Challenge A refinery in Southern California experienced severe plugging in a section of piping downstream of their coker unit. In order to eliminate the restriction, the refinery needed to perform a line break and attempt to clear the line. The column attached to the line contained high concentrations (2,500 ppm) of ammonia vapors and the […]
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Port Arthur Refinery, Flareless Hydrocracker Turnaround
Challenge A refinery customer had to complete a flareless turnaround involving their Hydrocracker Unit. The stricter emission limits imposed by the new Petroleum Refinery Sector Risk & Technology Review (RSR) regulations would not allow them to use the full capacity of their existing flare. This meant that they would take much longer than in the […]
Southern California, Vapor Control
Challenge Reducing fugitive emissions from the top lid of an old oil recovery unit DAF Cell. Leak Detection And Repair (LDAR) is being taken very seriously in more and more areas of the country. This facility’s oil recovery cells were becoming aged and so the facility wanted to take proactive measures to ensure that no […]
Texas City, Texas, Sulfur Loading
VapoScrub™H2S yielded the best and most economical option giving a total cost saving of $200,000 over the duration of the project.
North Dakota, Frac Tank Vapor Control
We were asked to provide to vapor control systems for each set of 15 frac tanks.
Port Arthur, Texas, Liquid Ring – High Volume, Vacuum Truck Vapor Control
The cost savings versus carbon was estimated to be $100,000.
Houston, Texas, Pipeline Blowdown
We were able to complete the job with an efficiency of greater than 98%…
Sludge Processing / Tank Cleaning Vapor Control
..We were able to make the GAC last approximately 3 times longer savings the customer approximately $150,000.
West Coast Refinery, Vapor Control on Arabian Crude Tank
Due to Envent’s immediate mobilization for the project, the client saved at least $100,000.
Bullet Tank Degas, Ammonia Scrubber
Envent was able to degas the bullet tank without any infraction of the degassing permits for the facility.