| Title | Influence of Operational Strategies for the Recovery of Magnesium Hydroxide from Brines at a Pilot Scale |
|---|---|
| ID_Doc | 17972 |
| Authors | Morgante, C; Vassallo, F; Battaglia, G; Cipollina, A; Vicari, F; Tamburini, A; Micale, G |
| Title | Influence of Operational Strategies for the Recovery of Magnesium Hydroxide from Brines at a Pilot Scale |
| Year | 2022 |
| Published | Industrial & Engineering Chemistry Research, 61, 41 |
| Abstract | The continuous depletion of minerals caused by land mining and the increase in their demand have pushed the development of novel sustainable technological processes for mineral recovery from unconventional sources. In this context, magnesium (Mg) has gained considerable attention for its peculiar properties and high relevance of its compounds, such as magnesium hydroxide, Mg(OH)2. In the present work, the influence of several operating conditions on the Mg(OH)2 precipitation process was thoroughly investigated by adopting a novel multiple feed-plug flow reactor. The influence of (i) initial Mg2+ concentrations in the feed stream; (ii) brine and alkaline flow rates; and (iii) the product recycling strategy (seeded crystallization) was considered. The results marked the possibility of improving sedimentation and filterability properties of Mg(OH)2 suspensions by adopting the recycling strategy to overcome industrial issues associated with the production of Mg(OH)2 suspensions using NaOH solutions. |
| https://pubs.acs.org/doi/pdf/10.1021/acs.iecr.2c02935 |
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