Gases (petroleum), refinery blend; Petroleum gas (complex combination obtained from various processes, consisting of hydrogen, hydrogen sulfide and hydrocarbons with carbon numbers predominantly in C1-C5 range)
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)
