Polymeric Membranes and Hybrid Techniques for Water Purification Applications

2022 ◽  
pp. 75-91
Author(s):  
Haradhan Kolya ◽  
Vijay K. Singh ◽  
Chun-Won Kang
Keyword(s):  
Water Purification ◽  
Polymeric Membranes ◽  
Hybrid Techniques

Fouling Is the Beginning: Upcycling Biopolymer-Fouled Substrates for Fabricating High-Permeance Thin-Film Composite Polyamide Membranes

2020 ◽  
Author(s):  
Ruobin Dai ◽  
Hongyi Han ◽  
Tianlin Wang ◽  
Jiayi Li ◽  
Chuyang Y. Tang ◽  
...  
Keyword(s):  
Thin Film ◽  
High Pressure ◽  
End Of Life ◽  
Water Purification ◽  
Low Pressure ◽  
Polymeric Membranes ◽  
Membrane Recycling ◽  
Film Composite ◽  
Thin Film Composite ◽  
First Time

Commercial polymeric membranes are generally recognized to have low sustainability as membranes need to be replaced and abandoned after reaching the end of their life. At present, only techniques for downcycling end-of-life high-pressure membranes are available. For the first time, this study paves the way for upcycling fouled/end-of-life low-pressure membranes to fabricate new high-pressure membranes for water purification, forming a closed eco-loop of membrane recycling with significantly improved sustainability.

scholarly journals Chitosan-Based Nanocomposite Polymeric Membranes for Water Purification—A Review

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2091
Author(s):  
Angela Spoială ◽  
Cornelia-Ioana Ilie ◽  
Denisa Ficai ◽  
Anton Ficai ◽  
Ecaterina Andronescu
Keyword(s):  
Water Purification ◽  
Antioxidant Activities ◽  
Low Cost ◽  
Synthetic Polymers ◽  
Water Systems ◽  
Polymeric Membranes ◽  
Wastewater Purification ◽  
Toxic Compounds ◽  
The Past ◽  
Materials Used

During the past few years, researchers have focused their attention on developing innovative nanocomposite polymeric membranes with applications in water purification. Natural and synthetic polymers were considered, and it was proven that chitosan-based materials presented important features. This review presents an overview regarding diverse materials used in developing innovative chitosan-based nanocomposite polymeric membranes for water purification. The first part of the review presents a detailed introduction about chitosan, highlighting the fact that is a biocompatible, biodegradable, low-cost, nontoxic biopolymer, having unique structure and interesting properties, and also antibacterial and antioxidant activities, reasons for using it in water treatment applications. To use chitosan-based materials for developing nanocomposite polymeric membranes for wastewater purification applications must enhance their performance by using different materials. In the second part of the review, the performance’s features will be presented as a consequence of adding different nanoparticles, also showing the effect that those nanoparticles could bring on other polymeric membranes. Among these features, pollutant’s retention and enhancing thermo-mechanical properties will be mentioned. The focus of the third section of the review will illustrate chitosan-based nanocomposite as polymeric membranes for water purification. Over the last few years, researchers have demonstrated that adsorbent nanocomposite polymeric membranes are powerful, important, and potential instruments in separation or removal of pollutants, such as heavy metals, dyes, and other toxic compounds presented in water systems. Lastly, we conclude this review with a summary of the most important applications of chitosan-based nanocomposite polymeric membranes and their perspectives in water purification.

scholarly journals Introduction

2021 ◽  
pp. 1-8
Author(s):  
R. Das
Keyword(s):  
Gas Separation ◽  
Water Purification ◽  
Synthetic Polymers ◽  
Polymeric Membranes ◽  
Separation Techniques ◽  
Conclusion Section ◽  
Water Gas ◽  
Purification Of Gases

In this chapter, a summary of different synthetic polymers-based water/gas separation techniques is given. It includes the separation of solutes from wastewater and also the purification of gases from various cocktails. Moreover, a summary of individual chapters of this book entitled ‘Polymeric Membranes for Water Purification and Gas Separation’ is shown in the conclusion section.

Fouling Is the Beginning: Upcycling Biopolymer-Fouled Substrates for Fabricating High-Permeance Thin-Film Composite Polyamide Membranes

2020 ◽  
Author(s):  
Ruobin Dai ◽  
Hongyi Han ◽  
Tianlin Wang ◽  
Jiayi Li ◽  
Chuyang Y. Tang ◽  
...  
Keyword(s):  
Thin Film ◽  
High Pressure ◽  
End Of Life ◽  
Water Purification ◽  
Low Pressure ◽  
Polymeric Membranes ◽  
Membrane Recycling ◽  
Film Composite ◽  
Thin Film Composite ◽  
First Time

