Electrospun nanofibrous membranes with functionalized 2D nanofillers for efficient micropollutant removal from water

Borban, Bhavesh; Yadav, Diksha; Gohain, Moucham Borpatra; Karki, Sachin; Mukherjee, Ashmita; Ghosh, Paulomi; Ingole, Pravin G.

doi:10.1016/j.desal.2024.118017

Desalination

2024

DOI: 10.1016/j.desal.2024.118017

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Electrospun nanofibrous membranes with functionalized 2D nanofillers for efficient micropollutant removal from water

Bhavesh Borban,

Diksha Yadav,

Moucham Borpatra Gohain

et al.

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Electrospun Membranes of Hydrophobic Polyimide and NH₂‐UiO‐66 Nanocomposite for Desalination

Kim,

Hou,

Choudhury

et al. 2024

Energy & Environ Materials

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Hydrophobic nanofiber composite membranes comprising polyimide and metal–organic frameworks are developed for desalination via direct contact membrane distillation (DCMD). Our study demonstrates the synthesis of hydrophobic polyimides with trifluoromethyl groups, along with superhydrophobic UiO‐66 (hMOF) prepared by phenylsilane modification on the metal‐oxo nodes. These components are then combined to create nanofiber membranes with improved hydrophobicity, ensuring long‐term stability while preserving a high water flux. Integration of hMOF into the polymer matrix further increases membrane hydrophobic properties and provides additional pathways for vapor transport during MD. The resulting nanofiber composite membranes containing 20 wt% of hMOFs (PI‐1‐hMOF‐20) were able to desalinate hypersaline feed solution of up to 17 wt% NaCl solution, conditions that are beyond the capability of reverse osmosis systems. These membranes demonstrated a water flux of 68.1 kg m−2 h−1 with a rejection rate of 99.98% for a simulated seawater solution of 3.5 wt% NaCl at 70 °C, while maintaining consistent desalination performance for 250 h.

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Electrospun Membranes of Hydrophobic Polyimide and NH₂‐UiO‐66 Nanocomposite for Desalination

Kim,

Hou,

Choudhury

et al. 2024

Energy & Environ Materials

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Polymeric Membranes for Liquid Separation: Innovations in Materials, Fabrication, and Industrial Applications

Sahu,

Yadav,

Borah

et al. 2024

Polymers

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Polymeric membranes have emerged as a versatile and efficient liquid separation technology, addressing the growing demand for sustainable, high-performance separation processes in various industrial sectors. This review offers an in-depth analysis of recent developments in polymeric membrane technology, focusing on materials’ advancements, innovative fabrication methods, and strategies for improving performance. We discuss the underlying principles of membrane separation, selecting suitable polymers, and integrating novel materials, such as mixed-matrix and composite membranes, to enhance selectivity, permeability, and antifouling properties. The article also highlights the challenges and limitations associated with polymeric membranes, including stability, fouling, and scalability, and explores potential solutions to overcome these obstacles. This review aims to guide the development of next-generation polymeric membranes for efficient and sustainable liquid separation by offering a detailed analysis of current research and future directions.

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Electrospun nanofibrous membranes with functionalized 2D nanofillers for efficient micropollutant removal from water

Cited by 2 publications

References 64 publications

Electrospun Membranes of Hydrophobic Polyimide and NH₂‐UiO‐66 Nanocomposite for Desalination

Electrospun Membranes of Hydrophobic Polyimide and NH₂‐UiO‐66 Nanocomposite for Desalination

Polymeric Membranes for Liquid Separation: Innovations in Materials, Fabrication, and Industrial Applications

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Electrospun nanofibrous membranes with functionalized 2D nanofillers for efficient micropollutant removal from water

Cited by 2 publications

References 64 publications

Electrospun Membranes of Hydrophobic Polyimide and NH2‐UiO‐66 Nanocomposite for Desalination

Electrospun Membranes of Hydrophobic Polyimide and NH2‐UiO‐66 Nanocomposite for Desalination

Polymeric Membranes for Liquid Separation: Innovations in Materials, Fabrication, and Industrial Applications

Contact Info

Product

Resources

About

Electrospun Membranes of Hydrophobic Polyimide and NH₂‐UiO‐66 Nanocomposite for Desalination

Electrospun Membranes of Hydrophobic Polyimide and NH₂‐UiO‐66 Nanocomposite for Desalination