Dr. YOUNES ABROUKI, Faculté des Sciences et Techniques, Université Hassan II Mohammedia, Mohammedia, Morocco
E-mail: younesabrouki@gmail.com

Dr. Karthik Rajendran, Swedish Centre for Resource Recovery, Sweden
E-mail: kara251088@outlook.com

Dr. C. JAYAKUMAR, Department of Applied Science and Technology, Alagappa College of Technology, Anna University, India
Email: c_jayakumar71@yahoo.com