Challenge Contaminated water at a Northern California Refinery where groundwater must be extracted before it enters the bay. There is a series of groundwater wells and pumps that maintain hydraulic control of the area’s sub surface water system and prevent the contaminated water from reaching the Bay. The source of contamination was a Methyl tert-butyl […]
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Envent performs Soil Vapor Extraction near Public School
Challenge A customer was in need of a soil vapor extraction system for a project located within 2,000′ of a public school for a three month pilot project duration. The system was needed to scrub the following VOCs: BTEX, TCE and PCE. Upon successful completion of the pilot project, our customer could then determine […]
Port of Brownsville, TX – Tank Degas
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 […]
California Refinery Barge Loading
Challenge A California refinery had a need to load gasoline, ethanol, and other high vapor pressure materials (classified as MVR products) onto barges. MVR products are required to have vapor control on them during transfer onto the vessel. The loading terminal is not equipped with any form of vapor recovery device on the dock. Without […]
Port Arthur Refinery – H2S Scrubber Control
Challenge A customer was facing EPA fines in the tens of thousands of dollars per day for the release of H2S and VOC’s to atmosphere from a tank not permitted to contain H2S-laden material. The customer reached out to Envent to solve the problem within a short deadline of three months. Solution Envent was […]
Midwest Refinery Turnaround Services
A Midwest refinery contracted Envent to provide degassing and vapor control services. The refinery planned a major turnaround and had multiple critical-path process units that needed industrial degassing and industrial vapor control services for safe entry into process vessels.
Southern California Refinery Excess Fuel Gas Elimination Project
We believe Safety is No Accident.
Emergency Vapor Scrubbing – Southern California Refinery
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 (2500 ppm) of ammonia vapors and the […]
Freeport, Texas, Out of Service Storage Tank Contaminated Water Treatment
A facility on the Gulf Coast had an out of service tank that once contained Pyrolysis Gasoline (Pygas), but had recently been used to store various waste streams and contaminated water.
Deer Park Refinery, Complete Turnaround Solution
A refinery conducted a turnaround on a Hydrocracker unit in the Deer Park area, and they required a complete turnaround solution. Having worked with Envent before, the customer knew that we could solve all of their needs.