B Biosep® / Neosep® Biosep® is an aerobic biological treatment process treating municipal and industrial effluents. Aerobic Wastewater Treatment O Opus™ The Opus™ technology is a proprietary Optimized Pretreatment and Unique Separation process for desalination of feed water with high concentrations of silica, organics, hardness, heavy metals, boron and particulates. Membrane Filtration - reverse osmosis