Kinetics on thermal dissociation and oligomerization of dicyclopentadiene in a high temperature & pressure microreactor

Dicyclopentadiene(DCPD) is an important 10-carbon olefin mostly derived from the pyrolysis of total petroleum hydrocarbons to ethylene. DCPD has two isomers, endo-dicyclopentadiene(endo-DCPD) and exodicyclopentadiene(exo-DCPD), and can be thermally decomposed into cyclopentadiene (CPD). This reaction is also reversible. A further addition reaction of CPD with endo-DCPD or exo-DCPD can produce tricyclopentadiene(TCPD). Using a microreactor, the kinetics of the decomposition and condensation of DCPD were investigated systematically at 5 MPa, 180-240 degrees C. The complete reaction rate and kinetic parameters of the reaction system were obtained in this work. The kinetic results showed that high temperature and short residence time were effective for obtaining more of the product, CPD. (C) 2020 Elsevier Ltd. All rights reserved.