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降低FCC再生烟气NOx排放助剂的实验室评价

Keywords: 催化裂化再生烟气氮氧化物助剂评价

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Abstract:

通过采用ACE装置与烟气NOx分析仪器联用的实验室评价方法,可在更接近实际催化裂化反应-再生过程的条件下,评价助剂对再生烟气中NOx的催化转化性能,同时还可考察助剂的加入对催化裂化产品分布的影响。采用该方法对几种降NOx助剂的性能进行了评价,结果表明,在催化剂体系中含有Pt基CO助燃剂的情况下,加入4%的RDNOx助剂后,烟气NOx降低幅度约30%~40%,且催化裂化产品分布基本不受影响。

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