Biopolymeric Nanocomposites for CO₂ Capture

Area of Science:

• Materials Science
• Environmental Science
• Chemical Engineering

Background:

• Carbon dioxide (CO2) emissions significantly contribute to global warming and climate change.
• CO2 capture technologies are essential for mitigating industrial emissions.
• Biopolymer nanocomposites present a renewable and effective alternative for CO2 capture.

Purpose of the Study:

• To review recent advancements in biopolymer-based nanocomposites for CO2 capture.
• To explore the efficacy of cellulose, alginate, chitosan, and carrageenan-based materials.
• To identify trends and potential enhancements in CO2 capture technology.

Main Methods:

• Semi-systematic literature review of recent studies on biopolymer nanocomposites for CO2 capture.
• Examination of composite materials incorporating nanomaterials like graphene and carbon nanotubes.
• Analysis of biopolymer-based adsorbents and membranes for CO2 capture performance.

Main Results:

• Biopolymer nanocomposites demonstrate significant potential for CO2 adsorption.
• Nanofillers enhance surface area, porosity, and sorption properties of biopolymers.
• Functional groups in biopolymers facilitate CO2 interaction via absorption and chemisorption.

Conclusions:

• Biopolymer-based materials, particularly cellulose, alginate, chitosan, and carrageenan, are promising for cost-effective CO2 capture.
• The integration of nanomaterials significantly improves CO2 capture efficiency.
• Further research into these biorenewable resources can drive innovation in carbon capture technology.