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Time-Lapse Electrical Resistivity Tomography For Mapping In Situ Smouldering Remediation (Star), Lais Muchatte Trento
Time-Lapse Electrical Resistivity Tomography For Mapping In Situ Smouldering Remediation (Star), Lais Muchatte Trento
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Time-lapse Electrical Resistivity Tomography (ERT), a surface geophysical technique, was applied for the first time to monitor the first full-scale application of Self-sustaining Treatment for Active Remediation (STAR) at a coal tar contaminated site. STAR is a self-sustaining smouldering technology that destroys contaminants in situ by combustion, generating heat, water, and combustion gases. ERT is used as a complementary source of information to support conventional temperature and gas concentration data collected during STAR operations. A shallow (2.4 mbgs) and a deep (7.8 mbgs) treatment cell were monitored, with 2D surface resistivity surveys conducted before, during and after treatment. Two 36 …