1. a Chemistry Department , Water and Environment Laboratory, University Chouaib Doukkali , El Jadida 24000 , P. O. Box 20 , Morocco
2. b Department of Chemical Engineering , National Technical University of Athens, Laboratory of Environmental Science , Zographou , 15700 , Greece
3. c Biology Department , BIOMARE Laboratory, University Chouaib Doukkali , El Jadida 24000 , P. O. Box 20 , Morocco