Used 225 MTPD Air Separation Unit. The plant capacity and performance are based on the following design conditions of inlet air: Flow 22,800 SCFM, Pressure 97 PSIA, Temperature 105 °F Max.
Air compressor: Centrifugal; Inlet Capacity 28 296 ICFM; Inlet Temperature 100 deg. F; Inlet pressure 13.28 psia; Rated Disch. Pressure 104 psia; Rated Power input 5919 HP; Rated Speed (100%) 6400 rpm; Max Disch. Pressure 130 psi;
Max. Cont. Speed 6555 rpm; First Critical Speed 2030 rpm.
Oxygen Compressor: Stages 3; Reciprocating; Pistons 4; RPM 315.
Expander: Max speed 45000 RPM.
Cold box: Air Flow 22800 SCFM; O2 gas 225 MTPD; 99.5% purity; N2 gas 4200 SCFM with 10 ppm max; Cold box comprises of: Low pressure column, High pressure column, 2 Rich Liquid filters, 2 subcoolers, 1 O2 preheater, 1 Auxiliary Vaporizer,
2 Reversing exchangers & DeZuric Valves, 2 Clapet boxes, Reactivation Heater
Dump Vaporizer / Purge System
Main air compressor gearbox: 1 Bull gear; 1 Pinion; Lube oil Skid - 2 motor driven pumps, oil sump, demister.
Oxygen Motor: Syncro-Pac brushless synchronous motor, 1750 HP, 300 RPM.