Catalytic decomposition of N2O over Cu-Al-O-x mixed metal oxides

Jablonska Magdalena; Aran Miren Agote; Beale Andrew M.; Gora-Marek Kinga; Delahay Gerard; Petitto Carolina; Pacultova Katerina; Palkovits Regina

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Catalytic decomposition of N2O over Cu-Al-O-x mixed metal oxides

机译：用Cu-Al-O-X混合金属氧化物催化分解N2O

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Cu-Al-O-x mixed metal oxides with intended molar ratios of Cu/Al = 85/15, 78/22, 75/25, 60/30, were prepared by thermal decomposition of precursors at 600 degrees C and tested for the decomposition of nitrous oxide (deN(2)O). Techniques such as XRD, ICP-MS, N-2 physisorption, O-2-TPD, H-2-TPR, in situ FT-IR and XAFS were used to characterize the obtained materials. Physico-chemical characterization revealed the formation of mixed metal oxides characterized by different specific surface area and thus, different surface oxygen default sites. The O2-TPD results gained for Cu-Al-O-x mixed metal oxides conform closely to the catalytic reaction data. In situ FT-IR studies allowed detecting the form of Cu+center dot center dot center dot N-2 complexes due to the adsorption of nitrogen, i.e. the product in the reaction between N2O and copper lattice oxygen. On the other hand, mostly nitrate species and NO were detected but those species were attributed to the residue from catalyst synthesis.

机译：具有预期摩尔比的Cu-al-OX混合金属氧化物通过在600℃下的前体热分解并在600℃下进行前体进行热分解并进行分解来制备Cu-Al-α22,75/ 25,60 / 230。氧化二氮（DEN（2）O）。使用诸如XRD，ICP-MS，N-2理由，O-2-TPD，H-2-TPR，原位FT-IR和XAFs的技术用于表征所得材料。物理化学表征揭示了具有不同比表面积的混合金属氧化物的形成，从而形成不同的表面氧默认位点。获得Cu-Al-O-X混合金属氧化物的O2-TPD结果与催化反应数据密切相关。原位FT-IR研究允许检测Cu +中心点中心点中心点N-2复合物的形式，因为氮气吸附，即N2O与铜晶格氧气之间的反应中的产物。另一方面，检测到大多数硝酸盐物种和否，但这些物种归因于来自催化剂合成的残余物。

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《RSC Advances》 |2019年第7期|共8页
作者
Jablonska Magdalena; Aran Miren Agote; Beale Andrew M.; Gora-Marek Kinga; Delahay Gerard; Petitto Carolina; Pacultova Katerina; Palkovits Regina;
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作者单位

Rhein Westfal TH Aachen Chair Heterogeneous Catalysis &

Chem Technol Worringerweg 2 D-52074 Aachen Germany;

UCL Dept Chem 20 Gordon St London WC1H 0AJ England;

UCL Dept Chem 20 Gordon St London WC1H 0AJ England;

Jagiellonian Univ Krakow Fac Chem Gronostajowa 2 PL-30387 Krakow Poland;

Inst Charles Gerhardt Montpellier 240 Ave Prof Emile Jeanbrau F-34296 Montpellier 5 France;

Inst Charles Gerhardt Montpellier 240 Ave Prof Emile Jeanbrau F-34296 Montpellier 5 France;

VSB Tech Univ Ostrava 17 Listopadu 15 Ostrava 70833 Czech Republic;

Rhein Westfal TH Aachen Chair Heterogeneous Catalysis &

Chem Technol Worringerweg 2 D-52074 Aachen Germany;

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中图分类化学;
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1. Catalytic decomposition of N2O over Cu-Al-O-x mixed metal oxides [J] . Jablonska Magdalena, Aran Miren Agote, Beale Andrew M., RSC Advances . 2019,第7期

机译：用Cu-Al-O-X混合金属氧化物催化分解N2O
2. Catalytic decomposition of N2O over Cu–Al–Ox mixed metal oxides [J] . Magdalena Jab?ońska, Miren Agote Arán, Andrew M. Beale, RSC Advances . 2019,第7期

机译：Cu-Al-Ox混合金属氧化物上N2O的催化分解
3. Catalytic decomposition of N2O over Cu–Al–Ox mixed metal oxides [J] . Magdalena Jab?ońska, Miren Agote Arán, Andrew M. Beale, RSC Advances . 2019,第7期

机译：Cu-Al-Ox混合金属氧化物上N2O的催化分解
4. (cest2017_00379) Catalytic decomposition of N2O over Co-Ce mixed oxide catalyst [C] . Zhou Z., He C International Conference on Environmental Science and Technology . 2017

机译：（CEST2017_00379）在CE-CE混合氧化物催化剂上催化分解N2O
5. Catalytic transformations of biomass substrates using mixed metal oxides derived from substituted hydrotalcites. [D] . Macala, Gerald Stephen, II. 2009

机译：使用衍生自取代的水滑石的混合金属氧化物催化转化生物质底物。
6. Nanosize Control on Porous β-MnO2 and Their Catalytic Activity in CO Oxidation and N2O Decomposition [O] . Yu Ren, Zhen Ma, Sheng Dai 2014

机译：β-MnO2的纳米尺寸控制及其在CO氧化和N2O分解中的催化活性
7. Promotion effect of rare earth elements (Ce, Nd, Pr) on physicochemical properties of M-Al mixed oxides (M = Cu, Ni, Co) and their catalytic activity in N2O decomposition [O] . Phuoc Hoang Ho, Magdalena Jabłońska, Giada Beltrami, 2021

机译：稀土元素（Ce，Nd，Pr）对M-Al混合氧化物（M = Cu，Ni，Co）及其在N2O分解中的催化活性的促进作用
8. The Constant Pressure Decomposition of Nitrous Oxide, N2O + .88n2 and N2O + Air Mixtures at 11.2 Atmospheres and Initial Temperatures from 772 to 1233k [R] . Nicholson, J. R., Fishburne, E. S., Edse, R. 1964

机译：一氧化氮，N2O + .88n2和N2O +空气混合物在11.2大气压和772-1233k的初始温度下的恒压分解

Catalytic decomposition of N2O over Cu-Al-O-x mixed metal oxides

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