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@ARTICLE{Masy:281429,
      author       = {Masy, Thibaut and Caterina, David and Tromme, Olivier and
                      Lavigne, Benoît and Thonart, Philippe and Hiligsmann, Serge
                      and Nguyen, Frédéric},
      title        = {{E}lectrical resistivity tomography to monitor enhanced
                      biodegradation of hydrocarbons with {R}hodococcus
                      erythropolis {T}902.1 at a pilot scale},
      journal      = {Journal of contaminant hydrology},
      volume       = {184},
      issn         = {0169-7722},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-01122},
      pages        = {1 - 13},
      year         = {2016},
      abstract     = {Petroleum hydrocarbons (HC) represent the most widespread
                      contaminants and in-situ bioremediation remains a
                      competitive treatment in terms of cost and environmental
                      concerns. However, the efficiency of such a technique (by
                      biostimulation or bioaugmentation) strongly depends on the
                      environment affected and is still difficult to predict a
                      priori. In order to overcome these uncertainties, Electrical
                      Resistivity Tomography (ERT) appears as a valuable
                      non-invasive tool to detect soil heterogeneities and to
                      monitor biodegradation. The main objective of this study was
                      to isolate an electrical signal linked to an enhanced
                      bacterial activity with ERT, in an aged HC-contaminated clay
                      loam soil. To achieve this, a pilot tank was built to mimic
                      field conditions. Compared to a first insufficient
                      biostimulation phase, bioaugmentation with Rhodococcus
                      erythropolis T902.1 led to a HC depletion of almost $80\%$
                      (6900 to 1600 ppm) in 3 months in the center of the
                      contaminated zone, where pollutants were less bioavailable.
                      In the meantime, lithological heterogeneities and microbial
                      activities (growth and biosurfactant production) were
                      successively discriminated by ERT images. In the future,
                      this cost-effective technique should be more and more
                      transferred to the field in order to monitor biodegradation
                      processes and assist in selecting the most appropriate
                      remediation technique.},
      cin          = {IBG-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000370768400001},
      pubmed       = {pmid:26697744},
      doi          = {10.1016/j.jconhyd.2015.11.001},
      url          = {https://juser.fz-juelich.de/record/281429},
}