Monitoring NH3 storage and conversion in Cu-ZSM-5 and Cu-SAPO-34 catalysts for NH3-SCR by simultaneous impedance and DRIFT spectroscopy
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- 作者：Peirong Chena ; b ; peirong.chen@ac.rwth-aachen.de" class="auth_mail" title="E-mail the corresponding author ; peirongc@outlook.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Johannes Simbö ; ckb ; cAuthor Vitae ; Simon Schö ; nebauma ; bAuthor Vitae ; Dieter RauchdAuthor Vitae ; Thomas Simonsa ; bAuthor Vitae ; Regina Palkovitsb ; cAuthor Vitae ; Ralf MoosdAuthor Vitae ; Ulrich Simona ; b ; ulrich.simon@ac.rwth-aachen.de" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Zeolite catalysts ; Ammonia sensing ; Ammonia storage ; Ammonium nitrate ; Intermediate ; Proton transport
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2016
- 出版时间：29 November 2016
- 年：2016
- 卷：236
- 期：Complete
- 页码：1075-1082
- 全文大小：1994 K
文摘
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Cu-SAPO-34 is more advantageous than Cu-ZSM-5 in NH3 sensing.
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Cu-SAPO-34 is more efficient than Cu-ZSM-5 to monitor NH3-SCR reactions below 350 °C.
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Cu-SAPO-34 and Cu-ZSM-5 perform similarly in the NH3-SCR monitoring at 450 °C.
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The formation of intermediates on both zeolites below 250 °C influences the NH3-SCR monitoring.