To remedy China’s heavily polluted lakes (Chaoku Lake (13.000 km2): > 5 million algae particles/liter), the construction of sewage plants is gaining momentum. A team around Professor Chongzheng FAN of USTC has developed an undisclosed new nanomaterial (probably based on TiO2) which mineralizes algae at high efficiency

USTC press release, Sept. 11, 2013