A systematic review on the investigation of optimal operating conditions of the reverse osmosis process in nitrate removal from drinking water

Zirrahi, Fatemeh; Hadi, Mahdi; Nabizadeh Nodehi, Ramin; Ghordouei Milan, Esfandiar; Bashardoust, Parnia; Abolli, Samaneh; Alimohammadi, Mahmood

doi:10.1016/j.rineng.2024.101947

Results in Engineering

2024

DOI: 10.1016/j.rineng.2024.101947

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A systematic review on the investigation of optimal operating conditions of the reverse osmosis process in nitrate removal from drinking water

Fatemeh Zirrahi,

Mahdi Hadi,

Ramin Nabizadeh Nodehi

et al.

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2024

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Cited by 2 publications

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Recent advances in membrane distillation hybrids for energy-efficient process configurations: Technology categorization, operational parameters identification, and energy recovery strategies

Shalaby,

Zayed,

Hammad

et al. 2024

Process Safety and Environmental Protection

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Recent advances in membrane distillation hybrids for energy-efficient process configurations: Technology categorization, operational parameters identification, and energy recovery strategies

Shalaby,

Zayed,

Hammad

et al. 2024

Process Safety and Environmental Protection

View full text Add to dashboard Cite

Incorporation of Graphene Oxide Quantum Dots in Gradient Layers of Polyethersulphone Nanofiltration Membranes for Nitrate Rejection from Aqueous Solution

Li,

Zhai,

Wang

et al. 2024

ACS Appl. Mater. Interfaces

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Graphene oxide quantum dots (GOQDs) have been widely used to prepare nanofiltration membranes due to the merits of excellent dispersity, ultrasmall size, and unique properties related to graphene. In this study, we first prepared the polyethersulphonebased nanofiltration (PES-NF) membrane via an interfacial polymerization process using a piperazine and m-phenylenediamine mixed solution as the aqueous phase. Then GOQDs were incorporated into the top-down gradient structured layers (i.e., ultrathin layer, interlayer, and substrate membrane layer) of the nanofiltration membrane, and subsequently the effect of GOQD addition on the nitrate rejection was evaluated. Compared with the pristine PES-NF membrane without the incorporation of GOQDs, the fabricated NF membrane (GOQD/PES-NF-2) incorporating GOQDs at both the ultrathin layer and interlayer exhibits more remarkable performances (an acceptable permeation flux of 52.2 L m −1 h −1 and excellent nitrate rejection of 96.3% at 0.6 MPa), the permeation flux of this membrane increases by nearly 2.4 times, and its nitrate rejection also shows a slight enhancement (∼7.6%) compared with those of PES-NF. Remarkably, at the operating pressure much lower than that required by reverse osmosis membranes, the GOQD/PES-NF-2 membrane possesses an equivalent monovalent ion rejection to reverse osmosis membranes but a higher permeation flux. Furthermore, the result of a 7 day continuous stability test validates the excellent durability of the GOQD/PES-NF-2 membrane, and its antifouling and chlorine resistance performances also outperform those of the PES-NF membrane.

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A systematic review on the investigation of optimal operating conditions of the reverse osmosis process in nitrate removal from drinking water

Cited by 2 publications

References 58 publications

Recent advances in membrane distillation hybrids for energy-efficient process configurations: Technology categorization, operational parameters identification, and energy recovery strategies

Recent advances in membrane distillation hybrids for energy-efficient process configurations: Technology categorization, operational parameters identification, and energy recovery strategies

Incorporation of Graphene Oxide Quantum Dots in Gradient Layers of Polyethersulphone Nanofiltration Membranes for Nitrate Rejection from Aqueous Solution

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