Occurrence and fate of pharmaceutical pollutants in wastewater: Insights on ecotoxicity, health risk, and state–of–the-art removal

Chemosphere, Journal Year: 2024, Volume and Issue: 354, P. 141678 - 141678

Published: March 12, 2024

Language: Английский

---

Adsorption of heavy metals from wastewater by chitosan: A review

Results in Engineering, Journal Year: 2024, Volume and Issue: 23, P. 102404 - 102404

Published: June 14, 2024

With the progress of human civilization, development technology and increasing population, world is currently facing an important problem called pollution, which threatens lives inhabitants planet, so that in every country, environmental protection a serious concern statesmen. Pollution caused by accumulation soil water from persistent toxic compounds such as chemicals, salts, heavy metals radioactive substances are causes diseases have inconsistent effects on growth health animals humans. The release environment due to industrialization expansion urbanization has brought great problems all over world, increase pollution concerns their carcinogenic properties, indestructibility biological accumulation. Adsorption industrial effluents one issues. So far, various methods been considered for adsorption these metals, use methods. There natural synthetic adsorption, each specific advantages, recently chitosan also composites used. Being economical terms economy, easy access compliance with standards among advantages method. In this study, basis performance, disadvantages different finally adsorbent nanofibers discussed.

Language: Английский

---

Innovative Adsorbents for Pollutant Removal: Exploring the Latest Research and Applications

Molecules, Journal Year: 2024, Volume and Issue: 29(18), P. 4317 - 4317

Published: Sept. 11, 2024

The growing presence of diverse pollutants, including heavy metals, organic compounds, pharmaceuticals, and emerging contaminants, poses significant environmental health risks. Traditional methods for pollutant removal often face limitations in efficiency, selectivity, sustainability. This review provides a comprehensive analysis recent advancements innovative adsorbents designed to address these challenges. It explores wide array non-conventional adsorbent materials, such as nanocellulose, metal–organic frameworks (MOFs), graphene-based composites, biochar, emphasizing their sources, structural characteristics, unique adsorption mechanisms. discusses processes, the basic principles, kinetics, isotherms, factors influencing efficiency. highlights superior performance materials removing specific pollutants across various settings. practical applications are further explored through case studies industrial settings, pilot studies, field trials, showcasing real-world effectiveness. Additionally, critically examines economic considerations, technical challenges, impacts associated with adsorbents, offering balanced perspective on viability conclusion emphasizes future research directions, focusing development scalable production methods, enhanced material stability, sustainable regeneration techniques. assessment underscores transformative potential remediation critical role advancing protection.

Language: Английский

---

A comprehensive review on designing nanocomposite adsorbents for efficient removal of 4-nitrophenol from water

Nano-Structures & Nano-Objects, Journal Year: 2024, Volume and Issue: 40, P. 101326 - 101326

Published: Sept. 11, 2024

Language: Английский

---

Exploring the sustainable synthesis pathway and comprehensive characterization of magnetic hybrid alumina nanoparticles phase (MHAl-NPsP) as highly efficient adsorbents and selective copper ions removal

Environmental Technology & Innovation, Journal Year: 2024, Volume and Issue: 34, P. 103628 - 103628

Published: April 9, 2024

This study introduces a novel method for producing magnetic hybrid alumina nanoparticles phase (MHAl-NPsP) tailored specifically efficient copper (II) ion removal from wastewater. The synthesized MHAl-NPsP underwent comprehensive characterization, including Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) revealing its rough and porous surface morphology, X-ray diffraction (XRD) analysis, transmission (TEM) BET analysis area measurements, TGA confirming high thermal stability, vibrating sample magnetometry (VSM) successful synthesis through detection of properties, Photoelectron Spectroscopy (XPS) analysis. Remarkably, demonstrated an exceptional adsorption capacity 52.5 mg/g under optimized conditions pH 3.5 initial concentration 30 mg/L, surpassing previous results significantly. Detailed investigation into kinetics revealed pseudo-second-order model, suggesting predominant chemisorption mechanism. Moreover, using the Langmuir isotherm model showed excellent fitting with R² value 0.994, indicating monolayer coverage as primary mode. Notably, dependency studies indicated enhanced efficiency decreasing levels, highlighting significant role electrostatic interactions. underscores effectiveness environmental sustainability green approach employed MHAl-NPsP. Utilizing their facilitate easy separation retrieval adsorbed ions, making them highly promising practical applications in wastewater treatment. findings advocate development eco-friendly adsorbents to tackle water pollution challenges, providing solutions sustainable remediation.

Language: Английский

---

Biopolymer-based beads for the adsorptive removal of organic pollutants from wastewater: Current state and future perspectives

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 269, P. 131759 - 131759

Published: April 26, 2024

Language: Английский

---

A State-of-The-Art Review on Green Synthesis and Modifications of ZnO Nanoparticles for Organic Pollutants Decomposition and CO2 Conversion

Journal of Hazardous Materials Advances, Journal Year: 2025, Volume and Issue: unknown, P. 100588 - 100588

Published: Jan. 1, 2025

Language: Английский

---

Revisiting the efficacy of COF treatment for dyes in wastewater: A comprehensive review

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: 13(2), P. 115660 - 115660

Published: Jan. 30, 2025

Language: Английский

---

Chitosan Hydrogels for Water Purification Applications

Gels, Journal Year: 2023, Volume and Issue: 9(8), P. 664 - 664

Published: Aug. 17, 2023

Chitosan-based hydrogels have gained significant attention for their potential applications in water treatment and purification due to remarkable properties such as bioavailability, biocompatibility, biodegradability, environmental friendliness, high pollutants adsorption capacity, capacity. This article comprehensively reviews recent advances chitosan-based hydrogel materials applications. The synthesis methods, structural properties, performance of are critically analyzed. incorporation various nanomaterials into hydrogels, nanoparticles, graphene, metal-organic frameworks, has been explored enhance performance. mechanisms purification, including adsorption, filtration, antimicrobial activity, also discussed detail. the removal pollutants, heavy metals, organic contaminants, microorganisms, from sources is highlighted. Moreover, challenges future perspectives illustrated. Overall, this provides valuable insights current state art regarding highlights addressing global pollution challenges.

Language: Английский

---

Functionalization of chitosan biopolymer with SiO2 nanoparticles and benzaldehyde via hydrothermal process for acid red 88 dye adsorption: Box-Behnken design optimization

International Journal of Biological Macromolecules, Journal Year: 2023, Volume and Issue: 247, P. 125806 - 125806

Published: July 13, 2023

Language: Английский

---