Table 3 Initial guess for optimization case studies.
From: Flexible oxygen concentrators for medical applications
Parameter/output metric | Unit | LiX | LiLSX | ||
|---|---|---|---|---|---|
PSA | PVSA | PSA | PVSA | ||
\(\hbox {O}_{2}\) Purity | % | 80.85 | 89.96 | 81.94 | 87.97 |
\(\hbox {O}_{2}\) Recovery | % | 40.42 | 57.69 | 47.85 | 60.7 |
\(\hbox {O}_{2}\) Production | L min\(^{-1}\) | 8.12 | 9.9 | 15.99 | 20.3 |
Bed size factor | kg ads. \(\hbox {O}_{2}\) TPD\(^{-1}\) | 42.88 | 30.79 | 20.08 | 15.83 |
Cycle configuration | – | (1) Production | (1) Production | (1) Production | (1) Production |
(2) Reverse depres. | (2) Reverse depres. | (2) Depressurization | (2) Depressurization | ||
(3) Reverse purge | (3) Reverse purge | (3) Reverse purge | (3) reverse Purge | ||
(4) Pressurization | (4) Pressurization | (4) Pressurization | (4) Pressurization | ||
\(P_1\) | bar | 3.4 | 3.5 | 3.5 | 3.5 |
\(P_2\) | bar | 1 | 0.5 | 1 | 0.54 |
\(P_3\) | bar | 1 | 0.5 | 1 | 0.54 |
\(t_1\) | s | 3.8 | 6 | 3 | 3 |
\(t_2\) | s | 1 | 1 | 1 | 1 |
\(t_3\) | s | 4.6 | 6.1 | 1 | 1 |
\(t_4\) | s | 1 | 1 | 1 | 1 |
\(\dot{n}_1\) | mol s\(^{-1}\) | 0.2 | 0.14 | 0.24 | 0.24 |
Purge flow velocity factor | – | 0.42 | 0.73 | 2.22 | 2.22 |
\(\rho _{b,ads}\) | kg ads. m\(^{-3}\) bed | 718.03 | 633.43 | 662.78 | 662.78 |
