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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于镍基修饰的铁矿石载氧体煤化学链燃烧实验
, PP. 267-272
Keywords: 化学链燃烧,铁矿石,载氧体,co2捕集,修饰
Abstract:
？使用1kwth串行流化床反应器,研究了以铁矿石为载氧体以及对铁矿石进行镍基修饰情况下煤化学链燃烧特性,对两种修饰方法(机械混合和浸渍)进行了对比评价。结果表明,铁矿石载氧体具有良好的反应性能和稳定性,是实现煤化学链燃烧的一种比较理想的载氧体。向矿石中机械添加少量nio/al2o3载氧体,能够有效改善其反应活性,提高系统co2捕集率;采用浸渍法修饰的铁矿石载氧体煅烧后,总体微观孔隙结构变差,导致煤气化产物与载氧体间的反应无法充分进行,系统co2捕集率显著下降。浸渍修饰的方法和过程需要进一步的研究和改善。
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