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This document discusses improving the dewatering of coal tailings that contain swelling clays like montmorillonite. It examines how electrolyte concentration and ion exchange affect the rheological properties of tailings suspensions. Testing was done on actual mine tailings as well as synthetic clay dispersions. The results showed that controlling clay dispersion through a calcium electrolyte concentration above the level needed to prevent swelling and achieve full cation exchange led to dramatically improv

Author

Matias Jeldres Valenzuela

Language

EN