Biocomposite Adsorption Methods for Aqueous Contaminants
Summary
Biocomposite adsorbents combine natural or waste-derived biomass with inorganic or polymeric components to harness synergistic surface chemistry, porosity and mechanical stability for the removal of organic and inorganic pollutants from water. By integrating functional groups from polysaccharides, lignocellulosic residues or chitin with minerals, conductive polymers or metal oxides, these materials achieve enhanced adsorption capacity, selectivity and reusability. Key mechanisms include electrostatic attraction, hydrogen bonding, π–π interactions and ion exchange, all of which can be tuned by controlling the composite’s textural properties, pH‐dependent surface charge and chemical functionality. Such materials have been applied to sequester dyes, pharmaceuticals, surfactants, herbicides and heavy metal ions in both batch and continuous‐flow systems, offering a sustainable route for effluent treatment and resource recovery at laboratory and pilot scales.
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Biocomposite Adsorption Methods for Aqueous Contaminants publication trend
The graph below shows the total number of articles in biocomposite adsorption methods for aqueous contaminants across all publications each year (not limited to Nature Index journals).
Technical terms
Biocomposite: A material consisting of a natural biomass component combined with an inorganic or synthetic phase to enhance functional properties for pollutant adsorption.
Adsorption capacity: The maximum amount of contaminant that can be retained per unit mass of adsorbent under specified conditions.
Isotherm: A mathematical model describing the relationship between the concentration of adsorbate in solution and the quantity adsorbed at equilibrium (e.g., Langmuir, Freundlich).
Kinetic model: A model (e.g., pseudo-first-order, pseudo-second-order) that describes the rate at which adsorption reaches equilibrium and suggests controlling mechanisms.
Point of zero charge (pHZPC): The pH at which the net surface charge of an adsorbent is zero, influencing its electrostatic interactions with ionic species.
References
- Sorption interactions and behavior of bentonite-lignite based composite toward immobilization of dyes, pharmaceuticals and surfactants. Journal of Cleaner Production (2024).
- Na-alginate, polyaniline and polypyrrole composites with cellulosic biomass for the adsorptive removal of herbicide: Kinetics, equilibrium and thermodynamic studies. Arabian Journal of Chemistry (2023).
- Composite of polypyrrole with sugarcane bagasse cellulosic biomass and adsorption efficiency for 2,4-dicholrophonxy acetic acid in column mode. Journal of Materials Research and Technology (2021).
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