Innovative technology enabling selective removal of mercury from concentrated acids

Research Project, 2023 – 2025

Purpose and goal
The project will develop a prototype flow-reactor for a newly developed mercury removal technique, based on research at Chalmers University of Technology, for treatment of sulfuric acid produced in smelters. Sulfuric acid is the world´s most used chemical, and is produced as a byproduct in smelters. Mercury is a prioritized pollutant with devastating health effects in humans, and with no commercial solution available for mercury removal in concentrated acids, this project works to fill an important gap.

Expected results and effects
Our technique has the potential to drastically reduce the amount of mercury being spread through the value chain of sulfuric acid to other products that ultimately end up in the environment. We can offer the Swedish and international mining industry a unique opportunity to produce sulfuric acid with extremely low mercury levels, giving them competitive advantage. Our innovation can create economic and environmental benefits for Sweden, but also strengthen Sweden´s role as one of the leading countries in cleantech, green innovation and environmentally friendly mining industry.