Performance Evaluation of Refrigeration Units in Natural Gas Liquid Extraction Plant

Table 3

Energy balance propane refrigeration unit.

Process units	Energy gain (KJ/kg)	Energy lost (KJ/kg)	% of lost work
Compressor 1	12.30	−334.28	−0.015
Compressor 2	32.11	−501.45	−0.023
Condenser	—	12483.89	0.06
Expansion valve JT-1	—	12495.54	0.06
Expansion valve JT-2	—	−1435547.8	6.62
Economizer drum	5733.78	—	—
Refrigerant chiller	17036.04	−1242710.43	−5.73
Total	22814.23	216981.07	0.972