祝贺课题组硕士生苏钊的论文:Using Copper Ore and Hematite Fine Particles as Raw Materials of an Oxygen Carrier for Chemical Looping Combustion of Coal: Spray Drying Granulation and Performance Evaluation (一种以铜矿石和赤铁矿细颗粒为原料的煤化学链燃烧氧载体:喷雾干燥造粒与性能评价)被期刊Energy & Fuels收录。赵海波教授为通讯作者,苏钊为第一作者。
本工作以铜矿石和铁矿石细颗粒为氧载体,结合喷雾干燥造粒法,得到成本低廉且球形度良好的铜铁矿石复合氧载体颗粒。在批次流化床中针对温度、过氧系数、煤阶进行了燃烧性能测试,结果表明,此复合氧载体表现出良好的反应活性,在950 oC对烟煤的碳捕集效率为100%且具有良好的氧传递能力。SEM图片表明反应后的氧载体没有烧结现象发生,仍保持着良好的孔隙结构。另外,本文对原材料的成本进行了估算,每产生1千克活性氧大约需要原材料成本为22.54美元,相比昂贵的商业材料,此铜铁矿石复合氧载体具有明显的价格优势。本研究有助于高效批量开发低成本高性能氧载体。该工作受到了国家重点研发计划项目(2018YFB0605402)的资助。
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Figure 1. The instantaneous carbon conversion rate vs. the carbon conversion of Cu20Fe80 at different temperatures. Oxygen-to-fuel ratio: 2.5, fuel: SH bituminous coal.
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Figure 2. (a) Carbon conversion rate vs. time; (b) instantaneous carbon conversion rate vs. carbon conversion with different coal ranks. Reaction temperature: 950 oC, oxygen-to-fuel ratio: 2.0.
文章完整信息:
Su, Z.; Wang, Y.; Du, H.; Ma, J.; Zheng, Y.; Zhao, H., Using Copper Ore and Hematite Fine Particles as Raw Materials of an Oxygen Carrier for Chemical Looping Combustion of Coal: Spray Drying Granulation and Performance Evaluation. Energy & Fuels 2020, 34, (7), 8587-8599.
DOI: https://doi.org/10.1021/acs.energyfuels.0c01023
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https://pubs.acs.org/doi/full/10.1021/acs.energyfuels.0c01023