时间：2021年5月14日（周五）15:00~17:00
地点：安中多功能报告厅
报告人简介：林忠财(Ling Tung Chai)，马来西亚华裔，湖南大学土木工程学院教授, 青年海外高层次人才。曾在香港、英国和美国高校和研究院任职，专注于绿色建筑材料的研究，主要研究方向包括废弃物资源化、加速碳化等应用技术。承担科研项目10余项，包括国家自科、外专局、省重点研发计划（“一带一路”专项）、香港创新及科技局科研项目等。已在国际著名期刊Nature Sustainability等发表SCI论文100余篇（3篇入选ESI高被引，1篇为热点文章），SCI总引用3000余次，h-index为34。现任国际期刊ASCE《Journal of Materials in Civil Engineering》副主编及多个国际期刊编委和审稿人；现为香港混凝土学会Fellow，国际材料与结构研究实验联合会(RILEM)资深会员，美国混凝土学会（中国分会）理事，中国硅酸盐学会会员。中国高校首位荣获2020 RILEM授予的Robert L'Hermite奖章（设立于1967年，全球每年遴选一名杰出科学家），同年入选全球前2%顶尖科学家（职业生涯）。
Abstract: Sustainable construction via materials innovation and CO2 technologies has been gaining increased attention in recent decades, especially in light of emerging initiatives to reduce waste and CO2 emission. Wastes that are rich in calcium and magnesium could be a first-rate medium for CO2 sequestration to form thermodynamically stable carbonate minerals. The major practical applications of CO2-activated wastes include utilization as binders, granulated aggregates and compacts for paving or building purposes. In addition, discarded concrete waste (e.g. crushed aggregate and fines) can be enhanced by CO2 activation and reused in concrete construction to minimize the environmental impact during its life cycle. To further lower environmental issues associated with CO2, recent applications have focused on direct injection of CO2 into ready-mix concrete as well as using CO2 instead of water as activator for non-hydraulic carbonate binders. In this presentation, the progress in academic research of utilizing wastes and CO2 and their applications for use in construction industry will be introduced. Apart of the key advantages, the limitations restricting a larger scale application of the technologies and the trend for future development will also be discussed.
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