A Alizair™ The Alizair™ process avoid the propagation of odors and provide the operating agents with a healthy and safe environment Biogas and Odour Treatment Aquilair™ Aquilair™ is a chemical scrubber which transfers odorous molecules to an aqueous solution. 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