Constructing and synthesizing optimal Cu-BTC and its application in low-temperature denitration
Source abstract
Abstract
The low-temperature catalytic efficiency of the catalyst and poor sulfur resistance are the shortcomings of traditional catalysts, which greatly limit its industrial application. In this paper, Cu-BTC was successfully synthesized, and the influence of different temperature, molar ratio and time on its structure was studied, and then, it was applied to SCR low-temperature denitration. The physicochemical properties of catalyst were characterized by N2 adsorption–desorption, XRD, FTIR, TG, SEM, TPD, TPR and XPS. The results show that the molar ratio of substrate (Cu(NO3)2·3H2O) to ligand (1,3,5-trimellitic acid) was 1:1, synthesis time was 12 h, temperature was 120 °C and the Cu-BTC had the best structure, contained less impurity Cu2O and CuO and had high purity. The catalyst also showed the highest NH3-SCR activity, up to 83.87%. BET showed Cu-BTC had larger specific surface area. The stronger NH3 adsorption ability was found, which could be beneficial for SCR. It still showed high NO removal rate (as high as 78.34%) and good stability under the condition of SO2.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Catalytic Processes in Materials Science · Catalysts for Methane Reforming · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (39)
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