Challenge A Gulf Coast Refinery scheduled turnaround required taking the Mid Crude and West LEU process units out of service. To achieve this, the units needed to be depressurized and decontaminated of LEL and H2S. Solution Envent supplied two temporary degassing and vapor control systems to safely and efficiently combust VOCs from the two […]
Challenge In anticipation of an increase in benzene emissions regulation, a Canadian facility wanted to proactively reduce their outputs for benzene loading operations. Normally, this facility would load both barges and railcars with liquid benzene for shipment to their customers. They would need to implement a vapor control system that could seamlessly integrate with […]
Challenge A Canada Refinery required the stripping and cleaning of a butane storage vessel as part of a facility transition to renewable diesel service. Envent was assigned the responsibility of degassing the tank and delivering continuous vapor control to minimize tank atmosphere to non-explosive levels. Furthermore, the tank needed to be inerted to prevent oxygen […]
Challenge A refinery in Toledo, Ohio requested Envent to bring their propane storage tanks to an LEL level acceptable for personnel to make entry. Envent would connect their EMECS units to their connection point, and process vapors until the customer samples, and deems degassed. Solution This job proved to have many uncertainties not typically noticed […]
Challenge A customer in the Gulf Coast engaged Envent with the need to depressure and clear a pipeline running from its refinery to 3.5 miles South of refinery for an emergency repair and inspection. The customer also brought up the need to a depressurization and de-inventory for an LPG Bullet tank during the same time […]
Challenge A customer tasked Envent to help evacuate an Ammonia tank skid and the surrounding piping so that multiple valves in the system could be replaced safely. Envent would have to provide a solution to handle liquid ammonia, associated temperature issues, and chemical hazards. Solution Envent provided the customer with a High Pressure Regulator, a […]
Envent’s depressure solution allowed for the customer to successfully continue operations without having to delay any standard procedures. In addition, the customer was able to start maintenance work on both LNG tanks immediately after this process was completed. Both of these achievements allowed the customer to save a valuable amount of time and money.
A large North East Oil and Gas customer needed to perform much-needed maintenance of degassing and tank cleaning on one of their Crude Oil tanks. High odor concern, public safety, scrutinized media attention required a solution by Envent Corporation that was fast, odor free, safe to neighbors, and in compliance with local regulations.
Envent developed a three phase vapor odor control solution for a Pacific Northwest customer utilizing a recirculating scrubber (for H2S removal) and a high flow thermal oxidizer to safely eliminate nuisance odors to the surrounding community as well as maintain 100% compliance and zero fines.
Challenge A customer in the Port of Brownsville; the tank was a mid-sized High RVP Gasoline tank with a pipeline feeding into it. The tank was due to come out of service for an API 653 inspection. The customer as well as cleaning company had assumed the tank to be product free, but upon closer […]
Challenge Envent was challenged with depressurizing a propane line, within the confines of a gulf coast refinery. The line measured over 2 miles, was above 200 psig, and was full of liquid propane gas. Envent needed to ensure the pipeline was cleared and ready for Hotwork within a 2 day time frame due to inclement […]
An 80,000 bbl. /day crude distillation unit underwent a month long planned shutdown in order to perform maintenance on their exchangers, and pressure vessels.
