The RES wet electromagnetic iron remover (model RES-350) has a demagnetising capacity of 5–7 m³/h, a total power of 15 kW and a magnetic field strength of 20000 GS. Using a high-gradient electromagnetic circuit for deep iron removal from slurries, it is mainly used to purify lithium carbonate, lithium hydroxide, ternary materials, lithium iron phosphate, lithium cobaltate, lithium manganate and boehmite for the lithium battery industry.