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Low-temperature nitric oxide reduction over silver-substituted cobalt oxide spinels

机译:低温一氧化氮减少silver-substituted氧化钴尖晶石

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摘要

Catalytic reduction of NO by CO is performed over novel silver-substituted cobalt oxide nano-sized spinels, prepared via a citric acid-assisted sol-gel method. The catalysts are characterized by XRD, TEM, BET surface area measurements and CO chemisorption studies. Ag substitution in the cobalt oxide spinel lattice enhances CO chemisorption, hence the catalytic activity significantly. The prepared catalysts show excellent stability under the reaction conditions. The effect of moisture and oxygen dosage is studied for the reaction. The catalysts are found to be highly selective for N-2 over N2O.
机译:催化还原的不执行的有限公司小说silver-substituted钴氧化物纳米级通过柠檬acid-assisted尖晶石,准备溶胶-凝胶法。通过XRD, TEM,打赌表面积测量和有限公司化学吸收作用研究。氧化钴尖晶石晶格提高有限公司化学吸收作用,因此催化活性显著。优秀的稳定下的反应条件。剂量反应研究。发现高度选择性n - 2结束了吗

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