Clay mineral-organic interactions

G. Lagaly, M. Ogawa, I. Dékány

    Research output: Chapter in Book/Report/Conference proceedingChapter

    79 Citations (Scopus)

    Abstract

    Organic compounds can interact with clay minerals by i) adsorption at the external surfaces, ii) adsorption at the external and internal surfaces, iii) by exchange of exchangeable ions at the external surfaces, iv) by exchange of exchangeable ions at the external and internal surfaces, and v) by grafting reactions with silanol and aluminol groups leading to covalent bonds. Kaolin minerals intercalate only are a limited number of compounds whereas the reactions of 2:1 clay minerals, in particular smectites and vermiculites, are very manifold. Special attention is given to the interaction with neutral organic molecules such as alcohols, fatty acids, amines, amino acids, aromatic compounds, macrocyclic compounds, and nuclein bases. The interaction with complexes and dyes also provides the basis of advanced applications of clay minerals. Binding of long chain alkylammonium ions is a fundamental reaction for hydrophobising clay mineral particles as needed in many applications. The interaction of clay minerals with polymers including proteins is not only an actual field of research but also of practical importance. Organo-clay minerals are used as effective adsorbents. As these materials also adsorb solvent molecules together with the adsorptive, the adsorption process must be considered as adsorption from binary solution which, therefore, is also described in this chapter.

    Original languageEnglish
    Title of host publicationDevelopments in Clay Science
    Pages435-505
    Number of pages71
    Volume5
    DOIs
    Publication statusPublished - 2013

    Publication series

    NameDevelopments in Clay Science
    Volume5
    ISSN (Print)15724352

    Fingerprint

    Clay minerals
    clay mineral
    adsorption
    Adsorption
    Ions
    ion
    Macrocyclic Compounds
    organoclay
    Kaolin
    Organoclay
    Molecules
    Covalent bonds
    Aromatic compounds
    kaolin
    Organic compounds
    smectite
    Adsorbents
    Amines
    Minerals
    alcohol

    Keywords

    • adsorption
    • adsorption excess isotherms
    • adsorption from binary solution
    • alkylammonium clay minerals
    • amino acids
    • displacement reactions
    • dyes
    • entraining reactions
    • hydrophilic/hydrophobic balance
    • intercalation
    • layer charge
    • organic derivatives
    • organo-clays
    • phase transitions
    • polymerisation
    • polymers
    • proteins
    • solvation

    ASJC Scopus subject areas

    • Geochemistry and Petrology
    • Geology

    Cite this

    Lagaly, G., Ogawa, M., & Dékány, I. (2013). Clay mineral-organic interactions. In Developments in Clay Science (Vol. 5, pp. 435-505). (Developments in Clay Science; Vol. 5). https://doi.org/10.1016/B978-0-08-098258-8.00015-8

    Clay mineral-organic interactions. / Lagaly, G.; Ogawa, M.; Dékány, I.

    Developments in Clay Science. Vol. 5 2013. p. 435-505 (Developments in Clay Science; Vol. 5).

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Lagaly, G, Ogawa, M & Dékány, I 2013, Clay mineral-organic interactions. in Developments in Clay Science. vol. 5, Developments in Clay Science, vol. 5, pp. 435-505. https://doi.org/10.1016/B978-0-08-098258-8.00015-8
    Lagaly G, Ogawa M, Dékány I. Clay mineral-organic interactions. In Developments in Clay Science. Vol. 5. 2013. p. 435-505. (Developments in Clay Science). https://doi.org/10.1016/B978-0-08-098258-8.00015-8
    Lagaly, G. ; Ogawa, M. ; Dékány, I. / Clay mineral-organic interactions. Developments in Clay Science. Vol. 5 2013. pp. 435-505 (Developments in Clay Science).
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