scholarly journals Electro-kinetic remediation of chromium-contaminated soil by a three-dimensional electrode coupled with a permeable reactive barrier

RSC Advances ◽  
2017 ◽  
Vol 7 (86) ◽  
pp. 54797-54805 ◽  
Author(s):  
Fengjiao Xue ◽  
Yujie Yan ◽  
Ming Xia ◽  
Faheem Muhammad ◽  
Lin Yu ◽  
...  
Keyword(s):  
Contaminated Soil ◽  
Three Dimensional ◽  
Permeable Reactive Barrier ◽  
Reactive Barrier

Electro-kinetic remediation of Cr-contaminated soil by three-dimensional electrode coupled with a permeable reactive barrier.

Lead (II) Removal from Contaminated Soils by Electrokinetic Remediation Coupled with Modified Eggshell Waste

2018 ◽  
Vol 777 ◽  
pp. 256-261 ◽  
Author(s):  
André Ribeiro ◽  
André Mota ◽  
Margarida Soares ◽  
Carlos Castro ◽  
Jorge Araújo ◽  
...  
Keyword(s):  
Contaminated Soil ◽  
Contaminated Soils ◽  
Removal Rate ◽  
Electrokinetic Remediation ◽  
Permeable Reactive Barrier ◽  
Inorganic Contaminants ◽  
Reactive Barrier ◽  
Eggshell Waste ◽  
Inorganic Fraction ◽  
Maximum Removal

Electrokinetic remediation deserves particular attention in soil treatment due to its peculiar advantages, including the capability of treating fine and low permeability materials, and achieving consolidation, dewatering and removal of salts and inorganic contaminants like heavy metals in a single stage. In this study, the remediation of artificially lead (II) contaminated soil by electrokinetic process, coupled with Eggshell Inorganic Fraction Powder (EGGIF) permeable reactive barrier (PRB), was investigated. An electric field of 2 V cm-1was applied and was used an EGGIF/soil ratio of 30 g kg-1 of contaminated soil for the preparation of the permeable reactive barrier (PRB) in each test. It was obtained high removal rates of lead in both experiments, especially near the cathode. In the normalized distance to cathode of 0.2 it was achieved a maximum removal rate of lead (II) of 68, 78 and 83% in initial lead (II) concentration of 500 mg-1, 200 mg-1 and 100 mg-1, respectively. EGGIF (Eggshell Inorganic Fraction) proved that can be used as permeable reactive barrier (PRB) since in all the performed tests were achieved adsorptions yields higher than 90%.

Remediation of Phenanthrene-Contaminated Soil by Electrokinetics Coupled with Iron/Carbon Permeable Reactive Barrier

2019 ◽  
Vol 36 (9) ◽  
pp. 1224-1235 ◽  
Author(s):  
Dajun Ren ◽  
Sheng Li ◽  
Jian Wu ◽  
Linjun Fu ◽  
Xiaoqing Zhang ◽  
...  
Keyword(s):  
Contaminated Soil ◽  
Permeable Reactive Barrier ◽  
Reactive Barrier
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