High solids concentration agitation for minerals process intensification

WU, J, Wang, S, GRAHAM, L, Parthasarathy, R and Nguyen, B 2010, 'High solids concentration agitation for minerals process intensification', AIChE Journal, vol. online, pp. 1-9.


Document type: Journal Article
Collection: Journal Articles

Title High solids concentration agitation for minerals process intensification
Author(s) WU, J
Wang, S
GRAHAM, L
Parthasarathy, R
Nguyen, B
Year 2010
Journal name AIChE Journal
Volume number online
Start page 1
End page 9
Total pages 9
Publisher American Institute of Chemical Engineers
Abstract By using mixing intensification involving high solids concentration as a means to achieve process intensification for the mineral process industry is discussed here. Improving agitator energy efficiency is essential for operating at high solids concentrations. It is shown that improved agitator energy efficiency can be achieved by removing baffles and using higher power number impellers at high solids loadings. Power consumption (50-80%) reductions were demonstrated in the experiments. It is also suggested that slurry stratification in tanks can be used to boost either solids residence time or slurry mass flow. Basic equations related to solids residence time and solids throughput are presented for guidance toward minerals process intensification. An example on doubling throughput via intensification is presented.
Subject Chemical Engineering not elsewhere classified
Keyword(s) mixing
process intensification
solids concentration
mixing
agitation
slurry tanks
mixing intensification
DOI - identifier 10.1002/aic.12468
Copyright notice © American institute of Chemical Engineers
ISSN 1547-5905
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