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- 会议日期： 2018年5月27-29日
Biography: Dr. Bor-Yann Chen is a Distinguished Professor of Chemical and Materials Engineering (C&ME) Department, NIU. His Ph.D. degree was completed in Department of Chemical and Biochemical Engineering, University of California, Irvine in 1995. Prior to NIU recruitment in 1999, he worked as the National Research Council-awarded Research Associate in National Risk Management Research Laboratory, US Environmental Protection Agency, Cincinnati, Ohio. His research is specialized in Biomass-based Energy, Bioremediation Engineering, Bioreactor Engineering, and Environmental Toxicology. Due to his research achievements, he has received 4 times Professor Yen-Ping Shih Best Paper Awards in 2007, 2011, 2013 and 2016 from Taiwan IChE and was awarded as the Distinguished Professor via Taiwan MOST since 2011. He has published numerous peer-reviewed conference articles and >150 peer-reviewed SCI journal articles (e.g., https://www.researchgate.net/profile/Bor-Yann_Chen or http://www.sciencedirect.com/ for partial publications) and invited to have Plenary, keynote speeches in many International Conferences (e.g., CHEMBIO2016 at http://www.chembioeng.net/2016/keynotespeakers2#speaker1; YABEC 2016 (22nd Symposium of Young Asian Biochemical Engineers' Community) held in Kyushu, Japan on October 27-28, 2016).
Topic: Feasibility Study on Redox Mediator-Stimulating Bioenergy Extraction Using Edible Flora for Sustainable Applications
Abstract: This first-attempt study used extracts of appropriate antioxidant-abundant Camellia and non-Camellia tea and medicinal herbs as model ESs to stably intensify bioelectricity-generating performance in microbial fuel cells (MFCs). As electron shuttles (ESs) could stimulate electron transport phenomena by significant reduction of electron transfer resistance, the efficiency of power generation for energy extraction in microbial fuel cells (MFCs) could be appreicably augmented. Using environmentally friendly natural bioresource as green bioresource of ESs is the most promising to sustainable practicability. According to power-density profiles, supplement of Camellia tea extracts would be the most appropriate, then followed non-Camellia Chrysanthemum tea and medicinal herbs. As antioxidants could scavenge free radicals and active oxygen groups, their electrochemical characteristics were also closely related to electron transfer (ET) capabilities. Cyclic voltammetric analysis also indicated that several test extracts owned promising redox-mediating capabilities to be either antioxidants or ESs. In addition, antioxidant activities, total phenolic contents and power stimulating activities were all electrochemically associated. In particular, the extract of unfermented Camellia tea (i.e., green tea) was the most promising ESs to augment bioenergy extraction compared to other refreshing medicinal herb extracts. Due to abundance of polyphenolics, antioxidant potency of Camellia tea extracts directly determined their redox mediating characteristics to bioenergy recycling.
Biography: Dr. Boyun Guo is the director of the Center for Optimization of Petroleum Systems (COPS) of the Energy Institute of Louisiana (EIL) and professor in petroleum engineering at the University of Louisiana at Lafayette, U.S.A. He is also one of the Thousand Talents in China affiliated with China University of Petroleum-Beijing (2010-2015) and Southwest Petroleum University (2016-2020). He received his PhD degree in petroleum engineering from the New Mexico Institute of Mining and Technology, U.S.A. in 1993. His research interest is diversified including development of unconventional energy resources. Dr. Guo has completed numerous research projects sponsored by the U.S. federal and state governments, Nature Science Foundation of China (NDFC), and the oil and gas industry worldwide. He has published over 130 technical papers in professional journals and conferences and 10 books by professional publishers. Dr. Guo is an editor for several professional journals. He has received a number of awards from the oil and gas industry for his outstanding research work and services.
Topic: A New Method for Harvesting Natural Gas from Seabed Hydrates
Abstract: The gas hydrate deposits at seabed fall into a special category of gas hydrate resources. This study investigated technical feasibility of harvesting natural gas from seabed hydrates using a thermal method called Moving Riser Method (MRM). A mathematical model for heat transfer along the hose assembly in the MRM system was developed. Heat transfer from the injected hot water to the gas hydrate deposit was analyzed. The study concludes that with today’s pipe insulation technology water temperature drops only a few degrees from sea surface level to the seafloor level of 800m deep along an insulated vertical pipe. The injected water at seafloor level will be hot enough to dissociate gas hydrate. Gas production at commercial rate is achievable with affordable gas consumption rates to generate hot water. The level of gas production rate is proportional to the rate at which natural gas is combusted for hot water generation. The gas production to gas combustion ratio (PCR) is greater than 4. The PCR increases slightly with gas combustion rate. Even the gas production ship stays at the same location for over 40 hours, the water-hydrate boundary will still be within 0.9 meter of the hot water injection point. Therefore it is possible to use a gas collector of reasonable size (e.g., 2m in diameter) to gather all dissociate gas from the hydrate deposit. Result of this investigation shows that harvesting natural gas from gas hydrate at seabed with the MRM is technically viable, economically feasible, and environmentally safe.
Biography: Dr. Xinkui Wang was born in August 1977; she received her Ph.D. in Applied Chemistry from Dalian University of Technology in 2008. She studies design and synthesis of nano metallic catalystand and its application in CO2 catalytic conversion, NOx removal and selective hydrogenation of fine chemicals. More than 40 papers have been published in Nature Communications, Energy & Environmental Science, AIChE Journal, RSC advances, etc.
Topic: Selective Catalytic Reduction of NO by Propylene over Au-Pd Bimetallic Catalysts
Abstract: A series of Au-Pd bimetallic catalysts with different Au/Pd molar ratios were prepared by deposition-precipitation method. Their structural and electronic properties were investigated systematically using XRD, STEM and XPS spectroscopy, which showed that the Au-Pd bimetallic nanoparticles with size of 2-4 nm were highly dispersed on the γ-Al2O3 support, and a strong interaction existed between Au and Pd. In selective catalytic reduction of NO by C3H6, the Au-Pd bimetallic catalysts exhibited improved catalytic properties compared to the monometallic counterparts. For Au0.9Pd0.1/Al2O3 catalyst, its maximum NO conversion to N2 almost reached 50% at 400oC with 100% N2 selectivity, while for 1% Au/Al2O3 catalyst, the maximum NO conversion to N2 reached 42% at 450oC and it only reached 37% at 400oC. In addition, the Au0.9Pd0.1/Al2O3 catalyst possessed a good durability at high reaction temperature.