TECHNICAL PROGRESS REPORT DOE/PC/91164--T5 for theFifth Quarter DP.93 01 1447 (October 1, 1992 - December 30, 1992) DEVELOPMENT OF THE SELECTIVE HYDROPHOBIC COAGULATION PROCESS by R.-H. Yoon and G. H. LuttreU Virginia Center for Coal and Minerals Processing Virginia Polytechnic Institute and State University Blacksburg, Virginia 24061-0258 Contract Number: DE-AC22-91PC91164 project Manager: Richard Read U.S. Department of Energy Pittsburgh p.EnergYo. BoxTeChnologY10940 Center MASTER Pittsburgh, Pennsylvania 15236 DISTRIBUTION OF THIS DOCUMENT IS UNLIMI'I"ED