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Butane and propane are natural byproducts of the refining process - PowerPoint PPT Presentation


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We’re proposing to modernize our Rodeo Refinery to recover propane from our refining process, and better recover butane — to cut sulfur dioxide emissions by 50%, reduce flaring and make us more competitive with other Bay Area refineries.

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We’re proposing to modernize our Rodeo Refinery to recover propane from our refining process, and better recover butane — to cut sulfur dioxide emissions by 50%, reduce flaring and make us more competitive with other Bay Area refineries.


  • Butane and propane are natural byproducts of the refining process

  • Propane is commonly used for BBQs, cabins and motor homes

  • Butane has replaced ozone-depleting chemicals as a propellant, and is used to blend gasoline, manufacture products like synthetic rubber, and provide fuel for cookers and campers


  • Will reduce sulfur dioxide emissions by at least 50% — removing about 180 tons from the air annually

  • Will reduce refinery greenhouse gas emissions

  • Will further reduce the likelihood of flaring

  • Will not adversely impact the environment, according to the county’s independent Environmental Impact Review process


Our Rodeo Refinery is the — removing about 180 tons from the only Bay Area refinery that doesn’t currently recover propane. This project will allow us to remain competitive — so we can continue providing jobs and contributing economically.



  • Proposed project would be constructed on existing refinery property already zoned for heavy industrial use

  • New processing equipment would be installed and some existing equipment would be reused to recover butane and propane, and remove contaminants from these gases

  • Older equipment will be deactivated and removed

  • Additional propane storage and loading facilities would be constructed


  • Our LPG rail cars are stronger than required by federal regulations

  • Have been safely shipping LPG by rail for decades — about 20,000 shipments annually

  • Employees handling LPG receive specialized safety training as required by US Department of Transportation — plus additional industry training

  • All cars are inspected prior to, during and after loading — and are maintained to strict federal standards

  • Our facility tracks are inspected monthly and carefully maintained to federal and industry standards


  • PHASE ONE regulations

  • Install fuel gas hydrotreater to reduce sulfur emissions by 50%, remove contaminants and improve LPG fuel quality

  • Install new LPG recovery unit to recover butane and propane

  • PHASE TWO

  • Install new propane storage vessels

  • Expand refinery rail car loading capabilities


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