Bioelectrochemical systems for removal and recovery of heavy metals

Malyan, Sandeep K.; Kumar, Smita S.; Singh, Lakhveer; Singh, Rajesh; Jadhav, Dipak A.; Kumar, Vivek

doi:10.1016/b978-0-12-821729-0.00005-1

Cited by 7 publications

(2 citation statements)

References 60 publications

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“…Physical, chemical, and biochemical types of machinery towards heavy metals extraction from drainage water has been formed and works assigned for its potential restoration. Such processing methods can be offered economical and renewable by promoting metal restoration utilizing BES [152]. Furthermore, BES can extract and collect metals when being on actual low frequency in an aqueous means, delivering a cost-effective feasible opportunity compared to other substitute methods.…”

Section: Recovery Of Heavy Metalsmentioning

confidence: 99%

Recent advances in bio-electrochemical system analysis in biorefineries

Siwal

Zhang

Saini

et al. 2021

Journal of Environmental Chemical Engineering

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Section: Recovery Of Heavy Metalsmentioning

confidence: 99%

Recent advances in bio-electrochemical system analysis in biorefineries

Siwal

Zhang

Saini

et al. 2021

Journal of Environmental Chemical Engineering

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“…The highest concentrations of toxic metals in river and lake water are found in Africa, Asia, and South America. Previous research shows that the toxic metals most prevalent in surface waters are Cd, Cr, and Pb [3][4][5][6][7][8]38,52].…”

Section: Introductionmentioning

confidence: 99%

Bioremediation of Wastewater Enriched with Cd, Cr and Pb Using Floating Macrophytes

Hernández-Vasquez

García

Prieto

et al. 2023

JEAI

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This study aimed to explore the effectiveness potential of Eichhornia crassipes, Pistia stratiotes and Salvinia molesta for the reduction of potentially toxic metals from effluents enriched with Cd, Cr and Pb. Based on a 21-day laboratory-scale experiment, a total of three concentrations at 1, 5 and 10 mg/L were selected to culture each of the macrophytes. In addition, kinetics and prediction models were used to analyze the metal reduction data to understand the behavior and removal rate of each species and with the Taguchi methodology to see what the right conditions for greater efficiency are. The results suggested that the three macrophytes was able to reduce metals Eichhornia crassipes manages to reduce 90.8-99.99% Cd, 90.8-99.9% Cr and 89.6-99.9% Pb, for Pistia stratiotes 74.6-99.9% Cd, 74.6-99.9% Cr and 91.2-99.9% Pb and Salvinia molesta 83.2-99.9% Cd, 62.2-99.9% Cr and 89.2-99% Pb. The first-order model it is adjusted appropriately to the removal of toxic metals for the three plants, having an adjustment of R2 greater than 0.80. Taguchi analysis shows that optimal conditions for metal phytoremediation occur with 1 mg/L of toxic metals and after 21 days.

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