TY  - JOUR
AU  - Bulatović, Sandra
AU  - Marić, Nenad
AU  - Solević Knudsen, Tatjana
AU  - Avdalović, Jelena
AU  - Ilić, Mila
AU  - Jovančićević, Branimir J.
AU  - Vrvić, Miroslav M.
PY  - 2020
UR  - https://omorika.sfb.bg.ac.rs/handle/123456789/1153
AB  - Due to their extensive use, petroleum hydrocarbons are among the most common groundwater contaminants Compared to the traditional methods of physical pumping of contamination from the aquifer and subsequent treatment (i.e., pump and treat), bioremediation is an economically cost-effective technology. The aim of this remediation approach is to transform biologically contaminants, most often by microbiological activity, into non-toxic compounds. More precisely, it is an active remediation process that involves biostimulation (increase of aquifer oxygenation, addition of nutrients) and/or bioaugmentation (injection of a concentrated and specialized population of microorganisms). Using both biostimulation and bioaugmentation, enhanced in situ groundwater bioremediation was applied at a hydrocarbon-contaminated site in Belgrade. The bioremediation treatment, applied over twelve months, was highly efficient in reducing the concentrations of total petroleum hydrocarbon (TPH) to acceptable levels. The concentration of TPH in the piezometer P-5 was reduced by 98.55 %, in the piezometer P-6 by 98.30 % and in the piezometer P-7 by 98.09 %. These results provided strong evidence on the potential of this remediation approach to overcome site-limiting factors and enhance microbiological activity in order to reduce groundwater contamination.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Bioremediation of groundwater contaminated with petroleum hydrocarbons applied at a site in Belgrade (Serbia)
EP  - 1081
IS  - 8
SP  - 1067
VL  - 85
DO  - 10.2298/JSC191023003B
UR  - conv_1505
ER  - 

@article{
author = "Bulatović, Sandra and Marić, Nenad and Solević Knudsen, Tatjana and Avdalović, Jelena and Ilić, Mila and Jovančićević, Branimir J. and Vrvić, Miroslav M.",
year = "2020",
abstract = "Due to their extensive use, petroleum hydrocarbons are among the most common groundwater contaminants Compared to the traditional methods of physical pumping of contamination from the aquifer and subsequent treatment (i.e., pump and treat), bioremediation is an economically cost-effective technology. The aim of this remediation approach is to transform biologically contaminants, most often by microbiological activity, into non-toxic compounds. More precisely, it is an active remediation process that involves biostimulation (increase of aquifer oxygenation, addition of nutrients) and/or bioaugmentation (injection of a concentrated and specialized population of microorganisms). Using both biostimulation and bioaugmentation, enhanced in situ groundwater bioremediation was applied at a hydrocarbon-contaminated site in Belgrade. The bioremediation treatment, applied over twelve months, was highly efficient in reducing the concentrations of total petroleum hydrocarbon (TPH) to acceptable levels. The concentration of TPH in the piezometer P-5 was reduced by 98.55 %, in the piezometer P-6 by 98.30 % and in the piezometer P-7 by 98.09 %. These results provided strong evidence on the potential of this remediation approach to overcome site-limiting factors and enhance microbiological activity in order to reduce groundwater contamination.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Bioremediation of groundwater contaminated with petroleum hydrocarbons applied at a site in Belgrade (Serbia)",
pages = "1081-1067",
number = "8",
volume = "85",
doi = "10.2298/JSC191023003B",
url = "conv_1505"
}

Bulatović, S., Marić, N., Solević Knudsen, T., Avdalović, J., Ilić, M., Jovančićević, B. J.,& Vrvić, M. M.. (2020). Bioremediation of groundwater contaminated with petroleum hydrocarbons applied at a site in Belgrade (Serbia). in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 85(8), 1067-1081.
https://doi.org/10.2298/JSC191023003B
conv_1505

Bulatović S, Marić N, Solević Knudsen T, Avdalović J, Ilić M, Jovančićević BJ, Vrvić MM. Bioremediation of groundwater contaminated with petroleum hydrocarbons applied at a site in Belgrade (Serbia). in Journal of the Serbian Chemical Society. 2020;85(8):1067-1081.
doi:10.2298/JSC191023003B
conv_1505 .

Bulatović, Sandra, Marić, Nenad, Solević Knudsen, Tatjana, Avdalović, Jelena, Ilić, Mila, Jovančićević, Branimir J., Vrvić, Miroslav M., "Bioremediation of groundwater contaminated with petroleum hydrocarbons applied at a site in Belgrade (Serbia)" in Journal of the Serbian Chemical Society, 85, no. 8 (2020):1067-1081,
https://doi.org/10.2298/JSC191023003B .,
conv_1505 .

