Table 14 The impact of changing the type of organic fluid on environmental sustainability for recuperator cycle with ORC.

From: 3E analysis of sCO2 recuperator cycle with multi effect desalination and organic Rankine cycle to enhance environmental sustainability

Cycles

Energy efficiency

(%)

Exergy efficiency

(%)

Exergy destruction

(kw)

Sustainability index

(SI)

Simple

17.73

48.01

17,702

1.92

Recuperator

19.26

52.14

17,081

2.09

Recuperator with ORC (R-600)

24.63

66.53

17,032

3.03

Recuperator with ORC (R-245FA)

25.02

68.86

16,668

3.23

Recuperator with ORC (R-123)

25.51

72.21

16,148

3.57

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