Component

A: from CAS effluent

B: from SW

Ratio (B/A)

Capital costs, $/m3/d

Pretreatment

161

238

1.48

Reverse osmosis (RO)

321

492

1.53

Total

482

730

1.51

Total life cycle costs, $/m3

Capital

0.07

0.10

1.51

Operation and maintenance (O&M)

0.21

0.60

2.86

Total

0.28

0.70

2.50