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Cutting-edge catalysts for ethylbenzene production

ExxonMobil’s zeolite catalysts are the heart of the Badger EBMax℠ process. Originally developed by Mobil Oil, the MCM-22 family of zeolite catalysts revolutionized the production of ethylbenzene (EB).

With their high activity and selectivity to EB, ExxonMobil catalysts enable a simple, liquid phase process that dramatically lowers operating temperatures and thereby reduces equipment sizes and energy consumption – all while still improving the ethylbenzene product quality.

Today, TechnipFMC and ExxonMobil continue to build upon a 35+ year relationship to deliver an optimized, cost-efficient, easy-to-operate technology to enable our customers’ success for the production of EB in the styrenics value chain.

Alkylation reactor
An alkylation reactor uses ExxonMobil catalyst to convert benzene and ethylene to ethylbenzene (EB) in the liquid phase. A small fraction of the EB is further alkylated to polyethylbenzenes (PEB), which is recovered in distillation and converted back to EB in the transalkylation reactor.

Transalkylation reactor
A transalkylation reactor uses ExxonMobil catalyst to convert the small amount of PEB with benzene in the liquid phase. The effluent is sent to distillation to recover the additional EB production.

Purification
A simple distillation train recovers unreacted benzene, produces EB product, and recycles PEB to transalkylation.

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