TY  - JOUR
AU  - Marić, Nenad
AU  - Matić, Ivan
AU  - Papić, Petar
AU  - Beskoski, Vladimir P.
AU  - Ilić, Mila
AU  - Gojgić-Cvijović, Gordana
AU  - Miletić, Srdan
AU  - Nikić, Zoran
AU  - Vrvić, Miroslav M.
PY  - 2018
UR  - https://omorika.sfb.bg.ac.rs/handle/123456789/921
AB  - The role of natural attenuation processes in groundwater contamination by petroleum hydrocarbons is of intense scientific and practical interest. This study provides insight into the biodegradation effects in groundwater at a site contaminated by kerosene (jet fuel) in 1993 (Vitanovac, Serbia). Total petroleum hydrocarbons (TPH), hydrochemical indicators (O-2 , NO3-, Mn, Fe, SO42-, HCO3- ), delta C-13 of dissolved inorganic carbon (DIC), and other parameters were measured to demonstrate biodegradation effects in groundwater at the contaminated site. Due to different biodegradation mechanisms, the zone of the lowest concentrations of electron acceptors and the zone of the highest concentrations of metabolic products of biodegradation overlap. Based on the analysis of redox-sensitive compounds in groundwater samples, redox processes ranged from strictly anoxic (methanogenesis) to oxic (oxygen reduction) within a short distance. The dependence of groundwater redox conditions on the distance from the source of contamination was observed. delta C-13 values of DIC ranged from -15.83 to -2.75 parts per thousand, and the most positive values correspond to the zone under anaerobic and methanogenic conditions. Overall, results obtained provide clear evidence on the effects of natural attenuation processes-the activity of biodegradation mechanisms in field conditions.
T2  - Environmental Monitoring and Assessment
T1  - Natural attenuation of petroleum hydrocarbons-a study of biodegradation effects in groundwater (Vitanovac, Serbia)
IS  - 2
VL  - 190
DO  - 10.1007/s10661-018-6462-4
UR  - conv_1327
ER  - 

@article{
author = "Marić, Nenad and Matić, Ivan and Papić, Petar and Beskoski, Vladimir P. and Ilić, Mila and Gojgić-Cvijović, Gordana and Miletić, Srdan and Nikić, Zoran and Vrvić, Miroslav M.",
year = "2018",
abstract = "The role of natural attenuation processes in groundwater contamination by petroleum hydrocarbons is of intense scientific and practical interest. This study provides insight into the biodegradation effects in groundwater at a site contaminated by kerosene (jet fuel) in 1993 (Vitanovac, Serbia). Total petroleum hydrocarbons (TPH), hydrochemical indicators (O-2 , NO3-, Mn, Fe, SO42-, HCO3- ), delta C-13 of dissolved inorganic carbon (DIC), and other parameters were measured to demonstrate biodegradation effects in groundwater at the contaminated site. Due to different biodegradation mechanisms, the zone of the lowest concentrations of electron acceptors and the zone of the highest concentrations of metabolic products of biodegradation overlap. Based on the analysis of redox-sensitive compounds in groundwater samples, redox processes ranged from strictly anoxic (methanogenesis) to oxic (oxygen reduction) within a short distance. The dependence of groundwater redox conditions on the distance from the source of contamination was observed. delta C-13 values of DIC ranged from -15.83 to -2.75 parts per thousand, and the most positive values correspond to the zone under anaerobic and methanogenic conditions. Overall, results obtained provide clear evidence on the effects of natural attenuation processes-the activity of biodegradation mechanisms in field conditions.",
journal = "Environmental Monitoring and Assessment",
title = "Natural attenuation of petroleum hydrocarbons-a study of biodegradation effects in groundwater (Vitanovac, Serbia)",
number = "2",
volume = "190",
doi = "10.1007/s10661-018-6462-4",
url = "conv_1327"
}

Marić, N., Matić, I., Papić, P., Beskoski, V. P., Ilić, M., Gojgić-Cvijović, G., Miletić, S., Nikić, Z.,& Vrvić, M. M.. (2018). Natural attenuation of petroleum hydrocarbons-a study of biodegradation effects in groundwater (Vitanovac, Serbia). in Environmental Monitoring and Assessment, 190(2).
https://doi.org/10.1007/s10661-018-6462-4
conv_1327

Marić N, Matić I, Papić P, Beskoski VP, Ilić M, Gojgić-Cvijović G, Miletić S, Nikić Z, Vrvić MM. Natural attenuation of petroleum hydrocarbons-a study of biodegradation effects in groundwater (Vitanovac, Serbia). in Environmental Monitoring and Assessment. 2018;190(2).
doi:10.1007/s10661-018-6462-4
conv_1327 .

