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Article: Spinel formation for stabilizing simulated nickel-laden sludge with aluminum-rich ceramic precursors

TitleSpinel formation for stabilizing simulated nickel-laden sludge with aluminum-rich ceramic precursors
Authors
Issue Date2006
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/est
Citation
Environmental Science And Technology, 2006, v. 40 n. 16, p. 5077-5083 How to Cite?
AbstractThe feasibility of stabilizing nickel-laden sludge from commonly available Al-rich ceramic precursors was investigated and accomplished with high nickel incorporation efficiency. To simulate the process, nickel oxide was mixed alternatively with γ-alumina, corundum, kaolinite, and mullite and was sintered from 800 to 1480 °C. The nickel aluminate spinel (NiAl 2O 4) was confirmed as the stabilization phase for nickel and crystallized with efficiencies greater than 90% for all precursors above 1250 °C and 3-h sintering. The nickel-incorporation reaction pathways with these precursors were identified, and the microstructure and spinel yield were investigated as a function of sintering temperature with fixed sintering time. This study has demonstrated a promising process for forming nickel spinel to stabilize nickel-laden sludge from a wide range of inexpensive ceramic precursors, which may provide an avenue for economically blending waste metal sludges via the building industry processes to reduce the environmental hazards of toxic metals. The correlation of product textures and nickel incorporation efficiencies through selection of different precursors also provides the option of tailoring property-specific products. © 2006 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/150367
ISSN
2015 Impact Factor: 5.393
2015 SCImago Journal Rankings: 2.664
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorShih, Ken_US
dc.contributor.authorWhite, Ten_US
dc.contributor.authorLeckie, JOen_US
dc.date.accessioned2012-06-26T06:03:55Z-
dc.date.available2012-06-26T06:03:55Z-
dc.date.issued2006en_US
dc.identifier.citationEnvironmental Science And Technology, 2006, v. 40 n. 16, p. 5077-5083en_US
dc.identifier.issn0013-936Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/150367-
dc.description.abstractThe feasibility of stabilizing nickel-laden sludge from commonly available Al-rich ceramic precursors was investigated and accomplished with high nickel incorporation efficiency. To simulate the process, nickel oxide was mixed alternatively with γ-alumina, corundum, kaolinite, and mullite and was sintered from 800 to 1480 °C. The nickel aluminate spinel (NiAl 2O 4) was confirmed as the stabilization phase for nickel and crystallized with efficiencies greater than 90% for all precursors above 1250 °C and 3-h sintering. The nickel-incorporation reaction pathways with these precursors were identified, and the microstructure and spinel yield were investigated as a function of sintering temperature with fixed sintering time. This study has demonstrated a promising process for forming nickel spinel to stabilize nickel-laden sludge from a wide range of inexpensive ceramic precursors, which may provide an avenue for economically blending waste metal sludges via the building industry processes to reduce the environmental hazards of toxic metals. The correlation of product textures and nickel incorporation efficiencies through selection of different precursors also provides the option of tailoring property-specific products. © 2006 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/esten_US
dc.relation.ispartofEnvironmental Science and Technologyen_US
dc.subject.meshAluminum - Chemistryen_US
dc.subject.meshCeramics - Chemistryen_US
dc.subject.meshEnvironmental Monitoring - Methodsen_US
dc.subject.meshMetallurgyen_US
dc.subject.meshMetals - Chemistryen_US
dc.subject.meshMetals, Heavy - Isolation & Purificationen_US
dc.subject.meshModels, Statisticalen_US
dc.subject.meshNickel - Chemistryen_US
dc.subject.meshRefuse Disposal - Methodsen_US
dc.subject.meshSewageen_US
dc.subject.meshTemperatureen_US
dc.subject.meshTime Factorsen_US
dc.subject.meshWaste Disposal, Fluiden_US
dc.subject.meshWater - Chemistryen_US
dc.titleSpinel formation for stabilizing simulated nickel-laden sludge with aluminum-rich ceramic precursorsen_US
dc.typeArticleen_US
dc.identifier.emailShih, K:kshih@hkucc.hku.hken_US
dc.identifier.authorityShih, K=rp00167en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/es052324zen_US
dc.identifier.pmid16955910-
dc.identifier.scopuseid_2-s2.0-33747513598en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33747513598&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume40en_US
dc.identifier.issue16en_US
dc.identifier.spage5077en_US
dc.identifier.epage5083en_US
dc.identifier.isiWOS:000239684900045-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridShih, K=14072108900en_US
dc.identifier.scopusauthoridWhite, T=7402587158en_US
dc.identifier.scopusauthoridLeckie, JO=7006717360en_US
dc.identifier.citeulike7562613-

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