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Nano Green Chemistry for Sustainable Environmental Remediation: Recent Advances and Future Perspectives
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Scientists are using natural ingredients like plant extracts, algae, and fungi to create tiny, eco-friendly particles (nanoparticles) that can clean up pollution more safely than traditional chemical methods. This review paper summarizes existing research showing these "green" nanomaterials can help remove harmful substances like heavy metals, pesticides, drug residues, microplastics, and disease-causing germs from water, soil, and air. This matters because it points toward cleanup technologies that reduce our exposure to contaminants without introducing new toxic chemicals into the environment in the process.
Environmental pollution resulting from rapid industrialization, urbanization, intensive agriculture, and unsustainable resource utilization has become a major global concern requiring innovative, efficient, and environmentally sustainable remediation technologies. Conventional treatment methods often involve high energy consumption, toxic chemicals, secondary waste generation, and limited pollutant removal efficiency. Nano green chemistry has emerged as an interdisciplinary field that combines the principles of green chemistry with nanotechnology to develop environmentally benign nanomaterials and sustainable remediation strategies. Green-synthesized nanoparticles, nanocomposites, bio-based nanomaterials, metal oxides, carbon nanomaterials, and nanocatalysts have demonstrated exceptional potential for removing heavy metals, dyes, pharmaceuticals, pesticides, emerging contaminants, microplastics, and pathogenic microorganisms from contaminated water, soil, and air. Plant extracts, microorganisms, algae, fungi, agricultural wastes, and natural polymers are increasingly utilized as eco-friendly reducing and stabilizing agents for nanoparticle synthesis, minimizing hazardous chemical usage while improving material biocompatibility. Recent advances in photocatalysis, adsorption, membrane technologies, advanced oxidation processes, environmental sensing, and multifunctional nanocomposites have further expanded the applications of nano green chemistry in environmental remediation. This review discusses the fundamental principles, green synthesis approaches, nanomaterial classifications, remediation mechanisms, recent environmental applications, current challenges, and future perspectives of nano green chemistry for sustainable environmental management
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Sustainable Algal Nanomaterials for Microplastics and Lanthanide Remediation
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Scientists are exploring how algae can be used to create tiny, eco-friendly particles (called nanoparticles) that soak up pollutants like microplastics and certain metals from water and soil. This review paper summarizes existing research on how these algae-based particles are made and how well they clean up environmental contaminants, offering a greener alternative to chemical-based cleanup methods. Since microplastics and heavy metals can end up in our food and water, finding sustainable ways to remove them could help reduce our long-term exposure to these harmful substances.
Nanotechnology advances in biomass-derived green nanomaterials for mitigating environmental toxicity.
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Scientists are turning plant scraps, farm waste, and microorganisms into tiny particles ("green nanomaterials") that can soak up or break down toxic pollutants like heavy metals, pesticides, synthetic dyes, and microplastics from water, soil, and air, removing up to 95-98% of some contaminants in lab tests. This review pulls together existing research showing these nature-based materials could offer a cheaper, safer alternative to traditional pollution-cleanup methods, which matters because reducing these toxins in our environment means less of them ending up in our food, water, and bodies. That said, the technology is still being ref
Green-Engineered Advanced Materials for Micro/Nano-Plastic Degradation: Recent Advances and Future Directions (a review)
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This review summarizes existing research on how tiny plastic particles, called micro- and nano-plastics, spread through the environment and can be broken down using light, heat, microbes, chemicals or specialized materials. It also covers newer, more environmentally friendly cleanup approaches using plants, bacteria, algae and fungi.
Green Strategies for Removal of Emerging Contaminants from Aqueous System
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This review examines green strategies for removing emerging contaminants from aqueous systems, evaluating bioremediation, phytoremediation, and eco-friendly nanocomposite approaches for eliminating pharmaceuticals, endocrine disruptors, microplastics, and pesticides from water.
Sustainable coagulative removal of microplastic from aquatic systems: recent progress and outlook
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This review examines how natural coagulants from plants, animals, and microbes can be used to remove microplastics from water as a greener alternative to conventional chemical treatments. These bio-based coagulants, especially when combined with nanotechnology, show promising removal rates while avoiding the toxic residues left by traditional chemical approaches.
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