Coming clean the future of sewage treatment

BACK IN 2005, environmental biotechnologist Professor Mark van Loosdrecht unveiled a technology that appeared to have the potential to change the face of modern sewage treatment. Named after the Nereids ??? water nymphs from Greek mythology ??? the Nereda technology, according to its inventor, could make a huge difference to the impact of sewage treatment on the environment. Plant sizes would be reduced by three-quarters, while energy consumption could be cut by as much as 40 per cent.