Crystallization of sodalite particles under Bayer-type conditions
The formation of desilication products (DSPs) is an important process in the pre-desilication step of the Bayer process, helping to limit the potential for unwanted scale on the heat exchangers by limiting the amount of silicate in the Bayer liquor. These solids generally have a crystalline sodalite...
| Main Authors: | , , , |
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| Format: | Journal Article |
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Elsevier Science BV
2013
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| Online Access: | http://hdl.handle.net/20.500.11937/38058 |
| _version_ | 1848755216684417024 |
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| author | Radomirovic, Tomoko Smith, P. Southam, Daniel Jones, Franca |
| author_facet | Radomirovic, Tomoko Smith, P. Southam, Daniel Jones, Franca |
| author_sort | Radomirovic, Tomoko |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The formation of desilication products (DSPs) is an important process in the pre-desilication step of the Bayer process, helping to limit the potential for unwanted scale on the heat exchangers by limiting the amount of silicate in the Bayer liquor. These solids generally have a crystalline sodalite structure, however, the fundamentals of crystallization are still to be fully understood. We show in this work that the DSP formed is initially amorphous when solution silicate is used. When kaolinite solids are present DSP is initially heterogeneously nucleated on the kaolinite but there is also a secondary nucleation event that occurs. |
| first_indexed | 2025-11-14T08:52:47Z |
| format | Journal Article |
| id | curtin-20.500.11937-38058 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T08:52:47Z |
| publishDate | 2013 |
| publisher | Elsevier Science BV |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-380582019-02-19T05:35:11Z Crystallization of sodalite particles under Bayer-type conditions Radomirovic, Tomoko Smith, P. Southam, Daniel Jones, Franca Bayer process DSP Silicate Kaolin Heterogenous nucleation The formation of desilication products (DSPs) is an important process in the pre-desilication step of the Bayer process, helping to limit the potential for unwanted scale on the heat exchangers by limiting the amount of silicate in the Bayer liquor. These solids generally have a crystalline sodalite structure, however, the fundamentals of crystallization are still to be fully understood. We show in this work that the DSP formed is initially amorphous when solution silicate is used. When kaolinite solids are present DSP is initially heterogeneously nucleated on the kaolinite but there is also a secondary nucleation event that occurs. 2013 Journal Article http://hdl.handle.net/20.500.11937/38058 10.1016/j.hydromet.2013.05.006 Elsevier Science BV fulltext |
| spellingShingle | Bayer process DSP Silicate Kaolin Heterogenous nucleation Radomirovic, Tomoko Smith, P. Southam, Daniel Jones, Franca Crystallization of sodalite particles under Bayer-type conditions |
| title | Crystallization of sodalite particles under Bayer-type conditions |
| title_full | Crystallization of sodalite particles under Bayer-type conditions |
| title_fullStr | Crystallization of sodalite particles under Bayer-type conditions |
| title_full_unstemmed | Crystallization of sodalite particles under Bayer-type conditions |
| title_short | Crystallization of sodalite particles under Bayer-type conditions |
| title_sort | crystallization of sodalite particles under bayer-type conditions |
| topic | Bayer process DSP Silicate Kaolin Heterogenous nucleation |
| url | http://hdl.handle.net/20.500.11937/38058 |