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Erschienen in:
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2016 | OriginalPaper | Buchkapitel

5. Layered Double Hydroxides Supported on Graphene Oxide for CO2 Adsorption

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 is concerned with the study of layered double hydroxides supported on graphene oxide. The chapter begins describing the methodology used to synthesise LDHs and LDH/carbon hybrids. Subsequently, the structural and physical properties of the adsorbents are examined by a range of characterisation techniques. The adsorption capacity and thermal stability of the materials are reported. Finally, the description of CO2 adsorption equilibrium data under dry conditions using Langmuir, Freundlich and Toth isotherms is included.  

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Vorheriges Kapitel Layered Double Hydroxides Supported on Multi-walled Carbon Nanotubes for CO2 Adsorption
Nächstes Kapitel Influence of Alkali Metals on Layered Double Hydroxides Supported on Graphene Oxide for CO2 Adsorption
Fußnoten
1
The surface charge density was calculated using the surface area of the dried graphene oxide sample measured by N2 physisorption (55 m2 g−1). The surface area of the GO sample is relatively low compared to that of the completely exfoliated GO, probably due to restacking during drying.
 
2
Representative N 2 physisorption isotherms of the LDH/GO hybrids that are not presented in this chapter can be found in Appendix D.1.
 
3
See the surface area of the pure LDH reported in Chap. 4 and Ref. [1].
 
4
The composition of the samples of the preliminary studies was measured by ICP (after the work was published). The values are presented in Appendix D.3. The content of sodium in the samples was found to be relatively high (1.2–1.7 wt% Na).
 
5
The equation used to calculate the isosteric heat of adsorption can be found in Sect. 2.​2.​1.​1 of Chap. 2.
 
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Metadaten
Titel
Layered Double Hydroxides Supported on Graphene Oxide for CO2 Adsorption
verfasst von
Diana Iruretagoyena Ferrer
Copyright-Jahr
2016
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_5