A 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 MemGas™ The MemGas™ membrane technology is a proven state-of-the-art technology for biomethane production. It is based on the permeability and selectivity of the membrane in respect to different gases. Biogas and Odour Treatment S Sulfothane™ Sulfothane™ is a desulfurization technology that cleans biogas for use as a sustainable, green energy source while recovering elemental sulfur compounds for reuse. Biogas and Odour Treatment