Sustainable Solutions for Producing Advanced Biopolymer Membranes-From Net-Zero Technology to Zero Waste

Area of Science:

• Materials Science
• Environmental Science
• Chemical Engineering

Background:

• Growing polymer waste poses environmental challenges, necessitating sustainable solutions.
• Circular economy principles offer a framework for waste valorization.
• Advanced membranes are crucial for filtration, biomedical, and energy applications.

Purpose of the Study:

• To explore chemical recycling of polymer waste for producing value-added biopolymer membranes.
• To investigate electrospinning as a technique for fabricating nanostructured membranes from recycled polymers.
• To evaluate the environmental benefits and sustainability of waste-to-resource strategies for membrane production.

Main Methods:

• Chemical recycling via depolymerization and modification of polymer waste.
• Electrospinning technique for membrane fabrication, optimizing parameters like solvent, concentration, voltage, and flow rate.
• Life Cycle Assessment (LCA) to evaluate environmental impact and sustainability metrics.

Main Results:

• Successful conversion of polymer waste into functional polymers for membrane fabrication.
• Optimization of electrospinning parameters led to tailored membrane properties (porosity, mechanical strength, surface functionality).
• Demonstrated suppression of the coffee-ring effect in biodegradable membranes through controlled processing.

Conclusions:

• Polymer waste can serve as a viable feedstock for circular membrane technologies.
• Electrospinning offers a scalable method for producing high-performance membranes from recycled materials.
• The approach supports zero-waste and net-zero carbon goals, promoting sustainable waste management and resource utilization.