A Aquilair™ Aquilair™ is a chemical scrubber which transfers odorous molecules to an aqueous solution. Biogas and Odour Treatment C Carix™ Carix™ is the only ion exchange process for drinking water softening without harmful regeneration chemicals. The exchanger resins are regenerated by the produced carbon dioxide. Softening H Hydrex™ Comprehensive range of water treatment chemicals to suit all water treatment needs. Sludge treatment