Marić, Nenad, Matić, Ivan, Papić, Petar, Beskoski, Vladimir P., Ilić, Mila, Gojgić-Cvijović, Gordana, Miletić, Srdan, Nikić, Zoran, Vrvić, Miroslav M., "Natural attenuation of petroleum hydrocarbons-a study of biodegradation effects in groundwater (Vitanovac, Serbia)" in Environmental Monitoring and Assessment, 190, no. 2 (2018),
https://doi.org/10.1007/s10661-018-6462-4 .,
conv_1327 .

TY  - JOUR
AU  - Beskoski, Vladimir P.
AU  - Miletić, Srdjan
AU  - Ilić, Mila
AU  - Gojgić-Cvijović, Gordana
AU  - Papić, Petar
AU  - Marić, Nenad
AU  - Solević-Knudsen, Tatjana
AU  - Jovancicević, Branimir S.
AU  - Nakano, Takeshi
AU  - Vrvić, Miroslav M.
PY  - 2017
UR  - https://omorika.sfb.bg.ac.rs/handle/123456789/868
AB  - The objective of this study was to stimulate microbial biodegradation of petroleum pollution in groundwater and to analyze changes in the abundance and distribution of organic compounds detectable in petroleum. Bioremediation was conducted in a closed bipolar system, by bioaugmentation with consortia of hydrocarbon degrading microorganisms (HD) and biostimulation with nutrients. Comprehensive twodimensional gas chromatography-mass spectrometry (GC X GC-MS) was used to visualize all fractions simultaneously. During the study, the content of total petroleum hydrocarbon (TPH) in groundwater decreased by 92.7% of the initial level, and the average rate of biodegradation was 0.1 mg/L per day. Increased numbers of HD were observed and the dominant genera were Pseudomonas, Rhodococcus, Achromobacter, Bacillus, and Micromonospora. In the first 30 days of bioremediation, there was no significant biodegradation of n-alkanes and petroleum biomarkers - isoprenoids such as pristane and phytane, and polycyclic-saturated hydrocarbons such as terpanes and steranes. However, after 60 days of bioremediation, more than 95% of n-alkanes, terpanes and steranes were biodegraded. Phenanthrene and its methyl-,dimethyl-, and trimethyl-isomers were biodegraded and reduced by more than 99% of their initial levels. However, their decomposition had clearly commenced after just 30 days. This is a somewhat surprising result since it follows that the phenanthrenes were more susceptible to biodegradation than the n-alkanes and isoprenoids. Depending on the microbial community used for bioaugmentation, biodegradation of phenanthrene can precede biodegradation of saturated hydrocarbons.
T2  - Clean-Soil Air Water
T1  - Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum-Contaminated Groundwater
IS  - 2
VL  - 45
DO  - 10.1002/clen.201600023
UR  - conv_1258
ER  - 

@article{
author = "Beskoski, Vladimir P. and Miletić, Srdjan and Ilić, Mila and Gojgić-Cvijović, Gordana and Papić, Petar and Marić, Nenad and Solević-Knudsen, Tatjana and Jovancicević, Branimir S. and Nakano, Takeshi and Vrvić, Miroslav M.",
year = "2017",
abstract = "The objective of this study was to stimulate microbial biodegradation of petroleum pollution in groundwater and to analyze changes in the abundance and distribution of organic compounds detectable in petroleum. Bioremediation was conducted in a closed bipolar system, by bioaugmentation with consortia of hydrocarbon degrading microorganisms (HD) and biostimulation with nutrients. Comprehensive twodimensional gas chromatography-mass spectrometry (GC X GC-MS) was used to visualize all fractions simultaneously. During the study, the content of total petroleum hydrocarbon (TPH) in groundwater decreased by 92.7% of the initial level, and the average rate of biodegradation was 0.1 mg/L per day. Increased numbers of HD were observed and the dominant genera were Pseudomonas, Rhodococcus, Achromobacter, Bacillus, and Micromonospora. In the first 30 days of bioremediation, there was no significant biodegradation of n-alkanes and petroleum biomarkers - isoprenoids such as pristane and phytane, and polycyclic-saturated hydrocarbons such as terpanes and steranes. However, after 60 days of bioremediation, more than 95% of n-alkanes, terpanes and steranes were biodegraded. Phenanthrene and its methyl-,dimethyl-, and trimethyl-isomers were biodegraded and reduced by more than 99% of their initial levels. However, their decomposition had clearly commenced after just 30 days. This is a somewhat surprising result since it follows that the phenanthrenes were more susceptible to biodegradation than the n-alkanes and isoprenoids. Depending on the microbial community used for bioaugmentation, biodegradation of phenanthrene can precede biodegradation of saturated hydrocarbons.",
journal = "Clean-Soil Air Water",
title = "Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum-Contaminated Groundwater",
number = "2",
volume = "45",
doi = "10.1002/clen.201600023",
url = "conv_1258"
}

