Enterprise Reports 24-Hr event at Mont Belvieu Complex


   
   HOUSTON, TX (DTN) -- Enterprise reported an air emissions event at its 1.2 
million bpd Mont Belvieu Complex, after the facility's propane dehydrogenation 
(PDH) unit shut down due to an instrument air pressure transmitter fault.

   The event began at 9:00 a.m. on Wednesday (4/8) and ended at 9:00 a.m. on 
Thursday (4/9), the company said in a filing with the Texas Commission on 
Environmental Quality.

   Emissions included carbon monoxide (2,000 lbs), nitrogen oxides (1,000 lbs), 
propylene (400 lbs), propane (100 lbs), ethylene (50 lbs), and sulfur dioxide 
(50 lbs), the filing showed.

   "The PDH 1 flare is being maintained and operated to ensure vented 
hydrocarbons are properly combusted. Operations is working to limit flaring to 
the extent possible while securing and restarting the unit," the company stated.




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