Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane

Wenyuan Ye; Mingqiu Hong; Xuan Huang; Tianci Chen; Ailiang Gu; Xiaocheng Lin; Xuewei Li; Xiangrong Chen; Dong Han Seo; Shuaifei Zhao; Xueming Chen; Bart Van der Bruggen; Ming Xie; Jiuyang Lin

doi:10.1016/j.scitotenv.2023.165335

Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane

Wenyuan Ye, Mingqiu Hong, Xuan Huang, Tianci Chen, Ailiang Gu, Xiaocheng Lin, Xuewei Li, Xiangrong Chen, Dong Han Seo, Shuaifei Zhao, Xueming Chen, Bart Van der Bruggen, Ming Xie, Jiuyang Lin

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

12 Citations (SciVal)

Abstract

Under the environmental sustainability concept, landfill leachate concentrate can be up-cycled as a useful resource. Practical strategy for effective management of landfill leachate concentrate is to recover the existing humate as fertilizer purpose for plant growth. Herein, we designed an electro-neutral nanofiltration membrane to separate the humate and inorganic salts for achieving a sufficient humate recovery from leachate concentrate. The electro-neutral nanofiltration membrane yielded a high retention of humate (96.54 %) with an extremely low salt rejection (3.47 %), tremendously outperforming the state-of-the-art nanofiltration membranes and exhibiting superior promise in fractionation of humate and inorganic salts. With implementation of the pressure-driven concentration process, the electro-neutral nanofiltration membrane enriched the humate from 1756 to 51,466 mg∙L⁻¹ at a fold of 32.6, enabling 90.0 % humate recovery and 96.4 % desalination efficiency from landfill leachate concentrate. Furthermore, the recovered humate not only exerted no phytotoxicity, but also significantly promoted the metabolism of red bean plants, serving as an effective green fertilizer. The study provides a conceptual and technical platform using high-performance electro-neutral nanofiltration membranes to extract the humate as a promising nutrient for fertilizer application, in view of sustainable landfill leachate concentrate treatment.

Original language	English
Article number	165335
Number of pages	9
Journal	Science of the Total Environment
Volume	896
Early online date	5 Jul 2023
DOIs	https://doi.org/10.1016/j.scitotenv.2023.165335
Publication status	Published - 20 Oct 2023

Bibliographical note

Funding Information:
J. Lin would like to thank the funding support from the National Key Research and Development Program of China ( 2021YFC3201400 ) and the Natural Science Foundation of Fujian Province (Grant No.: 2021J01628 ). X. Huang and A. Gu would like to thank the funding support from the National Key Research and Development Program of China (Grant No. 2018YFC1802400 ). M. Xie would like to thank the funding support from the Royal Society ( IEC\NSFC\211021 ). D.H. Seo would like to acknowledge the research support from the Korea Institute of Energy Technology (KENTECH) .

Keywords

Desalination
Electro-neutral nanofiltration membranes
Green fertilizer
Humate extraction
Landfill leachate concentrate

ASJC Scopus subject areas

Environmental Engineering
Environmental Chemistry
Waste Management and Disposal
Pollution

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.scitotenv.2023.165335

Cite this

Ye, W., Hong, M., Huang, X., Chen, T., Gu, A., Lin, X., Li, X., Chen, X., Seo, D. H., Zhao, S., Chen, X., Van der Bruggen, B., Xie, M., & Lin, J. (2023). Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane. Science of the Total Environment, 896, Article 165335. https://doi.org/10.1016/j.scitotenv.2023.165335

Ye, W, Hong, M, Huang, X, Chen, T, Gu, A, Lin, X, Li, X, Chen, X, Seo, DH, Zhao, S, Chen, X, Van der Bruggen, B, Xie, M & Lin, J 2023, 'Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane', Science of the Total Environment, vol. 896, 165335. https://doi.org/10.1016/j.scitotenv.2023.165335

