Raw Material: Spent gold leaching solution (cyanide-based)
Gold Concentration in Solution 2-5 ppm
Final Product: Regenerated cyanide solution & precious metal sludge
Recovery Rate: 96% (cyanide regeneration)
Capacity: 200 tons per day
Work Scope: EPC (Engineering, Procurement, Construction), Commissioning & Training
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Spent solution collection and preliminary filtration to remove solid residues
Heavy metal precipitation with zinc sulfate, followed by thickener and filter press for solid-liquid separation
Activated carbon adsorption column for residual gold recovery from regenerated solution
Sludge dewatering using membrane filter press for dry, stackable cake
Integrated PLC control system for process monitoring, safety interlocks, and data logging
pH adjustment system using sulfuric acid and caustic soda for optimal reaction conditions
Cyanide regeneration via AVR (Acidification-Volatilization-Reneutralization) process:
Regenerated cyanide solution storage tank with concentration monitoring and automated dosing system
Ventilation and HCN gas scrubbing system for workplace safety
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3000 TPD Gold Flotation Project in Shandong Province
2500TPD Lithium Ore Flotation in Sichuan
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