Plasma Modification and Synthesis of Membrane Materials-A Mechanistic Review

Area of Science:

• Membrane science and technology
• Surface chemistry and engineering
• Water treatment technologies

Background:

• Commercial membranes are vital for water desalination and wastewater treatment.
• Further modifications are essential to enhance membrane performance, including flux, selectivity, and fouling resistance.
• Plasma techniques offer a promising route for advanced membrane modification.

Purpose of the Study:

• To provide a mechanistic review of plasma-based membrane modification.
• To analyze the impact of plasma gas and polymerization on membrane properties and performance.
• To evaluate recent advancements in atmospheric-pressure plasma techniques for membrane fabrication.

Main Methods:

• Review of low-pressure plasma conditions (power, gas flow, pressure, duration) and their effects on membrane chemistry, hydrophilicity, morphology, and performance.
• Analysis of the underlying mechanisms of plasma gas and polymerization.
• Critical evaluation of atmospheric-pressure plasma techniques for membrane modification.

Main Results:

• Low-pressure plasma parameters significantly influence membrane surface properties and overall performance.
• Plasma polymerization effectively alters membrane surface chemistry and structure.
• Atmospheric-pressure plasma techniques are emerging as scalable solutions for membrane modification.

Conclusions:

• Plasma modification is a versatile strategy for developing high-performance membranes.
• Understanding plasma mechanisms is key to optimizing membrane properties.
• Atmospheric-pressure plasma processes hold significant potential for large-scale industrial membrane fabrication.