Westlake, Refinery, Vapor Scrubbers Challenge A Westlake Louisiana refinery required vapor control on their tank while a robotic crawler made entry into the tank. The company was trying to recover $10,000,000 worth of catalyst that had carried over from their Catalytic Cracking Unit. Envent was also requested to provide vacuum rated carbon containers. The tank vapors were of a high concentration which required Envent to reduce the Lower Explosive Limit to 10% which was required for any kind of entry, including robotic. Solution Envent efficiently provided an engineered scrubber system including EVAC 3000 blower system, ESCRUB 6000 filled with our custom VapoScrubTMEX5 scrubbing solution followed by the BD 16,000 carbon vessel filled with 16,000 lbs of reactivated carbon and the Envent 5000

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