Download e-book for iPad: Adsorption Calculations and Modelling by Howard Brenner (Eds.)

By Howard Brenner (Eds.)

ISBN-10: 0750691212

ISBN-13: 9780750691215

'Adsorption Calculations and Modelling' offers readers with useful, invaluable information regarding tips to make adsorption calculations and formulate versions describing adsorption tactics. not like so much books in this topic, this publication treats either gasoline part adsorption and liquid section adsorption with equivalent emphasis, and offers a rigorous therapy of multi-component adsorption. It additionally covers adsorption purposes in environmental functions together with using impregnated adsorbents for defense opposed to poisonous gases and carbon adsorption in water and wastewater treatment.

Explores the main up to date info on multicomponent adsorption
Details adsorption functions in environmental program
Explains the basics of adsorption calculation in an easy, undemanding demeanour

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Example text

H-type isotherms are distinguished by a strong preferential adsorption of the adsorbate and are steep at low concentration, while the C type exhibits linear behavior at least over part of the adsorption range. 2. 2. 6 Classification of isotherms for adsorption from solution (Giles et al. 1960). ) various parameters. Liquid-phase adsorption, in general, is a more complex phenomenon than gas-phase adsorption. For example, although one may envision monolayer coverage in liquid adsorption, the adsorbed molecules are not necessarily tightly packed with identical orientation.

Eq. 79) T] Eqs. 78) are the equations that relate the surface charge with its aqueous environment, the type of association (or adsorption) reaction responsible for surface charging, and the kinds / 2nine + parameters 1 / and 2 variables: of surface sites. + There are altogether K , N , T, /, {H }, o , i^ , [ S O H ] , and [ S O H ] . Accordingly, H s 0 0 2+ if both the system and environment variables are known (in other words, with K , N T, J, and {H } known), the extent of surface H si charging can be readily determined.

The potential theory can also be applied to extend the ranges of adsorption equilibrium data. None of the theories is truly predictive, however. Consequently, in preliminary design calculations, one is often confronted with the unavailability of REPRESENTATION, CORRELATION, A N D PREDICTION OF SINGLE-COMPONENT ADSORPTION EQUILIBRIUM DATA 28 where any relevant data. Thus, we need methods that can be used to estimate adsorption equilibrium data without requiring that we resort to experimentation.

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Adsorption Calculations and Modelling by Howard Brenner (Eds.)


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