TY - JOUR
T1 - A dynamic model for the electrokinetic removal of copper from a polluted soil
AU - Ribeiro, Alexandra de Jesus Branco
AU - Mexia, João Tiago Praça Nunes
PY - 1997/10
Y1 - 1997/10
N2 - The electrokinetic process is a promising decontamination technique for removal of heavy metals from polluted sites. The authors have studied the removal of copper (Cu) from an industrially heavy-metal-contaminated soil, using the application of electric current. A sequential extraction procedure was used to monitor changes in the chemical associations of Cu during the electrokinetic treatment of the soil. A dynamic model is presented for the removal of Cu by electrokinetic decontamination. This model, based on a biregressional design, enables a joint analysis of the experiments which were carried out in a laboratory cell. The removal of Cu was found to be a local phenomenon, dependent on the release of metal by different soil fractions, cumulative and controlled by time as well as pH.
AB - The electrokinetic process is a promising decontamination technique for removal of heavy metals from polluted sites. The authors have studied the removal of copper (Cu) from an industrially heavy-metal-contaminated soil, using the application of electric current. A sequential extraction procedure was used to monitor changes in the chemical associations of Cu during the electrokinetic treatment of the soil. A dynamic model is presented for the removal of Cu by electrokinetic decontamination. This model, based on a biregressional design, enables a joint analysis of the experiments which were carried out in a laboratory cell. The removal of Cu was found to be a local phenomenon, dependent on the release of metal by different soil fractions, cumulative and controlled by time as well as pH.
KW - electrokinetic decontamination
KW - biregressional design
KW - copper
KW - sequential extraction
KW - Biregressional design
KW - Copper
KW - Electrokinetic decontamination
KW - Sequential extraction
U2 - 10.1016/S0304-3894(97)00060-5
DO - 10.1016/S0304-3894(97)00060-5
M3 - Article
SN - 0304-3894
VL - 56
SP - 257
EP - 271
JO - Journal of Hazardous Materials
JF - Journal of Hazardous Materials
IS - 3
ER -