1. School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, P. R. China
2. Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, P. R. China
3. Engineering Research Center of Seawater Utilization,Ministry of Education, Tianjin 300130, P. R. China
4. Tianjin Wochi Technology Co., Ltd, Tianjin 300399, P. R. China
5. GreenTech Enviromental Co., Ltd, Beijing 100102, P. R. China