31 July 2013 22:40 [Source: ICIS news]
HOUSTON (ICIS)--Canadian fertilizer producer Agrium confirmed Wednesday that its plant in Borger, Texas had an unplanned morning shutdown at its urea unit because of a valve leak, but the repairs were completed and normal operations have resumed.
The plant produces both ammonia and urea with the ammonia segment having an estimated capacity of 490,000 tonnes per year while the urea capacity is listed at 100,000 tonnes per year.
Texas Commission on Environmental Quality (TCEQ) estimates that approximately 50 lbs each of ammonia and nitrogen oxide were released from the leak which originated within the compressor’s suction valve.
Agrium said that once crews discovered the problem they immediately enacted emergency shutdown procedures which included halting the incoming feedstock supply. A spokesperson said that because of the minimal maintenance needed to eliminate the leakage, the unit was able to restart shortly without further incident.
In late March, the plant was shut down for two days after the ammonia condenser and receiver became plugged. At that time the company, in a filing with the TCEQ, estimated that minimal amounts of ammonia and nitrogen oxide were released.
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