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首页> 外文期刊>Energy Reports >Comparative study of low temperature denitration performance of Mn-Ce/ACFA-TiO2 catalysts under oxy-fuel and air-fuel combustion flue gases
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Comparative study of low temperature denitration performance of Mn-Ce/ACFA-TiO2 catalysts under oxy-fuel and air-fuel combustion flue gases

机译：氧燃料和空燃烟燃烧气体下Mn-Ce / ACFA-TiO2催化剂低温脱硝性能的比较研究

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摘要

Low temperature selective catalytic reduction (SCR) catalysts were prepared by using acetic acid modified fly ash (ACFA) and TiOsub2/sub with the loading of Mn-Ce. The powder catalysts were characterized by BET, XRD and SEM. The effects of Mn-Ce molar ratio on the NO conversion of SCR catalyst were investigated under different atmospheres of N 2 and COsub2/sub, respectively. The 8% Mn-Ce/ACFA-TiOsub2/sub catalyst with Mn-Ce molar ratio of 1:1 showed good performance of NO conversion at 300?°C, 84.28% in N 2 atmosphere and 74.29% in COsub2/sub atmosphere. N 2 O was observed in the experiments of 8% Mn/ACFA-TiOsub2/sub, 95.3 ppm in N 2 atmosphere and 103.6 ppm in CO 2 atmosphere, respectively.
机译：通过使用丙酸改性粉煤灰（ACFA）和TiO 2 加载Mn-Ce，制备低温选择性催化还原（SCR）催化剂。通过BET，XRD和SEM表征粉末催化剂。在N 2和CO 2 的不同气氛下，研究了Mn-Ce摩尔比的影响毫无催化剂的转化。具有Mn-Ce摩尔比的8％MN-CE / ACFA-TiO 2 催化剂，1：1的良好性能在300℃下在300℃下的转化率，84.28％，74.29％在CO 2 大气中。在8％MN / ACFA-TiO 2℃的实验中观察到N 2 O，分别在N 2气氛中为95.3ppm和CO 2气氛中的103.6ppm。

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