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Dewatering fine-particle suspensions with direct current.
Sprute RH; Kelsh DJ
Fine Particles Processing Symp AIME 1980 May; 2:1828-1844
Slow-setting, fine-grained suspensions can often be dewatered and densified by applying direct current between buried electrodes. Although water removal rates and power expenditures depend on physical and chemical properties of the treated slurries, metal mine tailings from Idaho, Colorado, and Mexico have responded well in laboratory testing, as have 29 samples of ultrafine coal waste from mines in nine states. This Bureau of Mines report reviews field tests at two Idaho metal mines and describes the recent installation at the Henderson molybdenum mine near Empire, Colorado, and the treatment of coal sludge at a Clinchfield Coal Company preparation plant near Dante, VA.
Fine Particles Processing Symp., AIME
CO; ID; VA; WA
Page last reviewed: October 29, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division