Commercial polymeric membranes are generally recognized to have low sustainability as membranes need to be replaced and abandoned after reaching the end of their life. At present, only techniques for downcycling end-of-life high-pressure membranes are available. For the first time, this study paves the way for upcycling fouled/end-of-life low-pressure membranes to fabricate new high-pressure membranes for water purification, forming a closed eco-loop of membrane recycling with significantly improved sustainability.

scholarly journals A Review on Reverse Osmosis and Nanofiltration Membranes for Water Purification

Polymers ◽  
2019 ◽  
Vol 11 (8) ◽  
pp. 1252 ◽  
Author(s):  
Yang ◽  
Zhou ◽  
Feng ◽  
Rui ◽  
Zhang ◽  
...  
Keyword(s):  
Reverse Osmosis ◽  
Water Purification ◽  
Membrane Separation ◽  
Cost Effective ◽  
Ceramic Membranes ◽  
High Water ◽  
Polymeric Membranes ◽  
Inorganic Membrane ◽  
Inorganic Membranes ◽  
Research Findings

Sustainable and affordable supply of clean, safe, and adequate water is one of the most challenging issues facing the world. Membrane separation technology is one of the most cost-effective and widely applied technologies for water purification. Polymeric membranes such as cellulose-based (CA) membranes and thin-film composite (TFC) membranes have dominated the industry since 1980. Although further development of polymeric membranes for better performance is laborious, the research findings and sustained progress in inorganic membrane development have grown fast and solve some remaining problems. In addition to conventional ceramic metal oxide membranes, membranes prepared by graphene oxide (GO), carbon nanotubes (CNTs), and mixed matrix materials (MMMs) have attracted enormous attention due to their desirable properties such as tunable pore structure, excellent chemical, mechanical, and thermal tolerance, good salt rejection and/or high water permeability. This review provides insight into synthesis approaches and structural properties of recent reverse osmosis (RO) and nanofiltration (NF) membranes which are used to retain dissolved species such as heavy metals, electrolytes, and inorganic salts in various aqueous solutions. A specific focus has been placed on introducing and comparing water purification performance of different classes of polymeric and ceramic membranes in related water treatment industries. Furthermore, the development challenges and research opportunities of organic and inorganic membranes are discussed and the further perspectives are analyzed.

Functionalization of polymeric membranes with phosphonic and thiol groups for water purification from heavy metal ions

2019 ◽  
Vol 10 (2) ◽  
pp. 337-346
Author(s):  
Valeriia Sliesarenko ◽  
Veronika Tomina ◽  
Oksana Dudarko ◽  
Maja Bauman ◽  
Aleksandra Lobnik ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Water Purification ◽  
Heavy Metal Ions ◽  
Polymeric Membranes ◽  
Thiol Groups

Fabrication of janus type bi-layer polymeric membranes for advance water purification

2021 ◽  
Author(s):  
Triparna Chakraborty ◽  
Chandra Kanth P. ◽  
Maitrayee U. Trivedi ◽  
Brijesh Tripathi ◽  
Manoj Kumar Pandey
Keyword(s):  
Water Purification ◽  
Polymeric Membranes

scholarly journals Microfiltration and Ultrafiltration Membranes for Water Purification

2021 ◽  
pp. 33-68
Author(s):  
P. Banerjee
Keyword(s):  
Water Treatment ◽  
Water Purification ◽  
Water Scarcity ◽  
Polymeric Membranes ◽  
Membrane Technology ◽  
Ultrafiltration Membranes ◽  
Treatment Technologies ◽  
Global Population

Random and rampant urbanization have rendered one third of the global population vulnerable to water scarcity. For mitigating this problem, membrane technology has been widely investigated for desalination as well as reuse and reclamation of wastewater. Polymeric membranes have reportedly displayed significantly lower consumption of energy with potential self-cleansing and antifouling. Application of microporous and ultraporous polymeric membranes for water purification has been vividly discussed herein. The diverse facets of water treatment technologies using polymeric membranes compiled herein will facilitate all potential readers like academicians, environmentalists, industrialists and membrane technologists, and to address the water scarcity challenges of our society.

Selective cleavage of the polyphosphoester in crosslinked copper based nanogels: enhanced antibacterial performance through controlled release of copper

Nanoscale ◽  
2017 ◽  
Vol 9 (34) ◽  
pp. 12664-12676 ◽  
Author(s):  
Nagarajan Padmavathy ◽  
Paresh Kumar Samantaray ◽  
Lopamudra Das Ghosh ◽  
Giridhar Madras ◽  
Suryasarathi Bose
Keyword(s):  
Controlled Release ◽  
Water Purification ◽  
Structural Features ◽  
Polymeric Membranes ◽  
Antibacterial Performance ◽  
Antibacterial Surface

Polymeric architectures with controlled and well-defined structural features render a sustainable antibacterial surface — a key requirement in the design of polymeric membranes for water purification.

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