Yuanhui Zhang (张源辉)

Yuanhui Zhang, PhD, PE, Innoventor Professor in Engineering,

Professor of Bioengineering; Mechanical Science Engineering;

    Civil and Environmental Engineering

Associate Head, Agricultural and Biological Engineering,

University of Illinois at Urbana-Champaign

Email: yzhang1@illinois.edu

　　Yuanhui Zhang, Graduate in 1978 from Shandong University of Technology, and earned MS and PhD in 1985 and 1989, respectively from University of Saskatchewan, Canada.  He is the Endowed Innoventor Professor in Engineering, and the Associate Head of Department of Agricultural and Biological Engineering.  He is also a professor of Mechanical Science Engineering, Civil and Environmental Engineering, and Bioengineering, at the University of Illinois at Urbana-Champaign. He is a registered professional engineer; a Fellow of American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE); a fellow of American Society of Agricultural and Biological Engineers (ASABE), the winner of 2008 Henry-Geise Award from ASABE.  His research areas include thermochemical conversion of biowaste and algae into crude oil, indoor air quality engineering and volumetric particle tracking velocimetry. He has published over 265 scientific papers and is the Author of a Textbook “Indoor Air Quality Engineering”.  Professor Zhang teaches at both undergraduate and graduate level courses including research methodologies for graduate students.

　　Presentation: Environment-Enhancing Energy –An Ultimate Substitute of Petroleum （讲座摘要：环境增值能源）
　　Abstract:  Energy, environment and economic development are among the greatest challenges in 21st century, especially for densely populated countries such as China.  How to continue improving our living conditions with limited energy resources?  How to protect our environment by reducing carbon emissions, and preserving our air and water resources?  How can we handle the magnitude and the multitude of these challenges?  Are you optimistic, or pessimistic, about the future of the world?  In this presentation, Professor Zhang offers his perspectives, based on his own research, on the issues of energy and environment, and their implications to our economic development and sustainability. 
　　Professor Zhang’ recent research is focused on ‘Environment-Enhancing (E2) Energy”.  Biowaste and algae are abundant resources that is recognized (DOE 1998) as biomass having the potential to ultimately replace petroleum.  E2-Energy first converts organic solids in animal, human and food wastes into biocrude oil via a hydrothermal Liquefaction (HTL); The nutrients in the original feedstock remain in the post HTL wastewater. These nutrient and wastewater can be used multiple times to grow fast-growing algae and capture carbon dioxide from the atmosphere; The algae biomass is fed back to the HTL process, as a sole feedstock or as an additive, to be converted into additional biocrude oil. In this way, nutrients in wastes are reused, carbon is captured, water is cleaned and biomass production is amplified to produce unprecedented amount of renewable biofuel.

　　张源辉，博士，注册工程师，美国伊利诺依大学工学院讲席教授（Innoventor Professor in Engineering），农业与生物工程系系副主任。

　　张教授1978毕业于山东理工大学，1985年和1989年分别获得加拿大萨斯卡切温大学农业工程系的硕士和博士学位。   张教授是美国伊利诺依大学工学院农业与生物工程系、机械工程系、土木与环境工程系和生物医学工程系的讲席教授，伊利诺依大学农业与生物工程系系副主任。   张教授是美国供暖、制冷与空调工程师学会会士，及美国农业与生物工程师学会会士，并获得2008年度的美国农业与生物工程师学会Henry Giese建筑与环境奖。   张教授的研究领域包括生物环境与生物能源科学与工程—主要领域是将生物废物和微藻用热化学方法转化成原油；室内空气质量的测试与控制 – 主要领域包括三维流场示踪粒子实时测量，空气动力学除尘。   张教授已经发表了265篇专业科学杂志论文、2部专著，其中《室内空气质量工程》一书已成为美国、加拿大、香港和韩国等多所大学的教材。  张教授讲授本科生和研究生的课程，以及研究生的研究方法论课程。

　　讲座：环境增值能源——石油的最终替代品
　　摘要：能源、环境和经济发展面临严峻挑战，尤其对于中国这样的人口大国更是如此。如何在能源资源有限的条件下继续改善生活条件？如何减少碳排放、不污染空气和水资源，并保护环境？我们该如何应对如此众多的挑战？对人类的未来你是持乐观、还是悲观的态度？张教授在这个讲座里给出了他的观点，基于他的研究，如何解决能源和环境，以及经济发展和可持续性的问题。
　　张教授近年来的研究重点是“环境增值能源”。生物废弃物和微藻是公认的含有丰富生物量的资源，具备潜力能够最终替代石油。环境增值能源最初是将动物、人和食物等废弃物，通过热化学作用，转化成为生物柴油，而有机原料里的营养素保存在热化学反应后的废水里。营养素和废水能被多次用来催生微藻并吸收大气里的二氧化碳，微藻生物量又作为唯一的或者附加的原料，反馈到热化学反应过程里，转化成为额外的生物柴油。采用这样的方法，水里的营养素被再次利用，碳被吸收，水变清洁了，生物量被充分开发，生产出前所未有的再生燃料。