Table 2 Fitted isotherm parameters, heat of adsorption, mass transfer coefficient, and particle characteristics for candidate adsorbent materials.
From: Flexible oxygen concentrators for medical applications
Parameter | Unit | ||||||
|---|---|---|---|---|---|---|---|
\(\hbox {O}_{2}\) | \(\hbox {N}_{2}\) | \(\hbox {O}_{2}\) | \(\hbox {N}_{2}\) | \(\hbox {O}_{2}\) | \(\hbox {N}_{2}\) | ||
\(m_1\) | mol kg\(^{-1}\) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
\(m_2\) | mol kg\(^{-1}\) | 0.6075 | 1.5 | 1.5 | 0.6613 | 1.5 | 1.5 |
\(b_{o,1}\) | Pa\(^{-1}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) |
\(b_{o,2}\) | Pa\(^{-1}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) | 10\(^{-10}\) |
\(\Delta U_{1}\) | J mol\(^{-1}\) | \(-21774.6\) | \(-29195\) | \(-19606.9\) | \(-27923.9\) | \(-22312.1\) | \(-26140.8\) |
\(\Delta U_{2}\) | J mol\(^{-1}\) | \(-24624.1\) | \(-26260.5\) | \(-22906.2\) | -27923.9 | \(-22312.1\) | \(-23284.3\) |
\(\Delta H\) | J mol\(^{-1}\) | \(-13221.44\) | \(-23430.4\) | \(-14661.44\) | \(-25451.65\) | \(-13221.44\) | \(-22886.48\) |
LDF constant | s\(^{-1}\) | – | – | 104.07 | 42.84 | 12.07 | 4.02 |
Particle density | kg ads. m\(^{-3}\) ads. | 1200 | 1035 | 1160 | |||
Heat capacity | J kg\(^{-1}\) K\(^{-1}\) | 1172 | 1172 | 1338.9 | |||
Particle porosity | – | 0.33 | 0.33 | 0.65 | |||
