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8 results for “NH3-SCR”
Effect of Textural Properties and Presence of Co-cation on NH3-SCR Activity of Cu-Exchanged ZSM-5
<p><strong>Description of the dataset: </strong></p> <ul> <li><strong>Data type</strong>: Experimental spectroscopic measurements, computer simulation and analysis</li> <li>Files are with filename extensions: <strong>DSC</strong>, <strong>DAT</strong>, <strong>m</strong>, <strong>txt</strong></li> <li>Information on <strong>origin of the data</strong>:</li> </ul> <ul> <li>EPR spectroscopic measurements with filename extensions <strong>DSC</strong>, <strong>DTA.</strong></li> <li>EPR spectroscopic simulation and analyses with filename extension <strong>m</strong>.</li> <li>EPR spectra are exported as <strong>txt</strong> files in ASCII format.</li> </ul> <ul> <li>X-band CW-EPR spectroscopic measurements were generated by EMX spectrometer equipped with SHQ cavity produced by Bruker.</li> <li><strong>If t</strong> <ul> <li>Files in <strong>PARACAT_WP3_20210721_01_CW_Experimental</strong> folder includes X-band CW-EPR spectroscopic measurements; original data are in DTA/DSC and txt. formats.</li> <li>Files in <strong>PARACAT_WP3_20210721_02_CW_Simulations</strong> folder includes computer simulations/analyses of the EPR measurements; data are in m and txt formats.</li> </ul> </li> <li><strong>Information on</strong>: <ul> <li>specialized abbreviations: <strong>EPR</strong> – Electron Paramagnetic Resonance, <strong>CW</strong> – Continuous Wave EPR, <strong>exp </strong>– experimental data, <strong>hyd </strong>– cw-EPR spectra related to hydrated state, <strong>dehyd </strong>– cw-EPR spectra related to the dehydrated state, <strong>sim </strong>– simulation data. <strong>Sys </strong>– copper species used for constructing the spin-Hamiltonian in EPR simulations.</li> <li>definitions of variables: <strong>Magnetic field, Temperature.</strong></li> <li>units of measurement: <strong>Gauss (G), K, degree (°), milliTesla (mT)</strong>.</li> </ul> </li> </ul>
Nanosized Cu-SSZ-13 and Its Application in NH3-SCR. Dataset related to publication. Version: 1
<ul> <li><strong>Data type</strong>: tabular data, experimental measurements.</li> <li><strong>Data format</strong>: plain text (.txt), Bruker data (.spc and .par), Origin data (.opju)</li> <li><strong>Origin of the data</strong>: <ul> <li>Experimental spectroscopic measurements</li> <li>Computer modelling</li> </ul> </li> <li>The data were generated by a Bruker EMXmicro X-band spectrometer purchased on 2008</li> <li><strong>Information on data collection and elaboration</strong>: After collecting the data from the spectrometer, they were processed and analysed by using the Easyspin toolbox. Therefore the plain text data obtained from Easyspin were elaborated on Origin software.</li> <li><strong>Availability of the tools used to elaborate the data:</strong> Easyspin (5.2.28) and Origin 2019 software are required to read part of the data. The former is an open-source MATLAB toolbox (link to download it: http://www.easyspin.org/). The latter requires a license. The link for acquiring the Origin license is: https://www.originlab.com/index.aspx?go=Purchase/PricingAndOrdering&pid=1780 </li> </ul>
Elucidating the reaction mechanism of SO2 with Cu-CHA catalysts for NH3-SCR by X-ray absorption spectroscopy
<p>Dataset related to the article with the same title and authors:</p><p>https://pubs.rsc.org/en/content/articlelanding/2023/SC/D3SC03924B#fn1</p><p>dat files corresponding to the spectra reported in the article. See the article for the description of the procedures and of high and load loading catalysts</p><p> </p><p> </p>
Mechanism for SO2 poisoning of Cu-CHA during low temperature NH3-SCR
<p>Dataset related to the article with the same title and authors:</p> <p><a href="https://www.sciencedirect.com/science/article/pii/S0021951722005255">Mechanism for SO2 poisoning of Cu-CHA during low temperature NH3-SCR</a></p> <p> </p> <p>The zip file contain selected structures and a README.txt file with additional information.</p> <p> </p>
Data from: Enhanced low-temperature NH3-SCR performance of Ce/TiO2 modified by Ho catalyst
Holmium was used as a dopant to boost the low-temperature NH3-SCR performance of Ce/TiO2 catalyst. It was ascertained that certain amount Ho-doping species could exceedingly improve the low-temperature SCR activity under 60,000 h-1 of Ce/TiO2, accompanied with the improvement of tolerance to H2O and SO2 at 200 ℃. Characterization results manifested that Ho modification could not only result in inhibiting the growth of TiO2 crystals and the enlargement of surface specific area but also lead to the enhanced redox ability and the increased amount of surface adsorbed substances, all of which could promote the low-temperature NH3-SCR performance of Ce/TiO2.
Data from: Enhanced low-temperature NH3-SCR performance of Ce/TiO2 modified by Ho catalyst
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Data from: TiO2–SiO2 supported MnWOx catalysts by liquid-phase deposition for low-temperature NH3-SCR
NH3-SCR is an environmentally important reaction for the abatement of NOx from different resources. MnO2-based catalyst has attracted significant attention due to the excellent activity. In this paper, a series of MnWOx/TiO2–SiO2 catalysts were prepared by liquid-phase deposition method. The catalysts were characterized by N2 adsorption/ desorption, XRD, TEM, XPS, FT-IR, H2-TPR, TG and water adsorption capacity. The existence of SiO2 improved the SO2 and H2O resistance of the MnWOx/TiO2–SiO2 catalyst without decreasing the NH3-SCR activity. Under the reaction conditions of 2608C and 60 000 ml . gcata h21 GHSV, the NO conversion was kept stable at about 95% for 140 min on stream. The excellent performance of MnWOx/TiO2–SiO2 catalyst is considered to be originated from the texture properties and active species dispersion improvement by SiO2 in the support and low-temperature preparation.
Data from: TiO2–SiO2 supported MnWOx catalysts by liquid-phase deposition for low-temperature NH3-SCR
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