
247
O
O
OASE Not a single process but the trade name for a group of gas-treating processes offered by BASF.
OATS [Olenic Alkylation of Thiophenic Sulfur] A gasoline desulfurization process. Thiophenes and mer-
captans are catalytically reacted with olens to produce higher-boiling compounds that can more easily be
removed by distillation prior to hydrodesulfurization. This minimizes hydrogen usage. The process uses a
solid acid catalyst in a liquid-phase, xed-bed reactor. Developed by BP Amoco in 2000 and tested in Bavaria
and Texas. First used commercially at the Bayernoil renery, Neustadt, in 2001. The process won a European
Environment A ...