The catalytic properties of Cu modified attapulgite in NH3–SCO and NH3–SCR reactions

Multipollutant Control (MPC) of Flue Gas from Stationary Sources Using SCR Technology: A Critical Review

“…However, little attention has been paid to the synergistic removal of NO x and excess NH 3 . A recent study has found that the NH 3 -SCO reaction is promoted in the presence of NO, which proved that under the condition of NO and NH 3 coexistence, the SCR reaction occurs first, with the temperature of this reaction being less than that of SCO . The possible reasons are as follows: the NH 3 -SCO reaction requires the oxidation of -NH 2 and -NH intermediates to NO, while the NH 3 -SCR reaction does not require this process.…”

Evaluation of the Behavior of Equilibrium Isothermes in Adsorption Processes Using Different Biomasses / Avaliação Do Comportamento Das Isotermas De Equilíbrio Em Processos De Adsorção Usando Biomassas De Diferentes Origens

“…Analisando os modelos apresentados na Tabela 5, nota-se o maior desvio relativo médio no modelo de Temkin, para a temperatura de 25 ºC. Este resultado indica que a interação eletrostática é um dos mecanismos de adsorção presentes no processo (Chen et al, 2019). O melhor ajuste do modelo de Temkin foi observado por Zaheer, Al-Asfar e Aazam (2019) ao estudarem a adsorção de vermelho de metila em nanocompostos.…”

Improvement of low-temperature NH3-SCR catalytic performance over nitrogen-doped MOx–Cr2O3–La2O3/TiO2–N (M = Cu, Fe, Ce) catalysts

“… 21 As active component, CuO could increase the redox ability in virtue of the poly-valent properties. 22 Donovan et al 23 found that titanium-supported Mn, Cr and Cu performed well at low temperature due to the increase of acid sites on the surface. Liu et al 24 prepared a series of La–Cu–Mn–O catalysts and found that La was conducive to the decrease in the size of Cu and Mn and preventing their agglomeration, enabling the enhancement in reducibility of the catalysts, which promotes the increase in exposed active sites.…”