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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于mnox-ceo2/ppsn的低温scr脱硝
, PP. 452-455
Keywords: 低温选择性催化还原,mnox-ceo2,pps,no脱除率
Abstract:
？采用超声法,将经400℃煅烧、锰摩尔分数为40%的mnox-ceo2负载到经硝酸处理后的聚苯硫醚(ppsn)滤料上,制备了mnox-ceo2/ppsn滤料。以氨气为还原剂,测试了mnox-ceo2/ppsn滤料低温scr过程中的催化活性,同时研究了催化温度、nh3体积分数、o2体积分数、催化剂负载量等因素对其no脱除效率的影响。研究发现,当mnox-ceo2负载量为296g/m2时,在催化温度130~160℃、nh3/no略大于1、o2体积分数约5%时,mnox-ceo2/ppsn滤料具有较高的no脱除效率。在催化温度、nh3体积分数、o2体积分数一定时,mnox-ceo2/ppsn滤料的no脱除效率随负载量的增大而增大。
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