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SKIPER学院(海外)名师讲堂第二十八讲暨海外人才走进科学院活动系列讲座
2013-06-19 |     【关闭窗口】
    

报告人:曾亮博士 美国 俄亥俄州立大学 化学工程专业

报告题目:Chemical Looping Process Development for CO₂ Capture and Carbonaceous Fuel Conversion

报告时间:2013年6月24日 (周一)下午14:00-16:00

报告地点:过程大厦308会议室

主持人:李松庚研究员

报告摘要:

Chemical looping processes offer a compelling way for effective and viable carbonaceous fuel conversion into clean energy carriers. The uniqueness of chemical looping processes includes their capability of low cost in-situ carbon capture, high efficiency energy conversion scheme, and advanced compatibility with state-of-the-art technologies. Chemical looping particle performance and looping reactor engineering are the key drivers to the success of chemical looping process development. The Ohio State University (OSU) has developedits unique moving-bed chemical looping technologies coupled with iron-based oxygen carrier particles capable of sustaining hundreds of redox cycles, which have the advantage of converting a variety of carbonaceous fuels, such as natural gas, coal and biomass, to electricity, H2, liquid fuels, or any combination thereof with zero to negative CO2 emissions. Specifically, two chemical looping processes are being developed and studied, the syngas chemical looping (SCL) and the coal direct chemical looping (CDCL) technologies. Two 25 kWthSCL and CDCL sub-pilot units have been successfully constructed and demonstrated at OSU, while a 250 kWth high pressure SCL pilot scale demonstration project was initiated for processing syngas to cogenerate pure H2 and sequestration-ready CO2 from a Kellogg Brown & Root gasifier at the National Carbon Capture Center. The combined SCL and CDCL operation time in the reactive conditions has well exceeded 850 hours. Multiple aspects of the OSU chemical looping development including the oxygen carrier properties, reaction mechanism studies, reactor design and modeling studies, the bench and sub-pilot scale process testing results, energy integration optimization, and techno-economic analyses will be discussed in this presentation.

 
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