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中文摘要：
采用溶胶一凝胶法制备CuO／CuAl204氧载体，研究了该氧载体在N2气氛下的释氧性能，发现氧载体774℃时开始释氧，且随着温度的升高氧气含量不断升高。随后，在流化床反应器中研究了挥发分含量不同的6种煤焦的化学链氧解耦燃烧（chemicalloopingwithoxygenuncoupling，CLOU）特性，结果表明，挥发分含量的增加和温度的升高均会加速煤焦燃烧，煤焦中碳元素转化率达到95％所需要的时间随着挥发分含量及温度的升高不断减少，相应的碳的平均转化率也不断增加；然而，较高的挥发分含量和反应温度都会导致CO2捕集率的下降。对于挥发分含量低的高平煤焦和东欢坨煤焦，C02捕集率超过99％，而对于挥发分高的胜利褐煤焦，C02捕集率不足95％。
英文摘要：
Chemical looping with oxygen uncoupling （CLOU） has been considered to be very promising in carbon capture and storage strategy （CCS）, which utilizes gaseous oxygen released from oxygen carriers （a kind of metal oxide） to combust fossil fuels, producing nearly pure CO2 and capturing CO2 with low energy consumption. However, the carbon capture efficiency, fuel combustion efficiency and fuel conversion rate in CLOU are related with the type of fuel and the temperature of the reactor.
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