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DAQ Home > Public Interest > Holly Refinery

Holly Refinery Heavy Crude Processing Project

 

The Holly Refining and Marketing Company-Woods Cross LLC Refinery (Holly Refinery) is located at 393 South 800 West in West Bountiful, Davis County, Utah. The refinery is located in Davis County, which is a non-attainment area for PM2.5 and a maintenance area for ozone (O3), and in attainment for sulfur dioxide (SO2), nitrogen oxides (NOx), volatile organic compounds (VOC), and carbon monoxide (CO). The refinery is located within four miles of Salt Lake County and is defined as a contributing source for the Salt Lake County PM10 nonattainment area.

History

On June 8, 2007, Holly received an approval order from the Division of Air Quality for a modernization project to increase processing capacity for heavy Canadian crude oil with a higher sulfur content. At that time, Holly Refinery proposed changes to equipment and operations to handle this heavier crude, along with several measures to significantly reduce emissions of criteria pollutants, including the replacement of existing equipment and the addition of new control equipment. To date, the refinery has implemented several of these changes, particularly those associated with reducing refinery emissions through additional emission controls.

Holly Refinery is seeking to modify the implementation of certain of these previously permitted changes in order to increase its capability to process black wax from the Uintah Basin. This eastern Utah black wax is a highly-paraffinic crude oil with a lower sulfur content than the heavy Canadian crude. Holly Refinery's decision to switch from Canadian crude to Utah black wax crude meant that some of the equipment changes requested in its 2006 Notice of Intent would not be necessary and different equipment would need to be installed.

The proposed revised modification includes the addition of a crude processing unit, a fluid catalytic cracking unit, a poly gasoline unit, a hydroisomerization unit (for lube oils), crude unloading bays, several storage tanks, and additional wastewater treatment. Overall, the processing capacity of the refinery is proposed to increase from its current permit level of 40,000 barrels per day (BPD) to 60,000 BPD.

Holly Refinery proposes to use best available emission controls (BACT) on new equipment and add further controls to certain existing and previously permitted equipment. As part of Governor Herbert's UCAIR initiative, Holly is proposing to add voluntary pollution controls which will result in additional SO2 emission reductions.

Holly Refinery submitted a Notice of Intent (NOI) for the Heavy Crude Processing Project on May 23, 2012 and a revised NOI on July 12, 2012. A 55-day public comment period began on December 4, 2012 and closed on January 28, 2013. A public hearing was held on January 3, 2013. Comments received by the Division of Air Quality during the public comment period result in Project Modifications to its Intent to Approve. Holly Refinery submitted additional material following the close of the comment period on March 21, 2013, April 1, 2013, April 10, 2013, and April 22, 2013. These materials have been incorporated into the current draft permit.

November 18, 2013
The revised project was put out for a 45-day public comment period beginning June 10, 2013 and ending July 25, 2013. A public hearing was held on July 11, 2013. On November 18, 2013 a Response to Comments was issued.

Public Comment

Public comments are an important part of the permitting process. To learn more, check out DEQ's Guide to Making Effective Comments about Proposed Permits and Licenses.

There are no public comment periods or hearings scheduled at this time.

 

A person who wishes to challenge a Permit Order may only raise an issue or argument during an adjudicatory proceeding that was raised during the public comment period and was supported with sufficient information or documentation to enable the director to fully consider the substance and significance of the issue.