Abstract
The effect of temperature (530–590°C), weight hourly space velocity (2.5–7.0 h–1), and the Si/Al ratio of the ZSM-5 zeolite (30, 55, 80, 300) on the cracking of a butane–butylene fraction containing 85 wt % butylenes has been studied. The HZSM-5 zeolite has been modified with phosphorus. The effect of modification on the catalyst activity in cracking reactions has been studied. The ethylene and propylene yield achieves 38.4 wt % at a degree of conversion of butylenes of 81.5%. The ethylene to propylene ratio is 0.55.
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Original Russian Text © E.O. Altynkovich, O.V. Potapenko, T.P. Sorokina, V.P. Doronin, T.I. Gulyaeva, V.P. Talzi, 2017, published in Neftekhimiya, 2017, Vol. 57, No. 2, pp. 156–162.
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Altynkovich, E.O., Potapenko, O.V., Sorokina, T.P. et al. Butane–butylene fraction cracking over modified ZSM-5 zeolite. Pet. Chem. 57, 215–221 (2017). https://doi.org/10.1134/S0965544117010030
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DOI: https://doi.org/10.1134/S0965544117010030