Foaming of Catacarb™ CO_2 Removal System leads to Methanator Runaway Reaction and Expander Fire Incident

摘要

Fatima Fertilizer Ammonia Plant faced massive Catacarb solution foaming in the CO_2 Towers followed by solution carry over to Methanator causing runaway reactions and downstream Expander fire incident. This paper describes the sequence of events, how the problem was analyzed, what tests were performed and how the problem was eventually solved.