铁基移动床化学链技术进展-化工学报.PDF

第65 卷 第7 期 化 工 学 报 Vol.65 No.7 2014 年7 月 CIESC Journal July 2014 铁基移动床化学链技术进展 许迪恺，Tong Andrew ，曾亮，罗四维，范良士 （William. G. Lowrie Department of Chemical and Biomolecular Engineering, Koffolt Labs, The Ohio State University, Columbus, OH 43210, United States ） 摘要：在日益增长的能源需求与日益严峻的全球气候变化带来的双重压力下，清洁、高效且经济的能源利用方法 显得尤为重要。将化学链概念用于传统化石能源的转化是一种前景广阔的新技术。化学链燃烧利用载氧体间接转 化含碳燃料，同时实现二氧化碳的捕集。俄亥俄州立大学研发了采用铁基载氧体和移动床反应器的化学链技术， 可实现天然气、煤、生物质等多种燃料向电力、氢、液体燃料等产品的零排放转化。目前，合成气化学链（syngas chemical looping, SCL ）和煤直接化学链（coal direct chemical looping, CDCL ）技术两套25 kWth 级小试装置已成功 运行总计超过850 h，一套250 kWth 级的高压SCL 装置即将投入示范运行。 关键词：碳捕集；化学链燃烧；化石能源；煤；铁基载氧体；移动床反应器 DOI ：10.3969/j.issn.0438-1157.2014.07.002 中图分类号：TQ 51 文献标志码：A 文章编号：0438—1157 （2014 ）07—2410—07 Development on iron-based moving bed chemical looping process XU Dikai, TONG Andrew, ZENG Liang, LUO Siwei, FAN Liang-Shih （William. G. Lowrie Department of Chemical and Biomolecular Engineering, Koffolt Labs, The Ohio State University, Columbus, OH 43210, United States ） Abstract: Driven by increasing demands for energy and concerns for climate change, more attention are paid to the development of clean, efficient, and economical technologies for energy conversion, among which chemical looping is considered as a promising alternative for fossil fuel conversion. Chemical looping processes enable highly efficient in situ CO2 capture in oxidation of carbonaceous fuels by making use of solid oxygen carriers. The Ohio State University (OSU) has developed a unique chemical looping technology utilizing iron-based o