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Alumina-Supported Spinel NiAl2O4 as a Catalyst for Re-forming Pyrolysis Gas
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2019-06-24 , DOI: 10.1021/acs.iecr.9b01006 Lei Yu 1 , Min Song 1 , Paul T. Williams 2 , Yuexing Wei 1
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2019-06-24 , DOI: 10.1021/acs.iecr.9b01006 Lei Yu 1 , Min Song 1 , Paul T. Williams 2 , Yuexing Wei 1
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A spinel structure for NiAl2O4 in nickel-based alumina has a significant impact on catalytic performance. To illustrate the relationship between the textural properties of spinel and catalytic performance, four nickel-based alumina catalysts using co-precipitation with different calcination temperatures were prepared and evaluated for the re-forming of simulated pyrolysis gas (CH4 + CO2) and then applied to the re-forming of gaseous products from rice husks pyrolysis. The results indicated that the spinel structure could improve the catalytic performance. Various characterization methods combined with mechanism analysis were applied to illustrate the contribution of surface properties and structure parameters of the spinel catalysts on catalytic performance. The influence of spinel structure in catalysts on the textural properties, the specific form of surface nickel species, and the anticoking ability of the catalysts have been established. Finally, the relationship between the spinel structure of the catalysts and the catalytic re-forming performance has been thoroughly explained.
中文翻译：
氧化铝负载的尖晶石NiAl2O4作为重整热解气的催化剂
镍基氧化铝中NiAl 2 O 4的尖晶石结构对催化性能有重大影响。为了说明尖晶石的质构性质与催化性能之间的关系，制备了四种在不同煅烧温度下共沉淀的镍基氧化铝催化剂，并对其模拟热解气（CH 4 + CO 2）的重整进行了评估。），然后应用于从稻壳热解过程中重新生成气态产物。结果表明，尖晶石结构可以提高催化性能。应用各种表征方法与机理分析相结合，以说明尖晶石催化剂的表面性质和结构参数对催化性能的贡献。已经确定了催化剂中尖晶石结构对质构性质，表面镍物种的特定形式以及催化剂的抗结焦能力的影响。最后，已经充分解释了催化剂的尖晶石结构与催化重整性能之间的关系。
更新日期：2019-06-24
中文翻译：
氧化铝负载的尖晶石NiAl2O4作为重整热解气的催化剂
镍基氧化铝中NiAl 2 O 4的尖晶石结构对催化性能有重大影响。为了说明尖晶石的质构性质与催化性能之间的关系，制备了四种在不同煅烧温度下共沉淀的镍基氧化铝催化剂，并对其模拟热解气（CH 4 + CO 2）的重整进行了评估。），然后应用于从稻壳热解过程中重新生成气态产物。结果表明，尖晶石结构可以提高催化性能。应用各种表征方法与机理分析相结合，以说明尖晶石催化剂的表面性质和结构参数对催化性能的贡献。已经确定了催化剂中尖晶石结构对质构性质，表面镍物种的特定形式以及催化剂的抗结焦能力的影响。最后，已经充分解释了催化剂的尖晶石结构与催化重整性能之间的关系。
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