Biosorption of Cu2+ by immobilized microalgae using silica: kinetic, equilibrium and adsorption thermodynamic - Choi Jae Young; Lee, Hong Kyun; 심은정; Yun Hyun Shik; Do Hyeong Kim (Kangwon National University, Chonbuk National University, Korean Society of Environemtal Engineers, Donghae Sericite RIS Center)