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https://doi.org/10.1039/ft9969204331

has been cited by the following article:

• TITLE: The NOx Storage and Desorption Activity of Mg/Al/Cu-NH3·H2O Hydrotalcites at Low Temperature

  AUTHORS: Chunyana Liu, Weijun Liu, Liwen Wang, Yuyingnan Liu, Chuan Yang, Fengbai Zhang, Shuhua Zhang

  KEYWORDS: Hydrotalcites, NOx Storage and Desorption, TG and DTG Analysis, FT-IR Characterization

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.5 No.5, September 25, 2017

  ABSTRACT: Ammonium containing catalyst Mg/Al/Cu-NH3·H2O hydrotalcite (HT) is prepared via co-precipitation, which is effective for NOx storage under 160℃. XRD and FT-IR are employed to characterize its structure and show that ammonium is successfully incorporated into HT. Meanwhile, the HT still retains the typical structure of hydrotalcite-like compounds. NOx storage activity tests indicate Mg/Al/Cu-NH3·H2O HT shows the significant NOx removal activity at 156℃ with a little Oxygen existence. TGA and DTG reveal the reaction of the released ammonium with NOx and storage NOx as nitrates will be responsible for the high NOx storage activity. Additionally, the temperature programmed desorption test of NOx adsorbed sample under 175℃ proves NOx is stored successfully into Mg/Al/Cu-NH3·H2O HT further.