Elessent Clean Technologies, MECS (former, Monsanto) is the global leader in sulfuric-acid technology, with over 650 customized plants worldwide.  MECS^® sulfuric-acid technology is used in the phosphate fertilizer, non-ferrous metals (leaching & smelting), oil refining, and general chemical industries for both on-purpose sulfuric-acid production and emissions control. With nearly 100 years of expertise, the MECS team brings best-in-class sulfuric-acid plant engineering, processes, energy recovery, and environmental technologies, as well as providing integrated specialty products and services to a wide range of industries.