Aerobic Treatment Waste Water Activated Sludge Wastewater Treatment Plants Industrial Wastewater Treatment Water Treatment Aerobic Treatment ADI Systems Inc. - Industrial Wastewater Treatment - Ultra-High-Rate Anaerobic Reactors ADI has research facilities supported by a dedicated team of engineers and scientists. Research studies in anaerobic and aerobic Wastewater treatment can be conducted at ADIís laboratory (bench-scale treatability studies) or at a customerís job site (pilot-scale studies).