Recovery of Magnesium from Industrial Effluent and Its Implication on Carbon Capture and Storage

Le, VG; Vo, DVN; Tran, HT; Duy Dat, N; Luu, SDN; Rahman, MM; Huang, YH; Vu, CT

Recovery of Magnesium from Industrial Effluent and Its Implication on Carbon Capture and Storage

Le, VG Vo, DVN Tran, HT Duy Dat, N Luu, SDN Rahman, MM Huang, YH Vu, CT

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Publisher:: American Chemical Society
Publication Type:: Journal Article
Citation:: ACS Sustainable Chemistry and Engineering, 2021, 9, (19), pp. 6732-6740
Issue Date:: 2021-05-17

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Field	Value	Language
dc.contributor.author	Le, VG
dc.contributor.author	Vo, DVN
dc.contributor.author	Tran, HT
dc.contributor.author	Duy Dat, N
dc.contributor.author	Luu, SDN
dc.contributor.author	Rahman, MM
dc.contributor.author	Huang, YH
dc.contributor.author	Vu, CT
dc.date.accessioned	2022-05-16T04:43:51Z
dc.date.available	2022-05-16T04:43:51Z
dc.date.issued	2021-05-17
dc.identifier.citation	ACS Sustainable Chemistry and Engineering, 2021, 9, (19), pp. 6732-6740
dc.identifier.issn	2168-0485
dc.identifier.issn	2168-0485
dc.identifier.uri	http://hdl.handle.net/10453/157413
dc.description.abstract	Municipal and industrial wastewater can be a potential source of magnesium. Therefore, the development of magnesium recovery technology can both release the burden of wastewater treatment and help recycle the metal, which is in high-market demand. Also, the recovery of magnesium in the form of magnesium carbonate has an implication on carbon capture and storage (CCS). In this study, fluidized bed homogeneous crystallization (FBHC) was employed for the recovery of magnesium from actual industrial effluent. The optimal conditions for the operation of FBHC were pH, 11.3; [Mg2+]/[CO32-], 1.2; surface loading rate, 1.8 kg/m2 h; and upflow velocity, 15.5 m/h, where the total recovery (TR) and crystallization (CR) efficiencies reached 88.5 and 85.4%, respectively. The recovered products were of high purity (93.5%) and in the form of nesquehonite (MgCO3·3H2O) pellets (size 1.2 mm), which could be further reused easily. From the scanning electron microscopy analysis, it was observed that they possessed a round shape and a smooth surface. In summary, FBHC is a promising recovery technology for magnesium-rich wastewater, where carbon capture and storage can be simultaneously integrated.
dc.language	English
dc.publisher	American Chemical Society
dc.relation.ispartof	ACS Sustainable Chemistry and Engineering
dc.relation.isbasedon	10.1021/acssuschemeng.1c00754
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0301 Analytical Chemistry, 0502 Environmental Science and Management, 0904 Chemical Engineering
dc.title	Recovery of Magnesium from Industrial Effluent and Its Implication on Carbon Capture and Storage
dc.type	Journal Article
utslib.citation.volume	9
utslib.for	0301 Analytical Chemistry
utslib.for	0502 Environmental Science and Management
utslib.for	0904 Chemical Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-05-16T04:43:48Z
pubs.issue	19
pubs.publication-status	Published
pubs.volume	9
utslib.citation.issue	19

Abstract:

Municipal and industrial wastewater can be a potential source of magnesium. Therefore, the development of magnesium recovery technology can both release the burden of wastewater treatment and help recycle the metal, which is in high-market demand. Also, the recovery of magnesium in the form of magnesium carbonate has an implication on carbon capture and storage (CCS). In this study, fluidized bed homogeneous crystallization (FBHC) was employed for the recovery of magnesium from actual industrial effluent. The optimal conditions for the operation of FBHC were pH, 11.3; [Mg2+]/[CO32-], 1.2; surface loading rate, 1.8 kg/m2 h; and upflow velocity, 15.5 m/h, where the total recovery (TR) and crystallization (CR) efficiencies reached 88.5 and 85.4%, respectively. The recovered products were of high purity (93.5%) and in the form of nesquehonite (MgCO3·3H2O) pellets (size 1.2 mm), which could be further reused easily. From the scanning electron microscopy analysis, it was observed that they possessed a round shape and a smooth surface. In summary, FBHC is a promising recovery technology for magnesium-rich wastewater, where carbon capture and storage can be simultaneously integrated.

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http://hdl.handle.net/10453/157413