Metso Outotec introduces higher capacity Vertical Pressure Filter for optimized solids removal in aluminate solutions
Metso Outotec Corporation’s press release on September 22, 2021, at 09:00 a.m. EESTMetso Outotec is introducing the higher capacity Vertical Pressure Filter (VPF) for optimized solids removal in aluminate solutions. The VPF optimizes the removal of suspended solids before alumina hydrate precipitation, reducing entrained particulate concentrations in sodium aluminate solutions to a level of only a few milligrams per liter. “Filtration of supersaturated aluminate liquor is a vital step in the production cycle to meet the required quality standards for smelter grade alumina (SGA). The