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Vice Chancellor
University of the Philippines Los Banos


Dr. REX B. DEMAFELIS, is a Vice Chancellor for Research and Extension & Professor 10, Chemical Engineering Department, College of Engineering and Agro-industrial Technology, University of the Philippines Los Banos, College, Laguna. He completed his Doctor in Engineering from Tokyo Institute of Technology, Japan. He did his MSChE in 1990 from University of the Philippines Diliman. He did his BSChE (Cum laude) in 1984 from University of San Agustin, Iloilo City. Awards : 2014 UPLB Outstanding Senior Researcher in Natural Sciences, UPLB,2014 Alumni Achievement Awardee in Science and Technology, University of San Agustin Alumni Association (USAAA), 2013 Outstanding Professional of the Year Award, Professional Regulation Commission (PRC), 2013 Outstanding Chemical Engineer of the Philippines Award, Philippine Institute of Chemical Engineers, 2011 University of the Philippines Alumni Association (UPAA) Outstanding Alumni in Chemical Engineering

Research Interest

Plant, process and equipment design Design of Microbial Film Bioreactor for Industry, Physico-Chemical Methods of Purification and Recycling of Distillery Slops, Design, Fabrication, and Testing of Chemical Process Equipment, Design, Fabrication, and Testing of Countercurrent Mixed Flow Condenser, Feasibility Study for the Establishment of a Commercial Sweet Sorghum Plantation and a Sweet Sorghum Syrup Processing Plant in the Philippines.