ekipЭкология и промышленность РоссииEcology and Industry of Russia1816-03952413-6042ООО "Калвис"10.18412/1816-0395-2024-12-45-51ekip-2787Research ArticleАНАЛИЗ. МЕТОДИКИ. ПРОГНОЗЫANALYSIS. METHODS. PROGNOSISПерспективы применения отработанных автокатализаторов: Rh катализаторы для переработки возобновляемого цитраляProspects of Application of Spent Autocatalysts: Rh Catalysts for Processing of Renewable CitralСимаковаИ.Л.SimakovaI.L.

канд. хим. наук, вед. научный сотрудник

Cand. Sci. (Chem.), Senior Research Fellow

podpiska@kalvis.ruФедеральный исследовательский центр "Институт катализа им. Г.К. Борескова" СО РАНРоссияFederal Research Center Boreskov Institute of Catalysis, SB RASRussian Federation20241012202428124551Copyright © ООО "Калвис", 20242024ООО "Калвис"ООО "Калвис"https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNoticehttps://www.ecology-kalvis.ru/jour/article/view/2787

Получены данные об активности модельных биметаллических катализаторов 1%Rh5%Co/ZrO2, 1%Rh5%Cu/ZrO2 и 1%Rh1,5%MnOx/SiO2 в гидрировании возобновляемого цитраля в мягких условиях (70 °С, 10 ати Н2). Показано, что скорость гидрирования цитраля увеличивается в ряду RhCu/ZrO2 < RhMnOx/SiO2 < RhCo/ZrO2, достигая при конверсии цитраля 46 % селективности по цитронеллалю 70, 78 и 84 % соответственно. Выдвинута гипотеза, что присутствие примесей Co, Cu, Mn, оксида кремния и восстанавливаемых оксидов не повлияет на гидрирующую активность Rh в отработанных автокатализаторах.

Data on the activity of model bimetallic catalysts 1%Rh5%Co/ZrO2, 1%Rh5%Cu/ZrO2 and 1%Rh1.5% MnOx/SiO2 in the hydrogenation of renewable citral under mild conditions (70 °C, 10 atm gauge H2) have been obtained. It is shown that the citral hydrogenation rate increases in the series RhCu/ZrO2 < RhMnOx/SiO2 < RhCo/ZrO2, reaching selectivity to citronellal of 70, 78 and 84 %, respectively, at citral conversion of 46 %. It is hypothesized that the presence of impurities of Co, Cu, Mn, silicon oxide and reduced oxides will not affect the hydrogenation activity of Rh in spent autocatalysts.

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The authors declare that there are no conflicts of interest present.