Xylenes Production

Xylenes production  

ExxonMobil Chemical has led the development and application of leading-edge technologies for xylenes and benzene production since the discovery of ZSM-5 in the late 1960s. Technologies for paraxylene and benzene production include: selective and non-selective toluene disproportionation, xylene isomerization, heavy aromatics transalkylation, selective toluene alkylation with methanol, and aromatics treatment.

For customers interested in constructing a complete grassroots complex, ExxonMobil’s alliance with Axens S.A. offers all of the technologies required to meet your needs.

Our process

Our applications

  • Toluene selective alkylation with methanol (EMTAM℠)

    The EMTAM℠ process is a breakthrough technology that maximizes production of valuable paraxylene while lowering feed and energy costs.

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  • Vapor phase xylene isomerization (XyMax℠-2)

    XyMax-2 isomerization produces paraxylene and/or orthoxylene from feedstocks rich in C8 aromatics.

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  • Heavy aromatics transalkylation (TransPlus℠ 5)

    A low-cost, high conversion solution to upgrade C9+ heavy aromatics and tolulene/benzene to higher-value mixed xylenes and high-purity benzene.

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  • Liquid phase xylene isomerization (LPI)

    LPI process technology is the latest generation of liquid phase isomerization technology offering significant energy savings and ultra-low xylene losses.

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  • Selective toluene disproportionation (PxMax℠)

    PxMax offers improved yields, excellent stability, ease of operation and extremely long catalyst cycles.

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  • Aromatics treatment (Olgone℠)

    Olgone process technology is designed to significantly extend the cycle length of existing clay treaters, reducing the amount of spent clay generated when producing xylenes.

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  • Toluene disproportionation (MTDP-3)

    MTDP-3 is designed to process toluene and limited amounts of C9  aromatics, and can allow for inexpensive debottlenecking of existing toluene disproportionation (TDP) facilities.

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Featured resources

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  • ExxonMobil Chemical Library icon

    ExxonMobil Catalysts and Licensing

    In our commitment to helping customers implement best practices and achieve better results, we provide cutting-edge proprietary catalysts and license advantaged process technologies for refining, gas and chemical needs.

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  • ExxonMobil Chemical play button icon

    A Particle of Difference

    How ExxonMobil Catalysts and Technology Licensing solves shared challenges through expertise, specialty catalysts, technology licensing and collaboration.

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  • ExxonMobil Chemical Library icon

    Maximizing existing xylene loop profitability

    By implementing a xylene isomerization process, users achieve energy savings through both reduced traffic in the xylene loop and lower temperature requirement of the high activity isomerization catalyst.

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