{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362262945874073728.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1039/b314938m"}},{"identifier":{"@type":"URI","@value":"http://pubs.rsc.org/en/content/articlepdf/2004/GC/B314938M"}}],"dc:title":[{"@value":"Studies on selective adsorbents for oxo-anions. Nitrate ion-exchange properties of layered double hydroxides with different metal atoms"}],"description":[{"notation":[{"@value":"Layered double hydroxides (LDHs) with different kinds of metal ions (Mg–Al, Co–Fe, Ni–Fe, and Mg–Fe) in the brucite layers were prepared and their anion exchange properties were studied by measurements of distribution coefficient (Kd) and ion exchange capacity. The basal spacing of LDHs varied depending on the kind of metal ions in the brucite layer. A relatively high Kd value for NO3− ions was observed on Ni–Fe type LDHs, and a markedly high Kd value for the hydrothermally-treated Ni–Fe type LDHs (Ni–Fe (HT)), prepared at 120 °C. These high Kd values correlated with the basal spacing of 0.81 nm observed for this sample, where the interlayer distance (0.33 nm) is suitable for the stable fixing of NO3− ions (ionic size = 0.33 nm). A chemical analysis study showed a Cl−/NO3− ion-exchange mechanism for NO3− adsorption on Ni–Fe (HT). The NO3− uptake by Ni–Fe (HT) was nearly constant (NO3/Fe = 0.7) over a pH range between 5 and 10, which also supports the adsorption mechanism of Cl−/NO3− ion exchange. The Ni–Fe (HT) could remove NO3− ions from seawater effectively (NO3− uptake = 168 μmol g−1) even though seawater contains an extremely large amount of coexisting anions. This novel adsorbent thus has a NO3− ion-sieve property and will prove beneficial for the selective removal of NO3− ions from industrial effluents and seawater to clean the environment."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262945874073603","@type":"Researcher","foaf:name":[{"@value":"Satoko Tezuka"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001205453376769","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000000463214"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0120305"}],"foaf:name":[{"@value":"Ramesh Chitrakar"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262945874073600","@type":"Researcher","foaf:name":[{"@value":"Akinari Sonoda"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262945874073602","@type":"Researcher","foaf:name":[{"@value":"Kenta Ooi"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262945874073728","@type":"Researcher","foaf:name":[{"@value":"Tahei Tomida"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"14639262"},{"@type":"EISSN","@value":"14639270"}],"prism:publicationName":[{"@value":"Green Chemistry"}],"dc:publisher":[{"@value":"Royal Society of Chemistry (RSC)"}],"prism:publicationDate":"2004","prism:volume":"6","prism:number":"2","prism:startingPage":"104"},"reviewed":"false","url":[{"@id":"http://pubs.rsc.org/en/content/articlepdf/2004/GC/B314938M"}],"createdAt":"2004-01-30","modifiedAt":"2024-04-17","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004230099603840","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Anion Selectivity of Layered Double Hydroxides: Effects of Crystallinity and Charge Density"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004232279566720","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Nitrate-ion-selective exchange ability of layered double hydroxide consisting of MgII and FeIII"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004240348155904","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Co—Fe Prussian Blue Analogue Intercalated into Diamagnetic Mg—Al Layered Double Hydroxides"}]},{"@id":"https://cir.nii.ac.jp/crid/1360023717932158848","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Designed functions of oxide/hydroxide nanosheets <i>via</i> elemental replacement/doping"}]},{"@id":"https://cir.nii.ac.jp/crid/1360565164349764224","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"High‐Yield Preparation, Versatile Structural Modification, and Properties of Layered Cobalt Hydroxide Nanocones"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567184384852736","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Geomaterials: their application to environmental remediation"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282763047559936","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Removal Behavior of Nitrate Using Fe-Layered Double Hydroxide Derived from Bittern"}]},{"@id":"https://cir.nii.ac.jp/crid/2050870367085354752","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Origin of selective nitrate removal by Ni2+-Al3+ layered double hydroxides in aqueous media and its application potential in seawater purification"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1039/b314938m"},{"@type":"OPENAIRE","@value":"doi_dedup___::4e5f23f1a230e6b67981f7d0400ee579"},{"@type":"CROSSREF","@value":"10.1002/ejic.201701067_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.5772/63276_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.1246/bcsj.20220032_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.1002/adfm.201400193_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.1088/1468-6996/12/6/064705_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.5182/jaie.29.147_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.1039/d4cs00339j_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"},{"@type":"CROSSREF","@value":"10.1016/j.jhazmat.2012.02.063_references_DOI_1D0lzEpNoq10DLTZe0qDdOiapuG"}]}