A Amdro™ Amdro™ is a patented technology for desalination of acidic wastewater with high concentrations of metals and calcium salts. Membrane Filtration - reverse osmosis Athos™ Athos™ is a sludge hydrothermal oxidation (HTO) process that turns organic sludge with low dry matter into an essentially solid mineral. Sludge treatment M Multiflo™ Multiflo™ is a clarification process technology that covers a wide variety of applications. Adsorption - Extraction