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Conference Proceedings

Tenth International Mining Geology Conference 2017

Conference Proceedings

Tenth International Mining Geology Conference 2017

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Washability modelling and estimation techniques used to improve coal handling preparation plant beneficiation

Predicting how coal seams will be beneficiated through the coal handling processing plant (CHPP) has long been challenging within BHP Coal. Various coal seams from different areas are mined and stockpiled separately, often depending upon a deleterious coal quality parameter; high/low trace elements for example. These stockpiles are then fed in different ratios into the CHPP to produce the desired product/s. In understanding the washability characteristics of the feed source, mine geologists and process engineers work together to improve the beneficiation of different coal materials through the CHPP.For the majority of the BHP Coal deposits, the washability data is available for the coal seams across the deposits. However, no previous standardised modelling and prediction technique existed that could ensure the correct information was available for forecasting and refining CHPP processes. This paper will discuss the steps undertaken to implement a geometallurgical prediction tool that simplified and streamlined the washability modelling and yield estimation process. The value realised to the BHP Coal assets resulting from this process was: improved compliance to plan increased throughput increased CHPP recovery through improved efficiencies and increased revenues._x000D_
CITATION:Handley, P J, 2017._x000D_
Washability modelling and estimation techniques used to improve coal handling preparation plant beneficiation, in Proceedings Tenth International Mining Geology Conference 2017, pp 327-336 (The Australasian Institute of Mining and Metallurgy: Melbourne).
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  • Published: 2017
  • PDF Size: 1.206 Mb.
  • Unique ID: P201707038

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