sulfuric acid

Sulfuric acid alkylation  

Learn about sulfuric acid alkylation technology, available for license from ExxonMobil.

Upgrading light olefins and isobutane to alkylate offers refiners an opportunity to increase their crude barrel value. Alkylate is a superior gasoline blendstock due to its high octane and low vapor pressure. ExxonMobil’s proven Sulfuric Acid Alkylation technology reacts propylene, butylene and pentylene with isobutane to form high-value alkylate for gasoline blending.

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Key benefits

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    Cost benefits

    • Low operating costs
    • Up to 10 KBD reactor capacity produces economies of scale

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    Equipment benefits

    • Less major equipment
    • No proprietary equipment

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    High reliability

    • Over 50 years of ExxonMobil operating experience
    • High reliability in line with FCC cycles

A proven, reliable system  

  • Direct vaporization of C3 results in energy savings
  • Multiple mixing zones in the reactor increases reliability
  • Over 50 years of ExxonMobil and licensee operating experience from 2 to 100 KBD
  • Flexibility in partnering with multiple sulfuric acid regeneration technologies

Sulfuric Acid Alkylation simplified flow diagram  

sulfuric acid alkylation

Sulfuric Acid Alkylation services include:  

  • Support for licensees from initial consultation through technology transfer and availability of improvements
  • Initial, non-confidential based meeting to discuss key features and advantages of technologies available for license, followed by technology-specific confidentiality agreement, based on identified needs
  • Detailed technical proposal on identified needs and feedstocks
  • Technology transfer and consultation during project execution
  • Training, commissioning, startup and initial operation support
  •   - Detailed procedure manuals
      - ExxonMobil mechanical design specifications
      - Operations, maintenance and engineering training
      - Startup team
  • Technology improvement exchange, available with access to improvements to the licensed technology


Featured resources

View highlighted news, events, technical papers and case studies below. To see our full collection of resources, browse our Library.
  • ExxonMobil Chemical play button icon

    Introduction to ExxonMobil Catalysts and Technology Licensing

    See an overview of ExxonMobil's refining, chemical manufacturing and gas processing technologies along with their assortment of specialty catalysts. These technologies and catalysts are used at ExxonMobil's own facilities and are offered for license to customers.

    Watch the video
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