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Traversing the potential of phytoremediation and phycoremediation as pioneering technologies in microplastic mitigation – A critical review
Summary
This review examines how plants and algae can be used as natural tools to capture and remove microplastics from contaminated environments. Researchers analyzed the mechanisms by which plant roots trap microplastics in soil and how algae bind to and immobilize plastic particles in water. The study suggests that these biological remediation approaches offer sustainable, low-cost alternatives to conventional cleanup methods, though further research is needed to scale them up.
With the advent of numerous reports related to health and environmental hazards associated with microplastics (MPs), scientists have been engrossed in developing sustainable technologies for MP mitigation. Conventional methods for the remediation of MPs have several limitations, but with the increasing demand for biological mitigation methods, the latest technologies are prioritized. Among biological-driven methods, phytoremediation and phycoremediation are the two peaking approaches that have gained momentum because of their eco-friendliness, cost-effectiveness, and recyclability options. Investigations of the mechanisms underlying phytoremediation and phycoremediation processes can provide possible insights into practical applications in the present scenario. Modern instrumentation is a prerequisite for identifying and characterizing MPs and quantifying their removal efficiency. The current investigation highlights a unique combination of elaborate discussions on the use of plants in the mitigation of MPs, bibliometric analysis of the current status of research, their relevance to the modern context, and the development of a combinatorial strategy to amalgamate the advantages of these two unique processes via the concept of constructed wetlands for synergistically mitigating MPs. Thus, this review provides fresh insights into addressing MP pollution with sustainable ideologies to achieve improved mitigation outcomes without compromising the balance of the ecosystem.