1. Department of Chemical Engineering; King Fahd University of Petroleum and Minerals; 31261 Dhahran Saudi Arabia
2. Department of Petroleum Engineering and Center for Integrative Petroleum Research; King Fahd University of Petroleum & Minerals; 31261 Dhahran Saudi Arabia
3. Center for Integrative Petroleum Research; King Fahd University of Petroleum & Minerals; 31261 Dhahran Saudi Arabia
4. Gas Processing Center; College of Engineering, Qatar University; PO Box 2713 Doha Qatar