However, the O 1 s peak of Ce-Al-Ox catalyst also migrated to low electron binding energy compared with that of pure Al2O3, which was consistent with the peak of Al 2p. In other words, the existence of CeO bond changed the chemical environment of AlO. This rule could also be ...
After SO2 poisoning at 200 °C, the band intensity of both ZCu and ZCuOH decreased dramatically over CZ-S-200. This may be due to (1) the two Cu species being able to interact with SO2 and ZCuOH being more reactive with SO2 [14]; and (2) the two Cu species being partially ...
The maximum temperature of the molecular sieve fixed bed reaches 97 °C at 80 s when the flow rate is set to 2000 mL/min, which is 67 °C higher than the temperature without steam. The maximum temperature of the bed gradually increases with the increase in water vapor per unit of time...
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[16]. A clear increase of the amplitude peak height with increasing SO2gas concentration can be observed. A signal at 0 ppm SO2can be detected (Figure 6), which can mainly be drawn back to the stainless steel wall absorptions of the photoacoustic measurement chamber that generate a ...
(clear day, haze, and fog). The dataset from 1st December 2019 to 31st March 2020 over Nanjing, China, is used in this study. The results indicated that for HCHO, the optimal settings were in the 324.5–359 nm wavelength window with a polynomial order of five. At these settings, the ...
3.2.1. NBO and Charge Density Difference Analysis To shed light on the mechanism of H2S and SO2 interaction with the considered nano-cages, NBO analysis, as well as charge density difference (Δ𝜌Δρ) analysis, has been performed. Table 3 lists the atomic NBO charges, as well the elect...
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