These NGLs are ethane, propane, butane, and pentanes as well as natural gasoline found in natural gas. There are two basic steps to the treatment of natural gas liquids in the natural gas stream. The residue gas is sent by pipeline to the end-user markets. Second, these NGLs must be separated themselves, down to their base components, which include methane (CH 4), ethane (C 2 H 6), propane (C 3 H 8) and butane (C 4 H 10). This causes the displacer mea Natural gas liquids are recovered using cryogenic low temperature distillation or lean oil absorption processes, which may also be processed via deethanizer, depropanizer and debutanizer distillation towers. Fractionation Maximize yields of the most valuable products Once the Natural Gas Liquids (NGL) have been removed from the natural gas stream, it is necessary to … NGL fractionation facilities process mixed NGL streams into purity NGL products: ethane, propane, normal butane, isobutane and natural gasoline. Propane, butanes and other bases may be recovered in the stream. Separation into components is carried out by relative volatility. Traditionally displacers are used in the separation process. That is, the mixed stream of different NGLs must be separated out. Once the natural gas liquids are extracted they are divided into their individual end products. Fractionation. Natural Gas Liquids (NGLs) fractionation is the process used in gas processing plants to separate hydrocarbon mixtures from natural gas into individual products. Common problems to displacers are iron oxide deposit accumulation on the displacer body. The three primary sources of mixed NGLs fractionated in the United States are domestic natural gas processing plants, crude oil refineries and imports of butane and propane mixtures. Natural gas liquid (NGL) infrastructure constraints impeded growth in 2018 and led to wider differentials between key NGL pricing hubs. NATURAL GAS LIQUIDS (NGL)- FRACTIONATE OR NOT TO FRACTIONATE AT THE GAS PROCESSING PLANT B.V. Gangar, A.A. Pilehvari Department of Chemical and Natural Gas Engineering, Texas A&M University-Kingsville, Kingsville, TX, USA Abstract: Natural Gas Liquid (NGL) is the liquid product obtained from the bottom of the demethanizer in a gas processing plant. First, the liquids must be extracted from the natural gas. Natural gas liquids that have been separated have high selling values and are beneficial in a variety of use cases. The gap in capacity led to stronger pricing for ethane relative to natural gas. A planned 60,000 b/d gas liquids fractionation facility nearBaton Rouge, LA, is one more piece in The Williams Co.'s strategyto be a comprehensive player in the Gulf of Mexico region. The process used to accomplish this task is called fractionation. Additionally, NGL fractionation capacity failed to keep up with rising demand. 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