Bunn, TF, Jones, MG & Wheeler, CA 2010, 'Pumping power station ash as a high concentration slurry', in R Jewell & AB Fourie (eds), Paste 2010: Proceedings of the Thirteenth International Seminar on Paste and Thickened Tailings, Australian Centre for Geomechanics, Perth, pp. 515-527, https://doi.org/10.36487/ACG_rep/1063_46_Bunn (https://papers.acg.uwa.edu.au/p/1063_46_Bunn/) Abstract: Determining the pumping characteristics of a full scale power station ash disposal system is fraught with difficulties. This paper examines the pumping characterises of high concentration slurry comprising of a mixture of a power station ash and process water as determined using a rotary viscometer and small scale pumping test rig.