Electrowinning: A Revolutionary Approach to Metal Extraction Electrowinning, also known as electroextraction, is a crucial process involving the electrodeposition of metals dissolved in water through leaching from ores. In recent times, a groundbreaking electrodeposition technology called cyclone electrodeposition has emerged, presenting distinct advantages in multi-metal purification and separation. This method finds wide application in extracting various metals, including copper, gold, silver, cobalt, nickel, and zinc, from acidic solutions like sulfuric acid, hydrochloric acid, nitric acid, and cyanide. Cyclone electrodeposition stands out by eliminating concentration polarization, a common issue caused by sluggish electrolyte flow, thanks to the high-speed motion of the electrolyte and electrode. In traditional electrowinning, the thickness of the diffusion layer is reduced, promoting mass transfer while minimizing ion exchange. This technique has been in use for over two centuries, experiencing a significant surge in copper production in recent years. However, it encounters challenges when extracting metals from solutions with low metal ion concentrations due to depletion of ions in the surrounding solution. To address this, turbulence in the medium becomes critical for enhancing mass transmission. Cyclones maintain a turbulent flow, ensuring rapid mass transfer, simplifying the process, and eliminating the need for recirculation in further processing. Notably, cyclone electrowinning technology enables the application of substantially larger current densities, resulting in highly efficient mass transfer and a significant increase in cathode production rates per square meter. This, in turn, leads to reduced capital expenses, making it an attractive choice for metal extraction. In summary, electrowinning continues to evolve with the advent of cyclone electrodeposition, revolutionizing the metal extraction process and driving new advancements in the field of resource recovery.