(Bloomberg) -- Ineos Group Holdings Plc reported an upset at the ethylene unit at its Chocolate Bayou chemical plant in Alvin, Texas, according to a filing with state regulators. ⌠The olefins 1 unit experienced an upset when the p-rich feed was lost to two of the furnaces resulting in flaring off spec ethylene product, Ineos said a filing with the Texas Commission on Environmental Quality.
⌠Operations stabilizing the unit to bring ethylene product back on spec and decreased feed to the furnaces, the Lyndhurst, United Kingdom-based company said in the filing.
The Chocolate Bayou plant includes two olefins units and has one of the largest hydrocarbon crackers in the U.S., according to the company website. The plant is located in Alvin, about 45 miles (72 kilometers) south of Houston.