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By Jozsef Toth

Deals an summary of the hot theoretical and functional effects accomplished in gas-solid (G/S), liquid-solid (L/S), and gas-liquid (G/L) adsorption learn.

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Those eight equations have been discussed in detail and interpreted in separated subsections of this section. This separated interpretation has proven that the eight relationships mentioned can be combined in a single equation. To´th 52 FIG. 22 The uniform and thermodynamically consistent interpretation of the BT isotherms of Type I. The values of parameters are as follows: KmB ¼ 0:6 kPaÀ1 , wB ¼ 1:2, BB ¼ 0:7, t ¼ 1:0, Pm ¼ 614:2 kPa (solid line, mBH equation); KBT ¼ 9:0 kPaÀt , wB ¼ 1:2, BB ¼ 0:7, t ¼ 0:6, Pm ¼ 486:4 kPa ð Þ; KBT ¼ 0:01 kPaÀt , wB ¼ 1:2, BB ¼ 0:6, t ¼ 1:6, Pm ¼ 760:6 kPa ð Á Á Þ.

6, are represented the functions YðPÞ, cðPÞ, YðPr;m Þ, cðYÞ, Asr ðYÞ, and Asr ðPr;m Þ. The calculations of these functions have been made as follows: Top (left): The applied mFG equations are P¼ 1 Y expðÀBF YÞ KmF wF À Y ð140Þ The types of isotherms in Figs. 10–12 have been determined by the corresponding values of wF and BF (see Fig. 8). Interpretation of Adsorption Isotherms 27 FIG. 10 The uniform and thermodynamically consistent interpretation of the mFG isotherms of Type I. The values of the parameters are as follows: KF ¼ 0:08 kPaÀ1 , wF ¼ 1:0, BF ¼ 0:8, Pm !

IVT is defined by Eq. (240), Pm and KVT can be calculated from Eqs. (243) and (242), respectively. Also a four-parameter fitting procedure may be tried because substituting nsm in Eq. (239), we obtain & ' ns ðns Þt exp P ¼ IVT ð247Þ t½wðnsm Þt À ðns Þt Š ½wV ðnsm Þt À ðns Þt Š1=t The mathematically uniform and thermodynamically consistent interpretation of functions YðPÞ, cðPÞ, YðPr;m Þ, cðYÞ, Asr ðYÞ; and Asr ðPr;m Þ are shown in Fig. 21. The calculations of these functions are summarized as follows: top (left), Eq.

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