Kinetics of nitrobenzene hydrogenation on spongy nickel and catalyst with supported palladium in 2-propanol aqueous solutions with acid or base additives
- 作者: Thu Ha N.T.1, Latypova A.R.2, Efremov E.V.2, Lefedova O.V.2, Filippov D.V.2
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隶属关系:
- Hanoi Pedagogical University No. 2
- Ivanovo State University of Chemistry and Technology
- 期: 卷 91, 编号 4 (2017)
- 页面: 640-644
- 栏目: Chemical Kinetics and Catalysis
- URL: https://journals.rcsi.science/0036-0244/article/view/169383
- DOI: https://doi.org/10.1134/S0036024417040197
- ID: 169383
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详细
The effect acetic acid and sodium hydroxide additives in a 2-propanol aqueous solution of azeotrope composition have on the rate of nitrobenzene (NB) hydrogenation over spongy nickel and supported palladium catalysts is studied. Analysis of the experimental data indicates that adding acid slows the rate more than adding a base during NB hydrogenation on spongy nickel. The observed rate for spongy nickel falls in a series of solvents: 2-propanol–water (0.68 mole fraction) > 2-propanol–water (0.68 mole fraction) + NaOH (0.01M) > 2-propanol–water (0.68 mole fraction) + CH3COOH (0.01 M). When a palladium catalyst is used, the addition of acid has less of an effect on slowing the rate of the reaction than that of the base: 2-propanol–water (0.68 mole fraction) > 2-propanol–water (0.68 mole fraction) + CH3COOH (0.01 M) > 2-propanol–water (0.68 mole fraction) + NaOH (0.01 M).
作者简介
Nguen Thu Ha
Hanoi Pedagogical University No. 2
编辑信件的主要联系方式.
Email: physchem@isuct.ru
越南, Hanoi, 28000
A. Latypova
Ivanovo State University of Chemistry and Technology
Email: physchem@isuct.ru
俄罗斯联邦, Ivanovo, 153460
E. Efremov
Ivanovo State University of Chemistry and Technology
Email: physchem@isuct.ru
俄罗斯联邦, Ivanovo, 153460
O. Lefedova
Ivanovo State University of Chemistry and Technology
Email: physchem@isuct.ru
俄罗斯联邦, Ivanovo, 153460
D. Filippov
Ivanovo State University of Chemistry and Technology
Email: physchem@isuct.ru
俄罗斯联邦, Ivanovo, 153460
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