Enhanced phosphate anion flux through single-ion, reverse-selective mixed-matrix cation exchange membrane

Xinyi Wang; Minhao Xiao; Sungsoon Kim; Jeffrey Zhang; Minju Cha; Anya Dickinson-Cove; Fan Yang; Kenji Lam; Sungju Im; Ziwei Hou; Jishan Wu; Zhiyong Jason Ren; Christos T. Maravelias; Eric M.V. Hoek; David Jassby

doi:10.1016/j.memlet.2024.100086

Enhanced phosphate anion flux through single-ion, reverse-selective mixed-matrix cation exchange membrane

Xinyi Wang, Minhao Xiao, Sungsoon Kim, Jeffrey Zhang, Minju Cha, Anya Dickinson-Cove, Fan Yang, Kenji Lam, Sungju Im, Ziwei Hou, Jishan Wu, Zhiyong Jason Ren, Christos T. Maravelias, Eric M.V. Hoek, David Jassby

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Phosphate recovery from wastewater is vital for both environmental sustainability and resource conservation, offering the dual benefit of reducing phosphate pollution while providing a valuable source of this essential nutrient. We previously reported an approach for synthesizing hydrous manganese oxide (HMO) nanoparticles within a polymeric cation-exchange membrane (CEM) to achieve a phosphate-selective mixed-matrix membrane (PhSMMM); however, the phosphate flux was lower than desired. Herein, we demonstrate a next-generation PhSMMM membrane with enhanced phosphate flux and selectivity. Experimental results confirm the successful incorporation of up to 28 wt% HMO nanoparticles into the polymeric CEM. The new PhSMMM exhibits a phosphate flux of 1.57 mmol∙m^–2.hr^–1 (an 8.5X enhancement), with selectivity over chloride, nitrate, and sulfate ions of 9, 11, and 104, respectively. This significant enhancement in phosphate flux marks a promising advancement in a sustainable solution for phosphate removal and recovery from wastewater.

Original language	English (US)
Article number	100086
Journal	Journal of Membrane Science Letters
Volume	4
Issue number	2
DOIs	https://doi.org/10.1016/j.memlet.2024.100086
State	Published - Dec 2024

All Science Journal Classification (ASJC) codes

Biochemistry
General Materials Science
Physical and Theoretical Chemistry
Filtration and Separation

Keywords

Ion-exchange membrane
Mixed-matrix
Phosphate
Reverse-selective
Single-ion selective

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10.1016/j.memlet.2024.100086

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Wang, X., Xiao, M., Kim, S., Zhang, J., Cha, M., Dickinson-Cove, A., Yang, F., Lam, K., Im, S., Hou, Z., Wu, J., Ren, Z. J., Maravelias, C. T., Hoek, E. M. V., & Jassby, D. (2024). Enhanced phosphate anion flux through single-ion, reverse-selective mixed-matrix cation exchange membrane. Journal of Membrane Science Letters, 4(2), Article 100086. https://doi.org/10.1016/j.memlet.2024.100086

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title = "Enhanced phosphate anion flux through single-ion, reverse-selective mixed-matrix cation exchange membrane",

abstract = "Phosphate recovery from wastewater is vital for both environmental sustainability and resource conservation, offering the dual benefit of reducing phosphate pollution while providing a valuable source of this essential nutrient. We previously reported an approach for synthesizing hydrous manganese oxide (HMO) nanoparticles within a polymeric cation-exchange membrane (CEM) to achieve a phosphate-selective mixed-matrix membrane (PhSMMM); however, the phosphate flux was lower than desired. Herein, we demonstrate a next-generation PhSMMM membrane with enhanced phosphate flux and selectivity. Experimental results confirm the successful incorporation of up to 28 wt% HMO nanoparticles into the polymeric CEM. The new PhSMMM exhibits a phosphate flux of 1.57 mmol∙m–2.hr–1 (an 8.5X enhancement), with selectivity over chloride, nitrate, and sulfate ions of 9, 11, and 104, respectively. This significant enhancement in phosphate flux marks a promising advancement in a sustainable solution for phosphate removal and recovery from wastewater.",

keywords = "Ion-exchange membrane, Mixed-matrix, Phosphate, Reverse-selective, Single-ion selective",

author = "Xinyi Wang and Minhao Xiao and Sungsoon Kim and Jeffrey Zhang and Minju Cha and Anya Dickinson-Cove and Fan Yang and Kenji Lam and Sungju Im and Ziwei Hou and Jishan Wu and Ren, {Zhiyong Jason} and Maravelias, {Christos T.} and Hoek, {Eric M.V.} and David Jassby",

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year = "2024",

month = dec,

doi = "10.1016/j.memlet.2024.100086",

language = "English (US)",

volume = "4",

journal = "Journal of Membrane Science Letters",

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T1 - Enhanced phosphate anion flux through single-ion, reverse-selective mixed-matrix cation exchange membrane

AU - Wang, Xinyi

AU - Xiao, Minhao

AU - Kim, Sungsoon

AU - Zhang, Jeffrey

AU - Cha, Minju

AU - Dickinson-Cove, Anya

AU - Yang, Fan

AU - Lam, Kenji

AU - Im, Sungju

AU - Hou, Ziwei

AU - Wu, Jishan

AU - Ren, Zhiyong Jason

AU - Maravelias, Christos T.

AU - Hoek, Eric M.V.

AU - Jassby, David

PY - 2024/12

Y1 - 2024/12

N2 - Phosphate recovery from wastewater is vital for both environmental sustainability and resource conservation, offering the dual benefit of reducing phosphate pollution while providing a valuable source of this essential nutrient. We previously reported an approach for synthesizing hydrous manganese oxide (HMO) nanoparticles within a polymeric cation-exchange membrane (CEM) to achieve a phosphate-selective mixed-matrix membrane (PhSMMM); however, the phosphate flux was lower than desired. Herein, we demonstrate a next-generation PhSMMM membrane with enhanced phosphate flux and selectivity. Experimental results confirm the successful incorporation of up to 28 wt% HMO nanoparticles into the polymeric CEM. The new PhSMMM exhibits a phosphate flux of 1.57 mmol∙m–2.hr–1 (an 8.5X enhancement), with selectivity over chloride, nitrate, and sulfate ions of 9, 11, and 104, respectively. This significant enhancement in phosphate flux marks a promising advancement in a sustainable solution for phosphate removal and recovery from wastewater.

AB - Phosphate recovery from wastewater is vital for both environmental sustainability and resource conservation, offering the dual benefit of reducing phosphate pollution while providing a valuable source of this essential nutrient. We previously reported an approach for synthesizing hydrous manganese oxide (HMO) nanoparticles within a polymeric cation-exchange membrane (CEM) to achieve a phosphate-selective mixed-matrix membrane (PhSMMM); however, the phosphate flux was lower than desired. Herein, we demonstrate a next-generation PhSMMM membrane with enhanced phosphate flux and selectivity. Experimental results confirm the successful incorporation of up to 28 wt% HMO nanoparticles into the polymeric CEM. The new PhSMMM exhibits a phosphate flux of 1.57 mmol∙m–2.hr–1 (an 8.5X enhancement), with selectivity over chloride, nitrate, and sulfate ions of 9, 11, and 104, respectively. This significant enhancement in phosphate flux marks a promising advancement in a sustainable solution for phosphate removal and recovery from wastewater.

KW - Ion-exchange membrane

KW - Mixed-matrix

KW - Phosphate

KW - Reverse-selective

KW - Single-ion selective

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Enhanced phosphate anion flux through single-ion, reverse-selective mixed-matrix cation exchange membrane

Abstract

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