A system (800; 900), comprising: a heat exchanger (826; 926) for cooling a feed natural gas stream to obtain a cooled natural gas stream (828; 928); a first supersonic chiller (830; 930) using a convergent-divergent Laval Nozzle for accelerating to a supersonic velocity and chilling the cooled natural gas stream to produce a liquefied natural gas component separated from the gas through highly swirling and output at least a portion of chilled gaseous natural gas to the heat exchanger (826; 926) to be heated to obtain a heated natural gas stream (860; 960); a compression unit (821; 921) for compressing the heated natural gas stream (860; 960) and providing a compressed natural gas stream to the heat exchanger (826; 926) to be cooled together with the feed natural gas stream by heat exchanging with the at least a portion of the chilled gaseous natural gas; a so called third separation vessel (864; 964) in communication with the heat exchanger (826; 926) for removing a natural gas liquid (866; 966) from the cooled natural gas stream (828; 928) from the heat exchanger (826; 926), wherein the natural gas liquid (866; 966) includes heavy hydrocarbons and wherein the separated natural gas stream (868; 968) from third separation vessel (864; 964) is fed to the first supersonic chiller (830; 930); a second supersonic chiller (874; 974) using a convergent-divergent Laval Nozzle for accelerating the feed natural gas stream (811; 911) to a supersonic velocity for removing a natural gas liquid component separated from the gas through highly swirling, the second supersonic chiller (874; 974) being before the heat exchanger (826; 926); and a dehydration unit (819; 919) positioned downstream of the second supersonic chiller (874; 974), wherein the second supersonic chiller is for removing at least a portion of water vapor from the feed natural gas stream and the dehydration unit is for removing water vapor from the feed natural gas stream from the second supersonic chiller. a heat exchanger (826; 926) for cooling a feed natural gas stream to obtain a cooled natural gas stream (828; 928); a first supersonic chiller (830; 930) using a convergent-divergent Laval Nozzle for accelerating to a supersonic velocity and chilling the cooled natural gas stream to produce a liquefied natural gas component separated from the gas through highly swirling and output at least a portion of chilled gaseous natural gas to the heat exchanger (826; 926) to be heated to obtain a heated natural gas stream (860; 960); a compression unit (821; 921) for compressing the heated natural gas stream (860; 960) and providing a compressed natural gas stream to the heat exchanger (826; 926) to be cooled together with the feed natural gas stream by heat exchanging with the at least a portion of the chilled gaseous natural gas; a so called third separation vessel (864; 964) in communication with the heat exchanger (826; 926) for removing a natural gas liquid (866; 966) from the cooled natural gas stream (828; 928) from the heat exchanger (826; 926), wherein the natural gas liquid (866; 966) includes heavy hydrocarbons and wherein the separated natural gas stream (868; 968) from third separation vessel (864; 964) is fed to the first supersonic chiller (830; 930); a second supersonic chiller (874; 974) using a convergent-divergent Laval Nozzle for accelerating the feed natural gas stream (811; 911) to a supersonic velocity for removing a natural gas liquid component separated from the gas through highly swirling, the second supersonic chiller (874; 974) being before the heat exchanger (826; 926); and a dehydration unit (819; 919) positioned downstream of the second supersonic chiller (874; 974), wherein the second supersonic chiller is for removing at least a portion of water vapor from the feed natural gas stream and the dehydration unit is for removing water vapor from the feed natural gas stream from the second supersonic chiller.