Download Adsorption by Powders and Porous Solids: Principles, by Jean Rouquerol, Visit Amazon's Françoise Rouquerol Page, PDF

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 evaluation of many of the theoretical and useful features of adsorption via powders and porous solids with specific connection with fabrics of technological value. the first objective is to satisfy the desires of scholars and non-specialists, who're new to floor technological know-how or who desire to use the complicated recommendations now to be had for the choice of floor zone, pore dimension and floor characterization. additionally, a serious account is given of contemporary paintings at the adsorptive houses of activated carbons, oxides, clays and zeolites. Key beneficial properties * offers a accomplished therapy of adsorption at either the gas/solid interface and the liquid/solid interface * comprises chapters facing experimental technique and the translation of adsorption info acquired with porous oxides, carbons and zeolites * innovations catch the significance of heterogeneous catalysis, chemical engineering and the construction of pigments, cements, agrochemicals, and prescribed drugs

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Additional info for Adsorption by Powders and Porous Solids: Principles, Methodology and Applications

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1. Differential quantities of adsorption . . . . . . . . . . . . . . 2. Integral molar quantities of adsorption . . . . . . . . . . . . Derivation of the adsorption quantities from calorimetric data . . . . . . 1. Discontinuous procedure . . . . . . . . . . . . . . . . . . 2. Continuous procedure . . . . . . . . . . . . . . . . . . . Methods for the determination of differential enthalpies of adsorption . . . 1. Gas adsorption calorimetry .

Special attention is given to the terminology and the definition of certain key thermodynamic quantities, for example, the difference between corresponding molar integral quantities and differential quantities. In order to facilitate this operational approach, we adopt the following conventions and simplifying assumptions: (a) We consider only the case of a single gas adsorbed on a solid adsorbent. (b) The adsorbent is assumed to remain inert and therefore to undergo no change in its surface area, internal energy or entropy at any stage of physisorption.

S. Deming and E. Teller as the BDDT classification (1940), sometimes referred to as the Brunauer classification (1945). 19 C H A P T E R 1. r c --s o E o . 7. , 1985). 7, included the Type VI which has been more recently observed. In its most characteristic form, the Type I isotherm is concave to the relative pressure (p/pO) axis. It rises sharply at low relative pressures and reaches a plateau: the amount adsorbed by the unit mass of solid, na/m s, approaches a limiting value as p/p~ l. 7, enhanced adsorbent-adsorbate interactions occur in micropores of molecular dimensions.

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