Fouling Prevention in Polymeric Membranes by Radiation Induced Graft Copolymerization

Area of Science:

• Materials Science
• Chemical Engineering
• Polymer Science

Background:

• Membrane processes are crucial in various fields but face significant efficiency limitations due to membrane fouling.
• Fouling of polymeric membranes, especially in pressure-driven systems, increases operational costs and reduces lifespan.
• Existing solutions for membrane fouling are often insufficient, hindering wider application.

Purpose of the Study:

• To systematically review the progress in modifying polymeric membranes using radiation induced graft copolymerization (RIGC) for fouling prevention.
• To discuss the feasibility of RIGC in improving membrane physico-chemical and antifouling properties.
• To highlight challenges and future research directions for RIGC-modified membranes.

Main Methods:

• Review of studies employing radiation induced graft copolymerization (RIGC) on polymeric membranes.
• Utilizing various radiation sources including UV, plasma, gamma rays, and electron beams.
• Grafting polar monomers onto membrane surfaces to impart specific functionalities.

Main Results:

• RIGC is a versatile technique for covalently modifying membrane surfaces with desired chemical functionalities.
• Modified membranes exhibit improved antifouling properties, mitigating a major hurdle in membrane applications.
• The method's feasibility is supported by enhanced physico-chemical characteristics of the membranes.

Conclusions:

• RIGC offers a promising solution to mitigate fouling in polymeric membranes, enhancing their efficiency and lifespan.
• Further research is needed to address sustainability challenges associated with modified membranes.
• This review underscores the potential of RIGC for advancing membrane technology.