By Jean Rouquerol, Visit Amazon's Françoise Rouquerol Page, search results, Learn about Author Central, Françoise Rouquerol, , Kenneth S.W. Sing
The declared aim of this booklet is to supply an introductory assessment of a number of the theoretical and sensible elements of adsorption through powders and porous solids with specific connection with fabrics of technological significance. the first objective is to satisfy the desires of scholars and non-specialists, who're new to floor technology or who desire to use the complex concepts now to be had for the choice of floor quarter, pore dimension and floor characterization. furthermore, a serious account is given of contemporary paintings at the adsorptive homes of activated carbons, oxides, clays and zeolites. Key beneficial properties * presents a entire therapy of adsorption at either the gas/solid interface and the liquid/solid interface * contains chapters facing experimental technique and the translation of adsorption information received with porous oxides, carbons and zeolites * strategies catch the significance of heterogeneous catalysis, chemical engineering and the construction of pigments, cements, agrochemicals, and prescription drugs
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Additional info for Adsorption by Powders and Porous Solids: Principles, Methodology and Applications
Quantitative expression of adsorption . . . . . . . . . . . . . . . . Thermodynamic potentials of adsorption . . . . . . . . . . . . . . Thermodynamic quantities related to the adsorbed states in the Gibbs representation . . . . . . . . . . . . . . . . . . . . . . . . . 1. Definitions of the molar surface excess quantities . . . . . . . . 2. Definitions of the differential surface excess quantities . . . . . . Thermodynamic quantities related to the adsorption process .
1991) Pure Appl. , 63, 1227. V. (1965) Disc. , 40, 205. V. (1967) Adv. , 4, 113. Langmuir I. (1916) J. Am. Chem. , 38, 2221. Langmuir I. (1917) J. Am. Chem. , 39, 1848. Langmuir I. (1918) J. Am. Chem. , 40, 1361. E. and Quirke N. (1993) J. Phys. , 97, 4786. Lennard-Jones J. E. (1932) Trans. , 28, 333. , Reichert H. and Rouquerol J. (1993a) Langmuir, 9, 1846. , Andr6 G. and Rouquerol J. (1993b)Langmuir, 9, 1852. London F. (1930) Z. , 63, 245. B. (1975) Les Objets Fractals: Forme, Hasard et Dimension, Flammarion, Paris.
Comparison is made with a reference system, which is divided into two zones (A, of volume V s'~ and B, of volume V g'~ by an imaginary s u r f a c e - the G i b b s d i v i d i n g s u r f a c e (or GDS) - which is placed parallel to the adsorbent surface. m A V ~ j ~ ~m m ~ mm mm --- mm mm mm m ~ n m R r ~ E t~ 1:::o t::: o. ~ o ~g o o 0 xA o ADSORPTION BY POWDERS AND POROUS SOLIDS Or) a 0 ~ I I mm ra CHAPTER 2. e. up to the GDS. This is shown in pictorial form in Figure 2. lb. In this model, the s u r f a c e e x c e s s a m o u n t , n ~ represented by hatched area d, is defined as the difference between the total amount, n, of the adsorptive (hatched and crossed areas) and the amount which would be present in the volume V g' o of the reference system if the final equilibrium concentration c g were constant up to the GDS (crossed area e + f).