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abstract = "Under the environmental sustainability concept, landfill leachate concentrate can be up-cycled as a useful resource. Practical strategy for effective management of landfill leachate concentrate is to recover the existing humate as fertilizer purpose for plant growth. Herein, we designed an electro-neutral nanofiltration membrane to separate the humate and inorganic salts for achieving a sufficient humate recovery from leachate concentrate. The electro-neutral nanofiltration membrane yielded a high retention of humate (96.54 %) with an extremely low salt rejection (3.47 %), tremendously outperforming the state-of-the-art nanofiltration membranes and exhibiting superior promise in fractionation of humate and inorganic salts. With implementation of the pressure-driven concentration process, the electro-neutral nanofiltration membrane enriched the humate from 1756 to 51,466 mg∙L−1 at a fold of 32.6, enabling 90.0 % humate recovery and 96.4 % desalination efficiency from landfill leachate concentrate. Furthermore, the recovered humate not only exerted no phytotoxicity, but also significantly promoted the metabolism of red bean plants, serving as an effective green fertilizer. The study provides a conceptual and technical platform using high-performance electro-neutral nanofiltration membranes to extract the humate as a promising nutrient for fertilizer application, in view of sustainable landfill leachate concentrate treatment.",

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author = "Wenyuan Ye and Mingqiu Hong and Xuan Huang and Tianci Chen and Ailiang Gu and Xiaocheng Lin and Xuewei Li and Xiangrong Chen and Seo, {Dong Han} and Shuaifei Zhao and Xueming Chen and {Van der Bruggen}, Bart and Ming Xie and Jiuyang Lin",

note = "Funding Information: J. Lin would like to thank the funding support from the National Key Research and Development Program of China ( 2021YFC3201400 ) and the Natural Science Foundation of Fujian Province (Grant No.: 2021J01628 ). X. Huang and A. Gu would like to thank the funding support from the National Key Research and Development Program of China (Grant No. 2018YFC1802400 ). M. Xie would like to thank the funding support from the Royal Society ( IEC\NSFC\211021 ). D.H. Seo would like to acknowledge the research support from the Korea Institute of Energy Technology (KENTECH) . ",

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AU - Gu, Ailiang

AU - Lin, Xiaocheng

AU - Li, Xuewei

AU - Chen, Xiangrong

AU - Seo, Dong Han

AU - Zhao, Shuaifei

AU - Chen, Xueming

AU - Van der Bruggen, Bart

AU - Xie, Ming

AU - Lin, Jiuyang

N1 - Funding Information: J. Lin would like to thank the funding support from the National Key Research and Development Program of China ( 2021YFC3201400 ) and the Natural Science Foundation of Fujian Province (Grant No.: 2021J01628 ). X. Huang and A. Gu would like to thank the funding support from the National Key Research and Development Program of China (Grant No. 2018YFC1802400 ). M. Xie would like to thank the funding support from the Royal Society ( IEC\NSFC\211021 ). D.H. Seo would like to acknowledge the research support from the Korea Institute of Energy Technology (KENTECH) .

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N2 - Under the environmental sustainability concept, landfill leachate concentrate can be up-cycled as a useful resource. Practical strategy for effective management of landfill leachate concentrate is to recover the existing humate as fertilizer purpose for plant growth. Herein, we designed an electro-neutral nanofiltration membrane to separate the humate and inorganic salts for achieving a sufficient humate recovery from leachate concentrate. The electro-neutral nanofiltration membrane yielded a high retention of humate (96.54 %) with an extremely low salt rejection (3.47 %), tremendously outperforming the state-of-the-art nanofiltration membranes and exhibiting superior promise in fractionation of humate and inorganic salts. With implementation of the pressure-driven concentration process, the electro-neutral nanofiltration membrane enriched the humate from 1756 to 51,466 mg∙L−1 at a fold of 32.6, enabling 90.0 % humate recovery and 96.4 % desalination efficiency from landfill leachate concentrate. Furthermore, the recovered humate not only exerted no phytotoxicity, but also significantly promoted the metabolism of red bean plants, serving as an effective green fertilizer. The study provides a conceptual and technical platform using high-performance electro-neutral nanofiltration membranes to extract the humate as a promising nutrient for fertilizer application, in view of sustainable landfill leachate concentrate treatment.

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Towards effective recovery of humate as green fertilizer from landfill leachate concentrate by electro-neutral nanofiltration membrane

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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