Comparing Conventional and Advanced Approaches for Heavy Metal Removal in Wastewater Treatment: An In-Depth Review Emphasizing Filter-Based Strategies
Jana Ayach, Wassim El Malti, Luminita Duma, Jacques Lalevée, Mohamad Al Ajami, Hussein Hamad, Akram Hijazi
TL;DR
This paper reviews traditional and modern methods for removing heavy metals from wastewater, highlighting the benefits of adsorption-based filters.
Contribution
The paper provides a comparative analysis of conventional and advanced wastewater treatment methods, emphasizing the advantages of filter-based strategies.
Findings
Traditional methods like coagulation and ion exchange are limited by cost and toxicity.
Membrane filtration and adsorption offer efficient and cost-effective alternatives for heavy metal removal.
Adsorption-based filters using natural or synthetic materials show significant promise in wastewater treatment.
Abstract
Various industrial activities release heavy metal ions into the environment, which represent one of the major toxic pollutants owing to their severe effects on the environment, humans, and all living species. Despite several technological advances and breakthroughs, wastewater treatment remains a critical global issue. Traditional techniques are dedicated to extracting heavy metal ions from diverse wastewater origins, encompassing coagulation/flocculation, precipitation, flotation, and ion exchange. Their cost, side toxicity, or ineffectiveness often limit their large-scale use. Due to their adaptable design, simple operation, and reasonable cost, membrane filtration and adsorption have proven their efficiency in removing metals from wastewater. Recently, adsorption-based filters have appeared promising in treating water. Within this range, filters incorporating natural, synthetic, or…
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Taxonomy
TopicsGeological and Geophysical Studies Worldwide · Archaeological and Geological Studies