Pr Djafer BENACHOUR 
http://eng.univ-setif.dz/
Department of Process Engineering, Faculty of Technology, Ferhat ABBAS University SETIF- 1,Campus El Maabouda, Setif (19000) - Algeria.
Tel / fax + (213) 36 611154
Web site http://laboratoires.univ-setif.dz/L.P.M.A.M.P.M/, Algeria
