Valero's Scot unit trips NEW YORK: Valero Energy reported a Scot (Shell Claus Off-Gas Treating
) Unit 4 tail gas unit inline heater tripped at its 290,000 barrel-per-day Port Arthur, Texas, refinery, according to a filing with state pollution regulators.
The filing with the Texas Commission on Environmental Quality listed the SRU2 and the SCOT (Shell Claus Off-Gas Treating
) Unit 2 as sources of emissions.The company had reported a boiler restart at the refinery in a separate filing.
HOUSTON: Valero Energy reported the shutdown of a sulphur recovery unit (SRU) and SCOT (Shell Claus Off-Gas Treating
) unit led to sulphur dioxide emissions at its 292,000 barrel-per-day refinery in Port Arthur, Texas, according to a filing with state pollution regulators.