📝 What is flotation and how to optimize it? 📝 Flotation is a selective separation process by attaching water-repelling of hydrophobic particles to rising air bubbles to form a particle-rich froth on the suspension surface, which flows over the lip of the cell (Nguyen, 2007). 📝 For almost a century, flotation has served as the backbone of the mining industry. It has undergone substantial development in numerous other domains, including the recycling of wastepaper, water treatment, and the sepa