scholarly journals Characterization of Hydrocarbon-Contaminated Sites Based on Geoelectrical Methods of Geophysical Exploration

Geophysics ◽  
2018 ◽  
Author(s):  
Omar Delgado-Rodríguez ◽  
Vladimir Shevnin ◽  
Héctor Peinado-Guevara ◽  
María Ladrón de Guevara-Torres
2021 ◽  
pp. 1-11
Author(s):  
Amna Aqeel ◽  
Zahid Hussain ◽  
Qurat-Ul-Ain Aqeel ◽  
Javaria Zafar ◽  
Naureen Ehsan ◽  
...  

2009 ◽  
Vol 163 (1-4) ◽  
pp. 477-488 ◽  
Author(s):  
Grażyna A. Płaza ◽  
Grzegorz Nałęcz-Jawecki ◽  
Onruthai Pinyakong ◽  
Paul Illmer ◽  
Rosa Margesin

Geosciences ◽  
2019 ◽  
Vol 9 (12) ◽  
pp. 487 ◽  
Author(s):  
Aristeidis Nivorlis ◽  
Torleif Dahlin ◽  
Matteo Rossi ◽  
Nikolas Höglund ◽  
Charlotte Sparrenbom

Soil contamination is a widespread problem and action needs to be taken in order to prevent damage to the groundwater and the life around the contaminated sites. In Sweden, it is estimated that more than 80,000 sites are potentially contaminated, and therefore, there is a demand for investigations and further treatment of the soil. In this paper, we present the results from a methodology applied in a site contaminated with chlorinated solvents, for characterization of the contamination in order to plan the remediation and to follow-up the initial step of in-situ remediation in an efficient way. We utilized the results from three different methods; membrane interface probe for direct measurement of the contaminant concentrations; seismic refraction tomography for investigating the depth to the bedrock interface; and direct current resistivity and time-domain induced polarization tomography to acquire a high-resolution imaging of the electrical properties of the subsurface. The results indicate that our methodology is very promising in terms of site characterization, and furthermore, has great potential for real-time geophysical monitoring of contaminated sites in the future.


2016 ◽  
Vol 2 (1 and 2) ◽  
pp. 37-42 ◽  
Author(s):  
Ashutosh Yadav ◽  
Abhay Raj ◽  
Ram Naresh Bharagava

In this study, an enterobacterium was isolated from treated tannery wastewater and characterized as gram-negative, rod shaped, motile, and lactose fermenting bacterium. Further, based on the 16S rRNA gene sequence analysis, the bacterium was identified as Pantoea sp. with accession number The antibiotic and heavy KJ576899. metal resistant property of isolated bacterium was investigated by the disk diffusion method on Muller-Hinton and nutrient agar medium amended with the increasing concentrations of various toxic metal ions, respectively. Results showed that the isolated bacterium was sensitive for amikacin, ampicillin, cefepime, cetriaxone, chloramphenicol, levofloxacin, meropenem, nalidixic acid, piperacillin and tobramycin, resistant for aztreonam, carbenicillin, cefotaxime, ceftazidime, ciprofloxacin, cotrimoxazole, imepenam, moxifloxacin, streptomycin and tetracycline, but intermediate for amoxicillin and gentamicin. In addition, the bacterium also showed the Minimum Inhibitory Concentration (MIC) values of 250, 500, 160, 190, 600, 700, 500, 380, 600 and 350 μg ml-1 forCu, Cr, Cd, Co, Zn, Fe, Ni, Pb, Mo and As, respectively with a plasmid DNA of 33.5 kb. This multi-drug and multi-metal resistant bacterium can be used as a potential agent for the bioremediation of metal contaminated sites.


2017 ◽  
Vol 15 (1) ◽  
pp. 103-113 ◽  
Author(s):  
Lolo Wal Marzan ◽  
Tasrin Sultana ◽  
Md. Mahbub Hasan ◽  
Sohana Akter Mina ◽  
Md. Rafiqul Islam ◽  
...  

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