VPSA oxygen generation, the real 4-bed cycle
Air fed into a real 4-bed vacuum pressure swing adsorption unit over N2-selective zeolite, producing oxygen-rich product and N2-rich tail gas.
The actual dark-mode canvas: air fed into a real 4-bed VPSA unit, one or more beds adsorbing nitrogen while others regenerate under vacuum — the same P&ID symbols you edit in the app.
The proven 2-bed engine, generalized to N beds
This is the same real cyclic tanks-in-series + linear-driving-force engine the PSA hydrogen page uses, generalized to N beds with pressure-equalization steps and sub-atmospheric evacuation instead of atmospheric blowdown — the genuine VPSA mechanism, not a pressure-swing shortcut relabeled.
Unit ops shipped for this vertical
The 2-bed PSA engine generalized to N beds with pressure-equalization and sub-atmospheric evacuation.
Stream bed vacuum level, cycle-step timing, and O2 purity from your VPSA unit's OPC-UA server into this flowsheet's twin comparison — deviations from the solved periodic steady state are flagged automatically.
See the Digital Twin platform →Try it yourself
- ✓4-bed cycle with real pressure-equalization steps
- ✓Sub-atmospheric vacuum evacuation, not just pressure swing
- ✓Real periodic steady state, not a fixed-recovery shortcut