Nanosized Catalysts in the Process of Hydrogenating Acetylene

Authors

  • S. K. Tanirbergenova Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • N. K. Zhylybayeva Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • S. Zh. Tairabekova Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • D. A. Tugelbayeva Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • G. M. Naurzbayeva Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • G. M. Moldazhanova Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • B. A. Mansurov Abai Kazakh National Pedagogical University, 50010, Dostyk аve., 13, Almaty, Kazakhstan

DOI:

https://doi.org/10.18321/ectj730

Abstract

Hydrogenating process of the acetylene to ethylene using automated flow catalytic installation at nanoscaled catalysts Ni, Co and carriers at a pressure of 5 atm was studied. The actions of carriers and nanosized catalysts during hydrogenation reaction of acetylene to ethylene at low temperatures in the range from 50–120 °С were analyzed. With ratio of С2Н2:Н2 being equal to (1:2), at 80 °С the aluminum oxide carrier exhibits an activity, conversion of acetylene makes up 70%, when using zeolite 3A it is 63%. When the temperature rises to 120 °С, the aluminum activity is decreasing and conversion is 53%. However, zeolite exhibits its activity at high temperatures, at a temperature of 120 °С conversion of acetylene reaches to 73.5%. It is shown that with increasing of hydrogen ratio, the ethylene yield increases from 5 to 10.7% using catalyst 5% Ni/3A. In addition, in reaction of acetylene hydrogenation there are not formed waste products. For this process, the optimum reaction temperature is 80 °С, feedstock ratio (1:3) is positive, where the ethylene yield increased up to 16.7% and at catalyst to 5% Co/3A.

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Published

07-09-2018

How to Cite

Tanirbergenova, S. K., Zhylybayeva, N. K., Tairabekova, S. Z., Tugelbayeva, D. A., Naurzbayeva, G. M., Moldazhanova, G. M., & Mansurov, B. A. (2018). Nanosized Catalysts in the Process of Hydrogenating Acetylene. Eurasian Chemico-Technological Journal, 20(3), 249–254. https://doi.org/10.18321/ectj730

Issue

Vol. 20 No. 3 (2018)

Section

Articles

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