Gases (petroleum), reforming hydrotreater make-up, hydrogen-rich; Refinery gas (complex combination from reforming hydrotreating process, primarily hydrogen with small amounts of carbon monoxide and aliphatic hydrocarbons)
Petroleum gas; Tail gas (petroleum) from catalytic cracked clarified oil and thermal cracked vacuum residue fractionation reflux drum, if it contains > 0.1% (w/w) butadiene
Tail gas (petroleum), catalytic cracker, catalytic reformer and hydrodesulfurizer combined fractionater; Petroleum gas (complex hydrocarbon mixture from fractionation of catalytic cracking, catalytic reforming products); Petroleum recovery plant tail gas
Tail gas (petroleum), hydrodesulfurized straight-run naphtha separator; Refinery gas from hydrodesulfurized straight-run naphtha separator; Petroleum tail gas from straight run naphtha separator
