Due to the increasing eutrophication in China,harmful algae blooms often occur in water body periodically,which poses serious threats to drinking water safety. Using a strong ionization discharge technology at atmosphere pressure,·OH was used to remove algae bloom.Other conventional process such as coagulation,sedimentation and sand filtration were applied respectively in the Lianban Water Plant in Xiamen(China). The total reaction time required in the three water processes was only 4. 5 s. When the total r...