine systems more efficiently.

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A Comparative Analysis of Deep-Level Mine Water Wastage Identification Techniques

le Roux,

van Laar,

Schutte

2024

Mining, Metallurgy & Exploration

View full text Add to dashboard Cite

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New Accountability Approach: Utilising Dynamic Zero-Waste Baselines to Mitigate Water Wastage in Gold Mines

Jordaan,

van Rensburg,

du Preez

2024

Mining

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The South African gold mining industry requires complex water reticulation systems to deliver chilled water to underground production areas. However, chilled- and service-water wastage, including leaks and misuse, contribute to approximately 50% of the total chilled-water demand. The current inefficiency detection methods rely on broad, infrequent, and labour-intensive work, focusing only on identifying and quantifying wastages without comprehensive mitigation strategies. This study aimed to develop a novel accountability framework employing dynamic zero-waste baselines to identify and address inefficiencies closer to active working areas. The proposed method incorporates four key components—define, assess, execute, and communicate—into an accountability system to monitor performance and ensure sustainable improvements. The integration of dynamic zero-waste baselines within this accountability framework will ensure faster and more accurate inefficiency detection and, more importantly, the mitigation thereof, significantly reducing water wastage. This study successfully reduced the daily water wastage, with an annual energy cost benefit of approximately USD 1.6 million (ZAR 28.7 million). The successful implementation of this method met all the research objectives, confirming its effectiveness.

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A Zero-Wastage Approach to Benchmark Compressed Air Systems on Platinum Mines

Cited by 2 publications

References 0 publications

A Comparative Analysis of Deep-Level Mine Water Wastage Identification Techniques

A Comparative Analysis of Deep-Level Mine Water Wastage Identification Techniques

New Accountability Approach: Utilising Dynamic Zero-Waste Baselines to Mitigate Water Wastage in Gold Mines

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