Abstract
Catalytic pyrolysis of crude glycerol over a shaped H-ZSM-5 zeolite catalyst with (partial) recycling of the product oil was studied with the incentive to improve benzene, toluene, and xylene (BTX) yields.
Highlights
Aromatic compounds are essential commodity building blocks of the chemical industry
Instead of mitigating polycyclic aromatic hydrocarbon (PAH) formation, we explored the use of the co-produced PAHs as a co-feed in catalytic pyrolysis
A representative batch of PAHs, sufficient for all co-feed experiments reported in this work, was obtained from the ex situ catalytic pyrolysis of crude glycerol in a continuous benchscale unit (200 g h−1)
Summary
Aromatic compounds are essential commodity building blocks of the chemical industry. In particular, the low molecular weight mono aromatics benzene, toluene, and xylene (BTX) are important intermediates for the production of various products including liquid fuels, solvents, and polymers.[1,2,3] Typically, BTX is produced via refinery processes of crude oil fractions in steam cracking, steam reforming, and catalytic reforming facilities. The PAH fraction was hydrogenated to a mixture of mainly polycyclic aliphatics (PCA), aiming to increase the H/Ceff ratio, and subsequently utilize this fraction as a co-feed (Fig. 1). A representative batch of PAHs, sufficient for all co-feed experiments reported in this work, was obtained from the ex situ catalytic pyrolysis of crude glycerol in a continuous benchscale unit (200 g h−1).
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
