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Nickel powder precipitation by high-pressure hydrogen reduction
Includes abstract.
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| Main Author: | |
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
| Published: |
Department of Chemical Engineering
2014
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| _version_ | 1867613212311027712 |
|---|---|
| access_status_str | Open Access |
| author | Ntuli, Freeman |
| author2 | Lewis, Alison Emslie |
| author_browse | Lewis, Alison Emslie Ntuli, Freeman |
| author_facet | Lewis, Alison Emslie Ntuli, Freeman |
| author_sort | Ntuli, Freeman |
| collection | Thesis |
| description | Includes abstract. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/5422 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:33.381Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2014 |
| publishDateRange | 2014 |
| publishDateSort | 2014 |
| publisher | Department of Chemical Engineering |
| publisherStr | Department of Chemical Engineering |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/5422 Nickel powder precipitation by high-pressure hydrogen reduction Ntuli, Freeman Lewis, Alison Emslie Chemical Engineering Includes abstract. Includes bibliographical references (leaves 87-91). 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. 2014-07-31T11:14:42Z 2014-07-31T11:14:42Z 2008 Doctoral Thesis Doctoral PhD http://hdl.handle.net/11427/5422 eng application/pdf Department of Chemical Engineering Faculty of Engineering and the Built Environment University of Cape Town |
| spellingShingle | Chemical Engineering Ntuli, Freeman Nickel powder precipitation by high-pressure hydrogen reduction |
| thesis_degree_str | Doctoral |
| title | Nickel powder precipitation by high-pressure hydrogen reduction |
| title_full | Nickel powder precipitation by high-pressure hydrogen reduction |
| title_fullStr | Nickel powder precipitation by high-pressure hydrogen reduction |
| title_full_unstemmed | Nickel powder precipitation by high-pressure hydrogen reduction |
| title_short | Nickel powder precipitation by high-pressure hydrogen reduction |
| title_sort | nickel powder precipitation by high pressure hydrogen reduction |
| topic | Chemical Engineering |
| url | http://hdl.handle.net/11427/5422 |
| work_keys_str_mv | AT ntulifreeman nickelpowderprecipitationbyhighpressurehydrogenreduction |