Affiliation: | 1.Vale Institute of Technology, Baventura da Silva, Belem, Para, 66055-090, Brazil ;2.Department of Environmental Engineering, Kunsan National University, Jeonbuk, 573-701, Republic of Korea ;3.Prometeo, SDIC, Secretary of Higher Education, Science, Technology and Innovation (SENESCYT), Quito, Ecuador ;4.Department of Mining Engineering, National Institute of Technology, Rourkela, Orissa, 769008, India ; |