Yantai Jinpeng Mining Machinery Co., Ltd.I. Basic Principle of ... (Au(CN)2¯); δ----thickness of diffusion layer; CO----primary gold concentration; Ct----gold concentration after electrolysis ... Main equipment of this system includes desorption column, filter, electrolytic bath, circulating pump, electric heater, heat ... devices, close the inlet valve of the filter and the inlet valve of desorption column, ...