In the last decades, biosorption has emerged as a promising
water remediation technology, which uses inactive or dead
biomaterials to bind and concentrate contaminants from contaminated
solutions [31,29,39]. Biomass acts just as a chemical
substance or as an ion exchanger of biological origin, and it is,
particularly, the cell wall structure of certain algae, fungi, plants
and bacteria which was found responsible for this phenomenon
[38]. This process has several advantages over the conventional
water treatments. The most important are probably the high
efficiency even at low metal concentrations and the low cost and
high availability of the biomass. Others advantages are the
minimisation of chemical and/or biological sludge; no need of
additional nutrient requirement; possibility of biosorbent regen-
eration and of metal recovery
In the last decades, biosorption has emerged as a promisingwater remediation technology, which uses inactive or deadbiomaterials to bind and concentrate contaminants from contaminatedsolutions [31,29,39]. Biomass acts just as a chemicalsubstance or as an ion exchanger of biological origin, and it is,particularly, the cell wall structure of certain algae, fungi, plantsand bacteria which was found responsible for this phenomenon[38]. This process has several advantages over the conventionalwater treatments. The most important are probably the highefficiency even at low metal concentrations and the low cost andhigh availability of the biomass. Others advantages are theminimisation of chemical and/or biological sludge; no need ofadditional nutrient requirement; possibility of biosorbent regen-eration and of metal recovery
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