By Jozsef Toth
Bargains an outline of the hot theoretical and useful effects accomplished in gas-solid (G/S), liquid-solid (L/S), and gas-liquid (G/L) adsorption examine.
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Additional resources for Adsorption: Theory, Modeling, and Analysis (Surfactant Science Series, Volume 107)
218), (212), and (217) have been conjugated. 6). It is evident that t ¼ 1 represents the modiﬁed Langmuir equation. The values t < 1 relate to heterogeneous surfaces where the adsorbent–absorptive interactions are greater than those between the molecules adsorbed. The values t > 1 relate to the reverse situation. From these suppositions, it follows that the mL equation cannot be applied to homogeneous surfaces only, but it can describe isotherms measured on heterogeneous surfaces on the condition that the two interactions adsorbent-adsorptive interactions and those between adsorbed molecules are approximately equal.
8 by solid lines. In Fig. 8, it can be seen also that functions BF ðYÞ have absolute minimum values. After differentiation of Eq. (133), we have the values of coverage where these minima occur: Ymin ¼ 0:5wF ð134Þ How these places of minima, Ymin , increase according to Eq. (134) are shown in Fig. 8; however; by inserting Eq. (134) into Eq. (133), the decreasing character of BF;min can be calculated explicitly: BF;min ¼ 4 wF ð135Þ In Fig. 8, the values of BF;min are represented by horizontal dotted lines.
This requirement can be taken by one parameter, t, applied to the coverage as a power into account; that is, Yt > Y if 0
Adsorption: Theory, Modeling, and Analysis (Surfactant Science Series, Volume 107) by Jozsef Toth