Figure 4:
Oxygen production and cylinder refilling cost from PSA plants of different capacities running for 24 hours daily on electricity (a) ₹/m3 (b) ₹/Jumbo cylinder. Error bars indicate SD (n = 6). PSA – Pressure Swing Adsorption; LPM – Litres Per Minute; JC – Jumbo Cylinder; SD – Standard Deviation