Process and system for making cyclopentadiene and/or dicyclopentadiene

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United States of America Patent

PATENT NO 9919988
SERIAL NO

15288396

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Abstract

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Processes and systems for making cyclopentadiene and/or dicyclopentadiene include converting acyclic C5 hydrocarbon(s) into CPD in a first reactor in the presence of a C1-C4 co-feedstock to obtain a product mixture, separating the product mixture in a separation sub-system such as compression train to obtain a C5-rich fraction comprising CPD and essentially depleted of hydrogen and C1-C4 hydrocarbons, dimerizing the C5-rich fraction in a dimerization reactor to obtain a product effluent comprising DCPD, followed by separating the product effluent to obtain a DCPD-rich fraction. Multiple-stage of dimerization and separation steps can be optionally used to obtain multiple DCPD-rich fractions of various degrees of purity and quantity. C5-rich fractions from various stages of the process may be recycled to the first reactor, or converted into mogas components after selective hydrogenation. C5-rich fractions and mogas components may be optionally separated to produce value-adding chemicals.

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Patent Owner(s)

  • EXXONMOBIL CHEMICAL PATENTS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iaccino, Larry L Seabrook, US 100 1842
Leung, Kevin Brentwood, US 6 14

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