
Résumé
Mixed refrigerant (MR) component is one of the most important factors that influence the performance of natural gas liquefaction process. In certain kinds of liquefied natural gas (LNG) plants, heavy hydrocarbons in MR, such as butane and pentane, are not welcome. In this paper, four kinds of MR components have been used in the single mixed refrigerant (SMR) process: 1) MR with both i-butane(C4) and i-pentane(C5), 2) MR without C4. 3) MR without C5, 4) MR without C4 or C5. The specific power consumption has been compared. The results show that compared with i-butane, i-pentane has greater contribution to the decline of power consumption and that the power required in condition 1 is 18% less than that in condition 4. Furthermore, the SMR liquefaction processes with different pre-cooling refrigerants have been proposed. Compared with condition 4, there is a 12% decline in power consumption for the process with propane pre-cooling.
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Détails
- Titre original : Reducing heavy hydrocarbons in mixed refrigerant used in natural gas liquefaction processes.
- Identifiant de la fiche : 30012526
- Langues : Anglais
- Source : 11th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
- Date d'édition : 02/08/2014
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