Layered double hydroxides for removing and recovering phosphate: Recent advances and future directions

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dc.authorid0000-0002-5713-3141
dc.contributor.authorKeyikoglu, Ramazan
dc.contributor.authorKhataee, Alireza
dc.contributor.authorYoon, Yeojoon
dc.date.accessioned2026-02-12T21:05:04Z
dc.date.available2026-02-12T21:05:04Z
dc.date.issued2022
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractEutrophication is a widespread environmental challenge caused by excessive phosphate. Thus, wastewater engineers primarily aim to limit the phosphate concentration in water bodies. Layered double hydroxides (LDHs) are lamellar inorganic materials containing tunable brucite-like structures. This review discusses the fundamental aspects and latest developments in phosphate removal using LDH-based materials. Based on the divalent cations, Ca, Mg, and Zn-containing LDHs are largely used along with trivalent cations such as Al and Fe owing to their limited toxicities. However, classical LDHs are affected by the presence of co-existing anions, have a narrow working pH range, and have moderate adsorption capacities. Binary LDHs have been designed to be selective towards phosphate by the addition of a third metal such as Zr4+. Developing LDH composites with magnetic, polymeric or carbon materials are feasible approaches for increasing adsorption capacity, stability, and reusability of LDHs. Biochar as a carrier material for LDHs achieved remarkable phosphate adsorption performance and improved LDH dispersion, anion exchange capacity, and ease of separation. The use of recovered phosphate as an SRF, which is a type of bioavailable fertilizer, is a promising approach.
dc.description.sponsorshipScientific and Technical Research Council of Turkey (TUBITAK) [120Y350]; National Research Foundation of Korea (NRF) - Korea Government (MSIT) [NRF-2020R1F1A1076312]
dc.description.sponsorshipWe would like to thank the Scientific and Technical Research Council of Turkey (TUBITAK, Project Number: 120Y350) for funding the research project. Yeojoon Yoon acknowledges supports provided by the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MSIT) (No. NRF-2020R1F1A1076312).
dc.identifier.doi10.1016/j.cis.2021.102598
dc.identifier.issn0001-8686
dc.identifier.issn1873-3727
dc.identifier.pmid35007948
dc.identifier.scopus2-s2.0-85122437438
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.cis.2021.102598
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6763
dc.identifier.volume300
dc.identifier.wosWOS:000881793200001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofAdvances in Colloid and Interface Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260212
dc.subjectLayered nanomaterials
dc.subjectPhosphate species
dc.subjectPhosphate recovery
dc.subjectCarbon composites
dc.subjectAdsorption
dc.titleLayered double hydroxides for removing and recovering phosphate: Recent advances and future directions
dc.typeArticle

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