Engineering Renewable Lignocellulosic Biomass as Sustainable Solar-Driven Interfacial Evaporators

Area of Science:

• Materials Science
• Renewable Energy
• Environmental Science

Background:

• Freshwater scarcity necessitates sustainable water harvesting solutions.
• Solar-driven interfacial evaporators (SDIEs) utilize solar energy for freshwater production.
• Lignocellulosic biomass presents a renewable and biodegradable alternative to synthetic materials for SDIEs.

Purpose of the Study:

• To provide an in-depth review of designing and optimizing high-performance SDIEs from lignocellulosic biomass.
• To explore the structural characteristics, fabrication methods, and optimization strategies for biomass-based evaporators.
• To summarize the diverse functionalities and future outlook of these sustainable water harvesting technologies.

Main Methods:

• Review of lignocellulosic biomass structural characteristics relevant to SDIEs.
• Summary of fabrication methods for biomass-based photothermal layers and supporting substrates.
• Analysis of recent advances in regulation and optimization strategies for improved evaporation efficiency.

Main Results:

• Lignocellulosic biomass possesses advantageous properties for constructing efficient SDIEs.
• Various fabrication techniques enable the use of biomass as photothermal layers or substrates.
• Optimization strategies significantly enhance the evaporation efficiency of biomass-based SDIEs.

Conclusions:

• Lignocellulosic biomass is a promising material for sustainable solar steam generation.
• Optimized biomass-based SDIEs offer diverse applications beyond desalination, including energy generation and wastewater treatment.
• Further research into lignocellulosic biomass-based SDIEs can address global water and energy challenges.