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Author:

张铁军 (张铁军.) | 李坚 (李坚.) | 何洪 (何洪.) (Scholars:何洪) | 梁文俊 (梁文俊.) (Scholars:梁文俊) | 梁全明 (梁全明.)

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Abstract:

用浸渍法制备Sb-V_2O_5-TiO_2催化剂,在质量分数3%V_2O_5-TiO_2催化剂基础上,研究锑的负载量、焙烧温度对催化剂活性的影响。结果表明,锑的负载量为11%(质量分数),500℃焙烧的催化剂具有最佳的SCR活性,在进口浓度为0.07%NO_x、O_2体积分数5%、空速27 000 h~(-1)的条件下,170℃时脱硝活性可达92%。对催化剂进行H_2-TPR表征,发现锑修饰后的催化剂氧化能力增强,使催化剂效率上升。通过XPS和NH_3-TPD表征测试,催化剂表面的锑主要以五价的形式存在且随着锑负载量的增加催化剂表面酸性增强。考察SO_2和H_2O对催化剂的影响发现,加锑催化剂...

Keyword:

低温 抗硫 SCR 硫酸铵盐

Author Community:

  • [ 1 ] 北京工业大学区域大气复合污染防治北京市重点实验室

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Source :

燃料化学学报

Year: 2017

Issue: 06

Volume: 45

Page: 740-746

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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