WANG Jiu-Liang1**, LI Jian-Jun2**, LIU Jing-Yu1, ZHAO Guang-Hua1, XIN Zhen-Guo1
1. Department of Architecture and Environmental Engineering, Li Ren College, Yan Shan University, Qinhuangdao 066004,China;
2. Department of Chemical Engineering, College of Environment and Chemical Engineering, Yan Shan University, Qinhuangdao 066004, China