Petroleum Chemistry, Volume 52, Number 5 (2012)
Kinetics of the ethylene trimerization reaction
on a homogeneous chromium-pyrrole catalyst
T. M. Zilbershtein (1)
ztm@niost.ru
V. V. Kardash (1)
M. V. Lipskikh (1)
V. V. Suvorova (1)
A. K. Golovko (2)
1. OOO NIOST, Kuzovlevskii trakt 2, Tomsk, 634067 Russia
2.Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of
Sciences, Akademicheskii pr. 3, Tomsk, 634055 Russia
Abstract
Presents results of an investigation of the
kinetics of the reaction of ethylene trimerization under the action of a
homogeneous chromium-pyrrole catalyst. Authors report that the reaction order with
respect to ethylene decreases from 1.4 to a value close to 1 within 15 min
after the start of the reaction.
This is due to the presence of two types of
catalytic centers that catalyze the reactions of the first and second order
with respect to ethylene. They propose a
model that includes the degradation of the second type of the catalyst during
the reaction and inhibition of the activity of the first-type catalyst by the
products.
Full Text Source (Subscription or Fee): http://www.springerlink.com/content/q429h3j388288135/
No comments:
Post a Comment