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Synthesis of biosourced silica-Ag nanocomposites and amalgamation reaction with mercury in aqueous solutions

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cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
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cris.virtual.author-orcid0000-0002-8154-5656
cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
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cris.virtual.departmentΑνοικτό Πανεπιστήμιο Κύπρου / Open University of Cyprus
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dc.contributor.authorAzat S.
dc.contributor.authorArkhangelsky E.
dc.contributor.authorPapathanasiou T.
dc.contributor.authorZorpas, Antonis
dc.contributor.authorAbirov A.
dc.contributor.authorInglezakis V.J.
dc.date.accessioned2024-12-17T10:41:49Z
dc.date.available2024-12-17T10:41:49Z
dc.date.issued2020
dc.description.abstractThis paper focuses on the synthesis of a new silver nanocomposite adsorbent derived from rice husk as raw material. The synthesis is based on triethoxysilane chemistry and the reduction of silver without the aid of reductant chemicals. The derived AgNPs@SiO2 nanocomposites are fully characterized and then used for the removal of mercury (II) from aqueous solutions. The results demonstrated that the affinity of the composite for mercury is high and the removal mechanism is adsorption accompanied by a redox reaction between mercury and silver followed by the formation of calomel and amalgams between silver and mercury. The silver-mercury reaction is complex, and its stoichiometry seems to scale with the silver content. Besides the importance of the surface reactions, the successful implementation of biosourced silica for mercury removal from water is useful for the development of strategies for the valorization of agricultural waste and boosts the concept of circular economy and bioeconomy. � 2020 Elsevier Masson SAS. All rights reserved.
dc.identifier.doi10.5802/crchim.19
dc.identifier.urihttps://kypseli.ouc.ac.cy/handle/11128/8463
dc.language.isoen
dc.publisherAcademie des sciences
dc.relation.facultyFaculty of Pure and Applied Sciences
dc.relation.isbn16310748
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85084650170&doi=10.5802%2fcrchim.19&partnerID=40&md5=f73419e2a91ad1f7d1c539bea2381acb
dc.titleSynthesis of biosourced silica-Ag nanocomposites and amalgamation reaction with mercury in aqueous solutions
dc.typeArticle
dspace.entity.typePublication
oaire.citation.endPage92
oaire.citation.startPage77
oaire.citation.volume23

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