Abstract
Biosorption is a variant of sorption techniques in which the sorbent is a material of biological origin. This technique is considered to be low cost and environmentally friendly, and it can be used to remove pollutants from aqueous solutions. The objective of this review is to report on the most significant recent works and most recent advances that have occurred in the last couple of years (2019–2020) in the field of biosorption. Biosorption of metals and organic compounds (dyes, antibiotics and other emerging contaminants) is considered in this review. In addition, the use and possibilities of different forms of biomass (live or dead, modified or immobilized) are also considered.
Highlights
Biosorption is a variant of the sorption techniques in which the sorbent is a material of biological origin
Biosorption is a mechanism that acts in soil decontamination, this review will focus on biosorption processes from aqueous solutions
Strains more resistant to the target pollutant can have a greater removal capacity; a recent example is the use of a strain of Pseudomonas sp. with resistances to multiple heavy metals for cadmium removal; this resistant strain used as living biomass was more effective than the dead one [8]
Summary
Biosorption is a variant of the sorption techniques in which the sorbent is a material of biological origin. Biosorption is considered a simple, economical and environmentally friendly process that is used as an attractive alternative for removing pollutants. Within this context, biosorption is a general term that describes the removal of pollutants by their binding to a material of biological origin (biomass). There have been numerous biosorption studies in the last decade, and advances in this field have reinforced the interest in this technique to solve environmental pollution problems. This review aims to evaluate the latest contributions (in the last couple of years: 2019–August 2020) in the field of biosorption. Biosorption is a mechanism that acts in soil decontamination, this review will focus on biosorption processes from aqueous solutions
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