Wednesday, March 21st, 2018

Enhancement of APCI cycle efficiency with absorption chillers

Publication year: 2010brbSource:/b Energy, In Press, Corrected Proof, Available online 2 July 2010brAmir, Mortazavi , Christopher, Somers , Abdullah, Alabdulkarem , Yunho, Hwang , Reinhard, RadermacherbrLiquefied natural gas (LNG) plants consume a great amount of energy. In order to enhance the energy efficiency of the LNG plant, the potential energy efficiency enhancements of various options of utilizing the waste heat powered absorption chillers in the propane pre-cooled mixed refrigerant (APCI) liquefaction cycle were investigated in this study. After developing models of the LNG process, gas turbine and absorption chillers, eight options of gas turbine waste heat utilization were simulated. The simulation results show that by replacing 22 °C and 9 °C evaporators and cooling the condenser of propane cycle at 14 °C and inter-cooling the compressor of mixed…

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