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Article: Nickel aluminate spinel formation during sintering of simulated Ni-laden sludge and kaolinite

TitleNickel aluminate spinel formation during sintering of simulated Ni-laden sludge and kaolinite
Authors
KeywordsAl2o3
Nial2o4
Sintering
Spinels
Waste Materials
X-Ray Methods
Issue Date2007
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jeurceramsoc
Citation
Journal Of The European Ceramic Society, 2007, v. 27 n. 1, p. 91-99 How to Cite?
AbstractIncorporating Ni-laden waste sludge into kaolinite-based construction ceramic materials appears promising based on the identified nickel bearing phases, evaluated incorporation efficiency and nickel leachability of the products. Nickel aluminate spinel (NiAl2O4) results from sintering kaolinite and nickel oxide between 990 and 1480 °C, with more than 90% incorporation efficiency achieved at 1250 °C and 3 h sintering. At lower temperature (990 °C), NiAl2O4 formed from the reaction between nickel oxide and the defect spinel generated from the kaolinite-mullite reaction series. In addition to sintering temperature and time, four raw material mixing procedures were employed, and the ball-milled slurry samples had the highest nickel incorporation efficiency. Prolonged leach testing of NiO, NiAl2O4 and the product from sintered kaolinite + NiO mixtures was carried out using the TCLP extraction fluid #1 (pH 4.9) to evaluate the product stability, and the results revealed the superiority of spinel products over NiO in stabilizing nickel. © 2006 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150378
ISSN
2015 Impact Factor: 2.933
2015 SCImago Journal Rankings: 1.177
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorShih, Ken_US
dc.contributor.authorLeckie, JOen_US
dc.date.accessioned2012-06-26T06:04:03Z-
dc.date.available2012-06-26T06:04:03Z-
dc.date.issued2007en_US
dc.identifier.citationJournal Of The European Ceramic Society, 2007, v. 27 n. 1, p. 91-99en_US
dc.identifier.issn0955-2219en_US
dc.identifier.urihttp://hdl.handle.net/10722/150378-
dc.description.abstractIncorporating Ni-laden waste sludge into kaolinite-based construction ceramic materials appears promising based on the identified nickel bearing phases, evaluated incorporation efficiency and nickel leachability of the products. Nickel aluminate spinel (NiAl2O4) results from sintering kaolinite and nickel oxide between 990 and 1480 °C, with more than 90% incorporation efficiency achieved at 1250 °C and 3 h sintering. At lower temperature (990 °C), NiAl2O4 formed from the reaction between nickel oxide and the defect spinel generated from the kaolinite-mullite reaction series. In addition to sintering temperature and time, four raw material mixing procedures were employed, and the ball-milled slurry samples had the highest nickel incorporation efficiency. Prolonged leach testing of NiO, NiAl2O4 and the product from sintered kaolinite + NiO mixtures was carried out using the TCLP extraction fluid #1 (pH 4.9) to evaluate the product stability, and the results revealed the superiority of spinel products over NiO in stabilizing nickel. © 2006 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jeurceramsocen_US
dc.relation.ispartofJournal of the European Ceramic Societyen_US
dc.subjectAl2o3en_US
dc.subjectNial2o4en_US
dc.subjectSinteringen_US
dc.subjectSpinelsen_US
dc.subjectWaste Materialsen_US
dc.subjectX-Ray Methodsen_US
dc.titleNickel aluminate spinel formation during sintering of simulated Ni-laden sludge and kaoliniteen_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.doi10.1016/j.jeurceramsoc.2006.04.176en_US
dc.identifier.scopuseid_2-s2.0-33750500252en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33750500252&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume27en_US
dc.identifier.issue1en_US
dc.identifier.spage91en_US
dc.identifier.epage99en_US
dc.identifier.isiWOS:000242565400013-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridShih, K=14072108900en_US
dc.identifier.scopusauthoridLeckie, JO=7006717360en_US

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