Removal of chromium from wastewater by swine hair residues applied as a putative biofilter release_6apagdlshfc6lptxrfwyxdt6oy

by Orlando de Paris Júnior, Thamarys Scapini, Aline Frumi Camargo, Bruno Venturin, Caroline Dalastra, Simone Kubeneck, Fabiane Fernanda Czapela, Karina P. Preczeski, Fábio Spitza Stefanski, Eduardo Pavan Korf, Alexsandra Valério, Marco Di Luccio (+3 others)

Abstract

Swine production chain generates residues with potential application in environmental processes. This study aimed at the use of swine hair as a potential biofilter for hexavalent chromium (Cr(VI)) removal from wastewater of tannery industry. The hair was pretreated using H2O2 in alkaline medium, and statistical analysis was carried out to evaluate the hair degradation, as well the Cr(VI) removal by the potential pretreated biofilter. The results showed 99% of Cr(VI) removal in 105 min of treatment in large pH range (1-10). Treated and untreated effluents were submitted to cytotoxicity study using vegetable and animal cells, demonstrating a significant reduction on toxicity to both cells. Therefore, swine hair demonstrated to be a promising residue for heavy metal removal on the perspective of an environmentally friendly technique.
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Published in Environmental science and pollution research international by Springer Science and Business Media LLC
ISSN-L 0944-1344
Volume 26
Issue 32
Page(s) 33014-33022
Release Date 2019-09-11
Publisher Springer Science and Business Media LLC
Primary Language en (lookup)

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Date   2019-09-11
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ISSN-L:  0944-1344
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