Affiliation: | 1.Department of Chemical Engineering, Birjand University of Technology, P. O. Box: 97198-66981, Birjand, Iran ;2.Department of Research and Technology, Kavir Tire Co., P. O. Box 518, Birjand, Iran ;3.Department of Chemical Engineering, University of Sistan and Baluchestan, P. O. Box 98155-987, Zaheden, Iran ; |