受聘人：Dr. Winston Ho
Ph.D., Chemical Engineering, University of Illinois, Urbana, 1971；now, University Scholar Professor, in Department of Chemical and Biomolecular Engineering, Department of Materials Science and Engineering, The Ohio State University, USA.
Research Fields:
· Expert in molecularly based separations including definition of approaches, design of practical systems, scale-up and commercialization.
· Specialized in membranes and separations including polymer and liquid membranes, fuel-cell fuel processing and membranes, separations with chemical reaction, supported liquid membranes, reverse osmosis, gas treating, pervaporation, and facilitated transport.
受聘仪式后Prof. Winston Ho将做一场学术报告。
Title:
1. Recent Advances in Water Purification with Membranes
2. 俄亥俄州立大学研究生教育与招生情况介绍
时间：
地点：教十～4115
欢迎有兴趣的老师和同学参加！
材料与化学工程学院
2007.7.16
The Seminar Abstract：
This talk covers two areas of membranes for water purification: (1) the removal and recovery of heavy metals from waste waters by supported liquid membranes (SLMs) with strip dispersion and (2) interfacially polymerized reverse osmosis membranes. New membrane technology based on SLMs with strip dispersion for the removal and recovery of metals, including chromium, copper, zinc, strontium, and cobalt from waste waters has been developed. The technology not only removes the targeted metal in the treated effluent allowable for discharge or recycle, but also recovers the metal at high concentration and purity suitable for resale or reuse. In other words, the goals of zero discharge and no sludge have been achievable. The SLMs contain selected complexing agents/carriers for the facilitated transport of the target species. The stability of the SLM has been ensured by engineering the modified SLM with strip dispersion. For interfacially polymerized reverse osmosis membranes, the state-of-the-art membranes in the thin-film-composite (TFC) structure prepared by interfacial polymerization are reviewed and discussed. Recent developments have been on high flux TFC interfacially polymerized membranes. Both the processing steps in membrane formation consisting of glycerol dip and drying and the use of additives (monohydric phenols) in the aqueous amine solution during interfacial polymerization have improved water flux significantly. The high flux membranes can yield high water productivity.
