Monroe Environmental was contacted to provide an air pollution control solution to purify a nitrogen gas stream for a gulf coast chemical manufacturing plant.

The nitrogen gas contained ~12% Para Tertiary Butyl Phenol (PTBP) which was to be scrubbed and recovered from the Naphtha scrubbing solution.

Scope of supply included:

• 304 Stainless steel Packed Tower Wet Scrubber
• Integral liquid reservoir with baffled separation chamber, armored sight glass, level controls, pressure relief vent, and liquid fill solenoid valve
• Recirculation pump with liquid piping and valves
• High-efficiency packing media
• Spray nozzles
• Mist eliminator
• Local junction box and explosion proof control panel

The instruments and controls were rated for operation in a Class 1, Div. 2, Group C & D hazardous environment.

The system was rated to treat 180 ACFM @ 250°F.