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【能机学院】Current Research on Cenospheres from Fly Ash

讲座标题:【能机学院】Current Research on Cenospheres from Fly Ash

主讲人: Sorachon Yoriya

讲座时间:2019-09-06 10:00:00

讲座地点:临港校区学术楼201报告厅

讲座语言:英文

主办单位:能源与机械工程学院


讲座内容:

Fly ash is one of the by-products from combustion process in the coal-fired power plant. The hollow structured cenospheres are known as a value-added component mixing in fly ash, even in a slight amount but considerably significant in value. Cenospheres have high intrinsic properties such as lightweight, chemically inert, high thermal stability, and good flowability, thus offering a variety of uses in many applications such as the additive in composites and polymers, refractory bricks, automotive parts, and construction. This talk will cover an overview of cenospheres material including their potential applications as cenospheres are commercial product, and the process how to obtain cenospheres from fly ash. The most common process to separate cenospheres is wet separation, with its mechanism based on the density difference mechanism. With an environmental concern, the dry separation process has been developed as the mechanism is strongly dependent upon the centrifugal air classifier mechanism at which the particle size relating density is considerably important to improve the separation efficiency.

With an aim to respond to the industrial expansion of cenospheres utilization, our work focuses on the study of cenospheres separation from lignite Class C fly ash, and this talk will cover a particular basis on the facile wet separation process. Herein class C fly ash from Mae Moh power plant in Thailand has been subject to wet separation via sink-float method to recover cenospheres from fly ash. Approaches to improving cenospheres separation efficiency have been examined, combining with an understanding the material properties in terms of physical property, morphology, and chemical composition. The Talk will also cover the up-scaling potential of the separation processes, which is the current research going on with the thermal power plant in Thailand.



主讲人概况:

Dr. Sorachon Yoriya received her BS and MS degrees both in Chemistry from Chiangmai University, Thailand, and her PhD in Materials Science and Engineering from The Pennsylvania State University, USA in December 2010. Then Dr. Yoriya returned to Thailand and since then has started her work as researcher at the National Metal and Materials Technology Center (MTEC), National Science and Technology Development Agency (NSTDA), Thailand. Now Dr. Yoriya is a Senior Researcher in Ceramics Engineering lab, Ceramics and Construction Materials Research Group, working on a wide range of projects and applications based on the background expertise on chemistry and materials science and engineering. Dr. Yoriya has made significant contributions to the electrochemical nanostructure synthesis, discovery, process development, characterization and understanding of the fundamental growth mechanisms of titania nanotube arrays, based on her productive and consistent publications during the past years. In 2012, Dr. Yoriya has received the PhD Dissertation Excellent Award awarded by the Office of The National Research Council of Thailand (NRCT) and the Outstanding Researcher Award in the 3rd World Materials Research Institutes Forum (WMRIF) Workshop for Young Scientist. In 2013, she has received the national award, 2013 Fellow for Women in Science in Materials Science awarded by L’OREAL (Thailand) Ltd. and The Thai National Commission for UNESCO, Bangkok, Thailand for her significant contribution in the materials science field. She is a co-inventor for the sputtering machine invention and got Bronze Medal Award from the 42th International Exhibition of Inventions of Geneva, Switzerland. In 2016, Dr. Yoriya was an only researcher invited by Office of the Education Council, Ministry of Education, Thailand to do filming in the Inspiring Science Programme: Inspiring Science: Building Thailand’s Future by Al Jazeera (www.aljazeera.com), broadcast worldwide in many countries under Aljazeera TV and internet networks.

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