Journal
TOXICS
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/toxics11050404
Keywords
adsorption; biomass; water treatment; pollutant; isotherm; kinetic studies
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Intense human activities have caused pollution in the environment with dangerous pollutants. A new and cost-effective adsorption method has been developed recently to recover waste and purify water. This article summarizes the issues related to water remediation, reviews conventional methods, discusses bio-based adsorbents, and suggests future perspectives.
Intense human activities have for years contributed to the pollution of the environment by many dangerous pollutants such as heavy metals, pesticides, or polycyclic aromatic hydrocarbons. There are many conventional methods used to control pollution, with practical and/or financial drawbacks. Therefore, in recent years, an innovative, easy-to-implement and inexpensive adsorption method has been developed to recover waste and clean up water from micropollutants. Firstly, this article aims to summarize the issues related to water remediation and to understand the advantages and disadvantages of the methods classically used to purify water. In particular, this review aims to provide a recent update of the bio-based adsorbents and their use. Differently from the majority of the reviews related to wastewater treatment, in this article several classes of pollutants are considered. Then, a discussion about the adsorption process and interactions involved is provided. Finally, perspectives are suggested about the future work to be done in this field.
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