We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Recent advances of application of bentonite-based composites in the environmental remediation
Summary
Researchers reviewed recent advances in using bentonite-based composite materials for environmental cleanup. These low-cost, earth-based materials showed strong ability to remove a range of pollutants from water and soil, including dyes, microplastics, heavy metals, and radioactive materials, through mechanisms like adsorption and chemical breakdown.
Bentonite-based composites have been widely utilized in the removal of various pollutants due to low cost, environmentally friendly, ease-to-operate, whereas the recent advances concerning the application of bentonite-based composites in environmental remediation were not available. Herein, the modification (i.e., acid/alkaline washing, thermal treatment and hybrids) of bentonite was firstly reviewed; Then the recent advances of adsorption of environmental concomitants (e.g., organic (dyes, microplastics, phenolic and other organics) and inorganic pollutants (heavy metals, radionuclides and other inorganic pollutants)) on various bentonite-based composites were summarized in details. Meanwhile, the effect of environmental factors and interaction mechanism between bentonite-based composites and contaminants were also investigated. Finally, the conclusions and prospective of bentonite-based composites in the environmental remediation were proposed. It is demonstrated that various bentonite-based composites exhibited the high adsorption/degradation capacity towards environmental pollutants under the specific conditions. The interaction mechanism involved the mineralization, physical/chemical adsorption, co-precipitation and complexation. This review highlights the effect of different functionalization of bentonite-based composites on their adsorption capacity and interaction mechanism, which is expected to be helpful to environmental scientists for applying bentonite-based composites into practical environmental remediation.
Sign in to start a discussion.
More Papers Like This
Hydrogel-based nanocomposites for enhanced environmental remediation
A review covered hydrogel-based nanocomposites engineered to adsorb and remove pollutants including microplastics from water. These materials show promise as efficient, tunable sorbents for environmental remediation applications.
The Role of Biocomposites and Nanocomposites in Eliminating Organic Contaminants from Effluents
Not relevant to microplastics — this review evaluates biocomposite and nanocomposite sorbents for removing heavy metals, dyes, and hydrocarbons from industrial wastewater, comparing adsorption mechanisms and recyclability.
Recent trends and economic significance of modified/functionalized biochars for remediation of environmental pollutants
Researchers reviewed recent advances in modified biochars — charcoal-like materials made from organic waste — as low-cost tools for removing chemical pollutants from contaminated soil and water. By altering biochar's physical and chemical properties through various treatment techniques, scientists have significantly improved its ability to bind and neutralize a wide range of harmful substances.
Adsorption Materials and Their Applications
This review covers adsorption materials and their applications for removing emerging pollutants from environmental matrices, surveying a range of sorbent types and their performance characteristics for environmental remediation.
A critical review on clay-based nanocomposite particles for application of wastewater treatment
This review evaluates clay-based nanocomposite materials including clay-metal, clay-polymer, and clay-carbon composites as adsorbents for removing various pollutants from water and wastewater. Clay nanocomposites offer high surface area, thermal stability, and selectivity, and are identified as more cost-effective than conventional treatment methods.