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High temperature catalytic hydrogenation of acetone over Raney Ni for chemical heat pump

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Abstract

Exothermic hydrogenation reaction of acetone is an important part of an IAH-CHP, and the performance of IAH-CHP is affected directly by this reaction. This paper studies the influence of space velocity, temperature, hydrogen flow rate and pressure on conversion and selectivity experimentally. The byproducts are analyzed and classified into three types: hydrogenation product, cracking products and condensation products. Both the conversion and selectivity of this reaction have the same trend with the change of space velocity, temperature and hydrogen flow rate, and has the opposite trend with the change of pressure. As the space velocity increases, the conversion curve is a gradual decline parabola but the selectivity curve is close to a straight line. Hydrogen flow rate has a more obvious influence on conversion than temperature, whereas on selectivity the situation is opposite. High pressure increases the conversion of acetone to all products, but the increment of byproducts is more than that of isopropanol, so the selectivity decreases as pressure increases.

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Authors and Affiliations

  1. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China

    Yanjun Duan, Min Xu & Xiulan Huai

  2. University of Chinese Academy of Sciences, Beijing, 100049, China

    Yanjun Duan

Authors
  1. Yanjun Duan
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  2. Min Xu
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  3. Xiulan Huai
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Additional information

This research is supported by the National Natural Science Foundation of China under Grant No 51276181 and the National Basic Research Program of China under Grant No 2011CB710705.

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Duan, Y., Xu, M. & Huai, X. High temperature catalytic hydrogenation of acetone over Raney Ni for chemical heat pump. J. Therm. Sci. 23, 85–90 (2014). https://doi.org/10.1007/s11630-014-0680-z

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  • DOI: https://doi.org/10.1007/s11630-014-0680-z

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