Ortiz-Tirado Alejandra , Luisa F. Medina-Ganem , Erick R. Bandala , Alain S. Conejo-Davila , Vega-Rios Alejandro , Ashantha Goonetilleke , Oscar M. Rodriguez-Narvaez
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引用次数: 0
Abstract
Nanoparticles (NPs) have attracted significant interest due to their unique chemical and physical properties. In this context, biogenic synthesis has emerged as a promising alternative, utilizing natural pathways (e.g., microorganisms and plants) to produce biomolecules such as polyphenols, vitamins, amino acids, and carbohydrates that can reduce and stabilize NP production. However, significant knowledge gaps remain, particularly regarding the interaction between biomolecules and metals, and their influence on the physicochemical properties of NPs. This review critically examines current biogenic synthesis methods and their applications in removing organic contaminants and inactivating microorganisms in water treatment. It also highlights the challenges and opportunities in this field. In terms of scalability, there are significant limitations currently. The variability in the composition of biological extracts makes it difficult to achieve reproducibility and control over NP size and morphology. Additionally, production processes tend to be slow and yields which lower than conventional chemical methods. Optimizing influential parameters such as biomolecule concentration, temperature, and pH remains a challenge. Finally, the lack of studies on toxicity and long-term stability hinders large-scale implementation.
期刊介绍:
The Journal of Environmental Chemical Engineering (JECE) serves as a platform for the dissemination of original and innovative research focusing on the advancement of environmentally-friendly, sustainable technologies. JECE emphasizes the transition towards a carbon-neutral circular economy and a self-sufficient bio-based economy. Topics covered include soil, water, wastewater, and air decontamination; pollution monitoring, prevention, and control; advanced analytics, sensors, impact and risk assessment methodologies in environmental chemical engineering; resource recovery (water, nutrients, materials, energy); industrial ecology; valorization of waste streams; waste management (including e-waste); climate-water-energy-food nexus; novel materials for environmental, chemical, and energy applications; sustainability and environmental safety; water digitalization, water data science, and machine learning; process integration and intensification; recent developments in green chemistry for synthesis, catalysis, and energy; and original research on contaminants of emerging concern, persistent chemicals, and priority substances, including microplastics, nanoplastics, nanomaterials, micropollutants, antimicrobial resistance genes, and emerging pathogens (viruses, bacteria, parasites) of environmental significance.