Air Products’ Halia® Systems for Wastewater Treatment are an innovative wastewater treatment solution incorporating pure oxygen into exisiting activated sludge systems. It consists of oxygen supply either as liquid oxygen (LOX) or on-site generation plus oxygen injection and mixing equipment. Benefits of installing an Halia® aeration system include increased treatment capacity, reduced power use, VOC emission reduction and odor control. The system can be wet installed with minimal installation costs and utilizes existing infrastructure.