Prof. Korneel Rabaey’s main research efforts are on resource recovery from wastewater, decentralized treatments, industrial liquid sidestreams and CO₂ streams from industry. Typically a combination of electrochemical and/or microbial approaches is used to achieve formation of added value products. He is currently leading several scale-up projects related to organics recovery, fermentation, CO₂ conversion to organics and sanitation in Indian slums.