Process and plant for the simultaneous production of an liquefiable natural gas and a cut of natural gas liquids

摘要: This process includes the following steps: (a) feed natural gas ( 101 ) is introduced into a first distillation column 31 which produces, as top product, pretreated 111 ), no longer contains practically any C 6 + hydrocarbons; (b) an NGL recovery unit 19 comprising at least second 49 so to produce, on one hand, purified 151 and, other cut 15 ); and (c) said liquefiable 161 formed from resulting step (b).