Influence of hydrotalcite preparation conditions on its physico-chemical properties

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Chimica Slovaca Pub Date : 2019-04-01 DOI:10.2478/acs-2019-0017
M. Mališová, M. Horňáček, P. Hudec, J. Mikulec, V. Jorík, E. Hájeková
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引用次数: 2

Abstract

Abstract The aim of the research was to prepare and characterize hydrotalcite synthesized under different preparation conditions. The most common hydrotalcite preparation is the co-precipiaton method. The preparation process strongly influences the catalytic properties of hydrotalcite; therefore, optimal conditions have to be determined. During the study, seven samples of the catalyst were prepared in the pH range from 8 to 12 and the synthesis temperature range from 25 to 55 °C. Based on several catalyst properties, optimal synthesis pH 10 was found. Ideal temperature of the preparation was determined to be 35 °C, but the temperature does not have a significant effect on the catalyst properties.
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水滑石制备条件对其理化性能的影响
摘要本研究的目的是制备和表征在不同制备条件下合成的水滑石。最常见的水滑石制备方法是共沉淀法。制备工艺对水滑石的催化性能有很大影响;因此,必须确定最佳条件。在研究过程中,在8至12的pH范围和25至55°C的合成温度范围内制备了7个催化剂样品。基于几种催化剂的性质,找到了最佳合成pH 10。制备的理想温度确定为35°C,但温度对催化剂性能没有显著影响。
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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