Nickel powder precipitation by high-pressure hydrogen reduction

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dc.contributor.advisorLewis, Alison Emslieen_ZA
dc.contributor.authorNtuli, Freemanen_ZA
dc.date.accessioned2014-07-31T11:14:42Z
dc.date.available2014-07-31T11:14:42Z
dc.date.issued2008en_ZA
dc.descriptionIncludes abstract.
dc.descriptionIncludes bibliographical references (leaves 87-91).
dc.description.abstractThe effect of impurities on the precipitation behaviour of nickel powder produced by high-pressure hydrogen reduction was investigated in order to determine the factors responsible for the formation of powder with undesirable morphology. In nickel precipitation by hydrogen reduction, two product morphologies have been observed: the spherical, open powder (desirable) and the spherical, closing/closed powder (undesirable). Two major impurities were studied namely; a morphology modifier (a polyacrylic acid derivative) used as an additive and iron which is an inherent impurity.en_ZA
dc.identifier.apacitationNtuli, F. (2008). <i>Nickel powder precipitation by high-pressure hydrogen reduction</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Chemical Engineering. Retrieved from http://hdl.handle.net/11427/5422en_ZA
dc.identifier.chicagocitationNtuli, Freeman. <i>"Nickel powder precipitation by high-pressure hydrogen reduction."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Chemical Engineering, 2008. http://hdl.handle.net/11427/5422en_ZA
dc.identifier.citationNtuli, F. 2008. Nickel powder precipitation by high-pressure hydrogen reduction. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Ntuli, Freeman AB - The effect of impurities on the precipitation behaviour of nickel powder produced by high-pressure hydrogen reduction was investigated in order to determine the factors responsible for the formation of powder with undesirable morphology. In nickel precipitation by hydrogen reduction, two product morphologies have been observed: the spherical, open powder (desirable) and the spherical, closing/closed powder (undesirable). Two major impurities were studied namely; a morphology modifier (a polyacrylic acid derivative) used as an additive and iron which is an inherent impurity. DA - 2008 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2008 T1 - Nickel powder precipitation by high-pressure hydrogen reduction TI - Nickel powder precipitation by high-pressure hydrogen reduction UR - http://hdl.handle.net/11427/5422 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/5422
dc.identifier.vancouvercitationNtuli F. Nickel powder precipitation by high-pressure hydrogen reduction. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Chemical Engineering, 2008 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/5422en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Chemical Engineeringen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherChemical Engineeringen_ZA
dc.titleNickel powder precipitation by high-pressure hydrogen reductionen_ZA
dc.typeDoctoral Thesis
dc.type.qualificationlevelDoctoral
dc.type.qualificationnamePhDen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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