1. Department
of Environmental Engineering, Pusan National University, San 30 Jangjeon-Dong, Geumjeong-Gu, Busan 609735, Republic of Korea
2. Department of Environmental
Engineering, Chungbuk National University, Cheongju 361-763, Republic of Korea
3. Department of Environmental R&D group, Wels Korea, Ulsan 689863, Republic of Korea