Pilot tests of a catalyst for the selective hydrogenation of acetylene

Pilot tests of SGA-2M promoted Pd/Al 2 O 3 catalyst in the selective hydrogenation of acetylene are performed on an industrial ethane-ethylene fraction in a system of two serially arranged adiabatic flow reactors. The optimum process conditions under which the conversion of acetylene reaches 100% at...

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Bibliographic Details
Published in:Catalysis in industry 2013-04, Vol.5 (2), p.143-147
Main Authors: Nazarov, M. V., Laskin, A. I., Ilyasov, I. R., Lamberov, A. A., Bikmurzin, A. Sh, Shatilov, V. M.
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Chemistry and Materials Science
Engineering Problems
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Summary:Pilot tests of SGA-2M promoted Pd/Al 2 O 3 catalyst in the selective hydrogenation of acetylene are performed on an industrial ethane-ethylene fraction in a system of two serially arranged adiabatic flow reactors. The optimum process conditions under which the conversion of acetylene reaches 100% at a selectivity of 68.2% with respect to ethylene are determined: system pressure, 21 atm; hydrocarbon feedstock hourly space velocity (HSV), 1500 h −1 , carbon monoxide concentration, 7 ppm; H 2 : C 2 H 2 molar ratio at the first and second hydrogenation stages, 1.0: 1.0 and 1.4: 1.0; inlet temperature of the first and second reactors, 40 and 55°C, respectively. The interregeneration service life of the SGA-2M catalyst under optimum conditions is estimated at 12 months. SGA-2M catalysts can be recommended for purifying ethane-ethylene fractions containing up to 2 vol % of acetylene.
ISSN:2070-0504
2070-0555
DOI:10.1134/S2070050413020098