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

被引:65
作者
Akhtar, Muhammad Saeed [1 ]
Ali, Sajid [2 ]
Zaman, Wajid [3 ]
机构
[1] Yeungnam Univ, Dept Chem, Gyongsan 38541, South Korea
[2] Yeungnam Univ, Dept Hort & Life Sci, Gyongsan 38541, South Korea
[3] Yeungnam Univ, Dept Life Sci, Gyongsan 38541, South Korea
关键词
adsorbents; contaminants; environmental protection; nanocellulose; metal-organic frameworks (MOFs); pollutant removal; WASTE-WATER TREATMENT; HIGH-SURFACE-AREA; AQUEOUS-SOLUTION; CARBON NANOTUBES; ORGANIC MICROPOLLUTANTS; IONIC-STRENGTH; CATIONIC DYES; ADSORPTION; COMPOSITES; KINETICS;
D O I
10.3390/molecules29184317
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The growing presence of diverse pollutants, including heavy metals, organic compounds, pharmaceuticals, and emerging contaminants, poses significant environmental and health risks. Traditional methods for pollutant removal often face limitations in efficiency, selectivity, and sustainability. This review provides a comprehensive analysis of recent advancements in innovative adsorbents designed to address these challenges. It explores a wide array of non-conventional adsorbent materials, such as nanocellulose, metal-organic frameworks (MOFs), graphene-based composites, and biochar, emphasizing their sources, structural characteristics, and unique adsorption mechanisms. The review discusses adsorption processes, including the basic principles, kinetics, isotherms, and the factors influencing adsorption efficiency. It highlights the superior performance of these materials in removing specific pollutants across various environmental settings. The practical applications of these adsorbents are further explored through case studies in industrial settings, pilot studies, and field trials, showcasing their real-world effectiveness. Additionally, the review critically examines the economic considerations, technical challenges, and environmental impacts associated with these adsorbents, offering a balanced perspective on their viability and sustainability. The conclusion emphasizes future research directions, focusing on the development of scalable production methods, enhanced material stability, and sustainable regeneration techniques. This comprehensive assessment underscores the transformative potential of innovative adsorbents in pollutant remediation and their critical role in advancing environmental protection.
引用
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页数:37
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