translate English to French: Tail gas (petroleum), straight-run naphtha hydrodesulphurizer; Refinery gas (A complex combination obtained from the hydrodesulphurization of straight-run naphtha.
Gaz de queue (pétrole), 649-166-00-1 hydrodésulfuration de naphta de distillation directe; gaz de raffinerie [Combinaison complexe obtenue par hydrodésulfuration de naphta de distillation directe.