• Source: Baytown Refinery

ExxonMobil's Baytown Refinery is a major oil refinery named after and located in Baytown, Texas. It has capacity of 588,000 barrels per day (93,500 m3/d). The site first opened in 1919 and was originally operated by the Humble Oil Company. Today, it is the largest employer in the city. The plant has been expanded over the year to 3,400 acres (14 km2) of land next to the Houston Ship Channel.
The Baytown Refinery is the fifth-largest refinery in the United States by production, after the nearby Port Arthur Refinery. Baytown is also ExxonMobil's third largest refinery, only trailing Exxon's Beaumont Refinery and Jurong Island refinery in Singapore.




Units


According to ExxonMobil's filings with the US DOE's Energy Information Agency, the unit capacities for the Baytown Refinery are presented below:

The refinery has a Nelson Complexity Index of 13.7, making it highly complex.
ExxonMobil is developing a large blue hydrogen facility at Baytown to support the refinery and sequester CO2. The project is expected to capture and store 7 million mt of CO2 per year. The Abu Dhabi National Oil Company (ADNOC) purchased a 35% stake of this project in 2024.
The refinery site is also home to extensive petrochemical production including multi-train olefins production. The olefins plans are proposed to become users of blue hydrogen from the mega project being developed with ADNOC that will lower the petrochemical site's emissions by capturing 98% of the CO2 produced at the facility.
The refinery site has two electricity generating power plants.

The site has 3 worldscale ethylene cracking plants with the newest being commissioned in 2018 with 1.5 million tons per year of capacity and being fed with purity ethane.
Total ethylene cracking capacity for the site is currently 3.6 million tons per year and is presented in the table below by unit as presented in the Oil & Gas Journal Survey of Steam Crackers.

The refinery has several polymerization units that consume the olefins generated on site.




Greenhouse gas emissions history


As a major emitting facility, The ExxonMobil Baytown Refinery and Petrochemical Site must report its complete greenhouse gas emissions to the EPA every year subject to the EPA's Greenhouse Gas Reporting Program. The Baytown site's Facility ID is 1007542 and its FRS ID is 110000463178.
Statutory reporting data is in the table below:

All emissions data is presented in units of metric tons of carbon dioxide equivalent using GWP's from IPCC's AR4
According the EPA's database for 2022, the Baytown (combined site) ranked as the 6th largest GhG emitter in the United States for 2023 with 12.6 million tons of emissions.




Operating permits


The refinery is a major facility that operates under the Clean Air and Clean Water Acts, in addition to RCRA and other statutes. The sites FRS ID is 110000502901.
Major permits are detailed in the chart below and can be found on the EPA's website here and at the state level.




Labor relations


The Baytown site is a union facility with the United Steelworkers Local 13-2001 representing operations, instrument, lab and mechanical employees. The membership is approximately 600. In addition to the USW, three other unions represent workers at the site including:

International Association of Machinists and Aerospace Workers
Machinists, Lodge 1051 with 86 members
International Brotherhood of Electrical Workers




= Labor history

=
Labor relations have, at times, been contentious at the Baytown refinery. A long-standing dispute at the Beaumont Refinery, led to accusations of ExxonMobil attempting to decertify the USW at the site.




Operating history and accidents


On December 23, 2021, a large explosion occurred at the refinery in what was described as a major industrial accident by both local and national news. The explosion, caused by a fire, occurred around 1AM and seriously injured five workers, four of whom were airlifted to the hospital with one being transported by ambulance. No fatalities were reported. Two of the injured contract workers have filed a $10 million lawsuit against ExxonMobil and partner Team Industrial Services for unsafe working conditions as of a result of the explosion.
A July 31, 2019 fire in a polymerization unit occurred when a popcorn polymer built up in a line and ruptured, causing a fireball reaching 900 feet into the air. After a 3 week jury trial, a verdict of responsibility was won for the plaintiffs resulting in $28.5 million in damages for compensation for 5 injured workers.




See also


Atmospheric Distillation
HF Acid Alkylation
Cracking
Delayed Coking
Naphtha Reforming
Hydrotreating
Fluid Coking
Solvent Deasphalting of Crude Oil




References






External links


Aerial view of Baytown Refinery on Google Maps

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