2017
DOI: 10.20964/2017.02.18
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Electrokinetic Treatment of Polluted Soil with Petroleum Coupled to an Advanced Oxidation Process for Remediation of Its Effluent

Abstract: In this work, the treatment of soil polluted with petroleum in laboratory scale was studied using electrokinetic soil remediation (ESR) technology followed by boron doped diamond electrolysis (BDD-electrolysis) for washing liquid treatment. Results evidently show that ESR is an efficient treatment removing the petrochemical compounds from soil. Depollution of the effluents by BDDelectrolysis is related to the pre-treatment of liquid as well as the higher removal of petroleum from soil. BDD-electrolysis favors … Show more

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Cited by 13 publications
(4 citation statements)
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“…Treatment of effluents of EKSR by AO has received less attention than SW/SF effluents possibly because EKSR has been widely utilized for the remediation of heavy metal/toxic anion contaminated soils as compared with organic pollutant contaminated soils. However, a recent study by da Silva et al (2017) [ 129 ] showed the possibility of applying AO using a BDD electrode for the treatment of water produced from EKSR treatment of synthetic petroleum contaminated soil. The EKSR, using graphite electrodes, was able to achieve excellent removal of the petroleum products from the soil as revealed by the gradual accumulation of total organic carbon (TOC) (2250 and 250 mg L −1 ) ( Figure 9 a,b) in both solutions at the anodic and cathodic chambers, respectively.…”
Section: Coupling Of Sw/eksr With Aomentioning
confidence: 99%
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“…Treatment of effluents of EKSR by AO has received less attention than SW/SF effluents possibly because EKSR has been widely utilized for the remediation of heavy metal/toxic anion contaminated soils as compared with organic pollutant contaminated soils. However, a recent study by da Silva et al (2017) [ 129 ] showed the possibility of applying AO using a BDD electrode for the treatment of water produced from EKSR treatment of synthetic petroleum contaminated soil. The EKSR, using graphite electrodes, was able to achieve excellent removal of the petroleum products from the soil as revealed by the gradual accumulation of total organic carbon (TOC) (2250 and 250 mg L −1 ) ( Figure 9 a,b) in both solutions at the anodic and cathodic chambers, respectively.…”
Section: Coupling Of Sw/eksr With Aomentioning
confidence: 99%
“… TOC evolution as a function of time at ( a ) anodic and ( b ) cathodic compartments during the electrokinetic soil remediation (EKSR) applying different current values at 25 °C with 0.1 M Na 2 SO 4 as supporting electrolyte by using graphite electrodes; ( c ) Decay of normalized COD with time obtained during the electrochemical treatment of effluents produced after EKSR of soil polluted with petroleum at applied current density of ( ■ ) 20 mA cm −2 and ( ▲ ) 60 mA cm −2 . Reprinted with the permission of [ 129 ]. …”
Section: Figurementioning
confidence: 99%
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“…22 Bulk treatment of the effluents by BDD-electrolysis.-Once elucidated the feasibility of the ER to remove contaminants compounds in the soil, it is important to investigate the elimination of the organic compounds in the fluid generated. 37 In this frame, the cathodic and anodic solutions were mixed between them, identifying the effluents as effluent Exp-1 and effleunt Exp-2 , which corresponds to E x p tap water/S DS and E x p Na 2 SO 4 /S DS tests, respectively. The initial COD values were around 895 and 1476 mg L −1 for effluent Exp-1 and effleunt Exp-2 , respectively.…”
Section: Elimination Of Dye From Soil-mentioning
confidence: 99%