Houston — Chevron Phillips Chemical saw a process upset Monday at its Ethylene Unit 24 at its Sweeny petrochemical complex in Old Ocean, Texas, the company said in a regulatory filing Tuesday.
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Register NowThe process upset at the 668,788 mt/year steam cracker was due to a reboiler malfunction, the filing with Texas Commission on Environmental Quality showed.
Emissions associated to the malfunction were said to have ended two hours after they began Monday afternoon.
The Sweeny complex houses three steam crackers -- 254,000 mt/year Ethylene Unit 22, 668,788 mt/year Ethylene Unit 24, and a 1.034 million mt/year Ethylene Unit 33.
--Nida Qureshi, nida.qureshi@spglobal.com
--Edited by Richard Rubin, richard.rubin@spglobal.com