Biopolymer-Based Membrane Adsorber for Removing Contaminants from Aqueous Solution: Progress and Prospects

Area of Science:

• Materials Science
• Environmental Science
• Chemical Engineering

Background:

• Growing demand for energy-efficient water treatment necessitates advanced membrane technologies.
• Existing membranes face limitations in achieving both high selectivity and permeability.
• Membrane adsorbers combine adsorption and membrane separation for effective contaminant removal.

Purpose of the Study:

• To review biomass-based membrane adsorbers for water purification.
• To analyze preparation methods and pollutant removal applications.
• To identify future research directions for biopolymer membrane adsorbers.

Main Methods:

• Summarizing characteristics of biomass-derived membrane adsorbers.
• Analyzing preparation of cellulose, chitosan, sodium alginate, and protein-based materials.
• Reviewing applications in removing organic and inorganic contaminants.

Main Results:

• Biopolymer membrane adsorbers are cost-effective, degradable, and readily available.
• These materials show promise in adsorbing various water pollutants.
• Current research highlights the need for deeper understanding of adsorption mechanisms.

Conclusions:

• Biomass-based membrane adsorbers are a promising avenue for sustainable water treatment.
• Further investigation into adsorption mechanisms is crucial for optimizing performance.
• Accelerating the development of practical applications is a key future focus.