Experimental and Numerical Study of Multiphase Mixing Hydrodynamics in Batch Stirred Tank Applied to Ammoniacal Thiosulphate Leaching of Gold Journal title: Journal of Chemical Engineering & Process Technology Authors: Dmitry Vladimirovich Gradov, Gerardo Del Muro González, Marko Vauhkonen, Arto Laari, Tuomas Koiranen Subject(s): Thermodynamics, Engineering, Chemical, Polymer Science, Electrochemistry