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2016 | OriginalPaper | Buchkapitel

7. CO₂ Adsorption on Unsupported and Graphene Oxide Supported Layered Double Hydroxides in a Fixed-Bed

verfasst von : Diana Iruretagoyena Ferrer

Erschienen in: Supported Layered Double Hydroxides as CO2 Adsorbents for Sorption-enhanced H2 Production

Verlag: Springer International Publishing

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Abstract

This chapter addresses the CO₂ adsorption kinetics and equilibria of LDH and LDH/GO hybrids under dry and wet conditions using breakthrough curve responses obtained in a fixed-bed column. A comparative study between temperature-swing and isothermal N₂ purge experiments is presented. In addition, a mathematical model based on the linear driving force approximation is used to describe the dry experiment profiles.

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Vorheriges Kapitel Influence of Alkali Metals on Layered Double Hydroxides Supported on Graphene Oxide for CO2 Adsorption

Nächstes Kapitel Sorption-Enhanced Methanol-to-Shift for H2 Production: Thermodynamics and Catalyst Selection

First-contact refers to the first exposure to the adsorptive gas after activation.

The procedure to synthesise the adsorbents and their physicochemical properties are given in Chaps. 5 and 6.

The optimal estimated value of k_LDF was found with the gPROMS in-built parameter estimation facility based on a Maximum Likelihood formulation. The 95 % t-value was ≫ 95 % reference t-value in all cases. In addition, the confidence intervals were ≪ respective estimated parameter value.

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Titel: CO2 Adsorption on Unsupported and Graphene Oxide Supported Layered Double Hydroxides in a Fixed-Bed
verfasst von: Diana Iruretagoyena Ferrer
Verlag: Springer International Publishing
Buch: Supported Layered Double Hydroxides as CO2 Adsorbents for Sorption-enhanced H2 Production
Print ISBN: 978-3-319-41275-7

Electronic ISBN: 978-3-319-41276-4

Copyright-Jahr: 2016
DOI: https://doi.org/10.1007/978-3-319-41276-4_7