Adaptation of minerals processing operations for lithium-ion (LiBs) and nickel metal hydride (NiMH) batteries recycling: Critical review

► LiBs and NiMH batteries currently share more than 80% of batteries market. ► Recycling of these cells is an environmental and economical necessity. ► Cost, inflexibility, and losses of valuables are the major recycling drawbacks. ► A flowsheet for recycling mixed stream LiBs and NiMH battery scrap was proposed. ► The economic effect of pre-treatment on battery recycling was evaluated.