Advances in Bioremediation and Phytoremediation 2018
DOI: 10.5772/intechopen.73202
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Enhancement of Bioremediation and Phytoremediation Using Electrokinetics

Abstract: This chapter discusses the use of bioremediation and phytoremediation coupled with electrokinetics and presents the elements contributing to the success of the remediation process. A deep discussion and an overview of the current advancement in the biotechnologies are outlined in details. Innovative solutions for challenges facing the field application of the new technology are presented and new directions are proposed. A careful review for contaminated site conditions including pH, temperature, and other fact… Show more

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Cited by 9 publications
(6 citation statements)
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“…91 Important considerations for successful site-scale implementation of EKR-Bio for organic contaminants include prolonging the lifetime of indigenous microbiota, increasing metabolic rates and ensuring that metabolic pathways are not disrupted by the application of, or chemical by-products resulting from, the electrokinetic apparatus. 125 In particular, combining EKR-Bio reactors on the laboratory scale with solar (PV) cells was shown by Hassan et al to operate effectively in the mycobacterium-based remediation of artificially contaminated kaolinite mixtures (2 mg of phenanthrene per gram of dry soil). One month of EKR in plastic cells (LWH 35x12x10 cm) with variable voltage resulted in removal of up to 50% of pre-experiment phenanthrene levels.…”
Section: Ekr-phyto and Ekr-biomentioning
confidence: 99%
“…91 Important considerations for successful site-scale implementation of EKR-Bio for organic contaminants include prolonging the lifetime of indigenous microbiota, increasing metabolic rates and ensuring that metabolic pathways are not disrupted by the application of, or chemical by-products resulting from, the electrokinetic apparatus. 125 In particular, combining EKR-Bio reactors on the laboratory scale with solar (PV) cells was shown by Hassan et al to operate effectively in the mycobacterium-based remediation of artificially contaminated kaolinite mixtures (2 mg of phenanthrene per gram of dry soil). One month of EKR in plastic cells (LWH 35x12x10 cm) with variable voltage resulted in removal of up to 50% of pre-experiment phenanthrene levels.…”
Section: Ekr-phyto and Ekr-biomentioning
confidence: 99%
“…In the EK-Bio and EKSF-Bio tests, the water in both electrolyte chambers is significantly reduced in the anode chamber. The process of electrolysis of water at the anode (2H 2 O → 4e -+ 4H + + O 2 ) and in the cathode (2H 2 O + 2e -→ 2OH -+ H 2 ) and electroosmosis in the electrolyte chamber causes water volume reduction [4]. In contrast to PR-EKBio, in this test the water in both electrolyte chambers tends to be stable and does not disappear too much during electrokinetic process.…”
Section: Effect On Soil Conditionmentioning
confidence: 78%
“…In contrast to PR-EKBio, in this test the water in both electrolyte chambers tends to be stable and does not disappear too much during electrokinetic process. This phenomena occurs because most of the electrolyzed ions re-form water (neutralization) when the polarity reversal occurs [4], [9]. The distilled water may be replaced with mineral salt as both buffers and surfactants.…”
Section: Effect On Soil Conditionmentioning
confidence: 99%
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“…Some sustainable technologies have been implemented as a mitigation measure to reduce the negative impact of these pollutants. Phytoremediation is currently considered an economical and environmentally friendly option for the treatment of soils contaminated with metals [4]. Metals are removed from soil or other solid matrices through the absorption and accumulation in plant tissues, ideally in the aerial ones; this process is called phytoextraction.…”
Section: Introductionmentioning
confidence: 99%