Beskoski, V. P., Miletić, S., Ilić, M., Gojgić-Cvijović, G., Papić, P., Marić, N., Solević-Knudsen, T., Jovancicević, B. S., Nakano, T.,& Vrvić, M. M.. (2017). Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum-Contaminated Groundwater. in Clean-Soil Air Water, 45(2).
https://doi.org/10.1002/clen.201600023
conv_1258

Beskoski VP, Miletić S, Ilić M, Gojgić-Cvijović G, Papić P, Marić N, Solević-Knudsen T, Jovancicević BS, Nakano T, Vrvić MM. Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum-Contaminated Groundwater. in Clean-Soil Air Water. 2017;45(2).
doi:10.1002/clen.201600023
conv_1258 .

Beskoski, Vladimir P., Miletić, Srdjan, Ilić, Mila, Gojgić-Cvijović, Gordana, Papić, Petar, Marić, Nenad, Solević-Knudsen, Tatjana, Jovancicević, Branimir S., Nakano, Takeshi, Vrvić, Miroslav M., "Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum-Contaminated Groundwater" in Clean-Soil Air Water, 45, no. 2 (2017),
https://doi.org/10.1002/clen.201600023 .,
conv_1258 .

TY  - JOUR
AU  - Marić, Nenad
AU  - Petrović, Rastko
AU  - Nikić, Zoran
AU  - Beškoski, Vladimir
AU  - Papić, Petar
AU  - Matić, Ivan
AU  - Vrvić, Miroslav M.
PY  - 2017
UR  - https://omorika.sfb.bg.ac.rs/handle/123456789/822
AB  - Prirodno prečišćavanje objedinjuje niz procesa koji dovode do smanjenja zagađenja podzemnih voda naftnim ugljovodonicima. Biodegradacija često ima glavnu ulogu među ovim procesima, pošto mikroorgranizmi koriste naftne ugljovodonike kao izvor energije i ugljenika. Primena prirodnog prečišćavanja kao remedijacionog tretmana podrazumeva detaljnu hidrogeološku karakterizaciju zagađene lokacije i osmatranje procesa kojim dolazi do smanjenja zagađenja. U radu su prikazani rezultati osmatranja prirodnog prečišćavanja na lokaciji istorijskog zagađenja kerozinom kod Kraljeva. U cilju osmatranja efekata biodegradacije, u podzemnim vodama su vršena merenja sledećih parametara: ukupnih naftnih ugljovodonika (TPH), elektron akceptora (O2, NO3 -, SO4 2-), metaboličkih produkata biodegradacije (Mn, Fe) i redoks potencijala (Eh). Dobijeni rezultati i metodološki pristup mogu se smatrati korisnim kod koncipiranja budućih istraživanja ovog tipa.
AB  - Natural attenuation includes a number of processes that cause the reduction of groundwater contamination by petroleum hydrocarbons. Among these processes biodegradation often plays a major role, since microorganisms use petroleum hydrocarbons as the source of energy and carbon. Application of natural attenuation as a remediation approach requires detailed hydrogeological characterization of the contaminated site and monitoring of attenuation processes. This paper presents the results of monitored natural attenuation at the site of historical contamination by kerosene near Kraljevo. In order to demonstrate effects of biodegradation, following parameters in groundwater were measured: total petroleum hydrocarbons (TPH), electron acceptors (O2, NO3, SO4 2-), metabolic products of biodegradation (Mn, Fe), and redox potential (Eh). Obtained results and methodological approach can be considered useful in conceptualizing future studies of this type.
PB  - Inženjersko društvo za koroziju, Beograd
T2  - Zaštita materijala
T1  - Prirodno prečišćavanje podzemnih voda zagađenih naftnim ugljovodonicima - mehanizam, koncepcija istraživanja, primena u praksi
T1  - Natural attenuation of groundwater contaminated by petroleum hydrocarbons: Mechanism, research concept, practical application
EP  - 454
IS  - 4
SP  - 445
VL  - 58
DO  - 10.5937/ZasMat1704445M
UR  - conv_62
ER  - 

@article{
author = "Marić, Nenad and Petrović, Rastko and Nikić, Zoran and Beškoski, Vladimir and Papić, Petar and Matić, Ivan and Vrvić, Miroslav M.",
year = "2017",
abstract = "Prirodno prečišćavanje objedinjuje niz procesa koji dovode do smanjenja zagađenja podzemnih voda naftnim ugljovodonicima. Biodegradacija često ima glavnu ulogu među ovim procesima, pošto mikroorgranizmi koriste naftne ugljovodonike kao izvor energije i ugljenika. Primena prirodnog prečišćavanja kao remedijacionog tretmana podrazumeva detaljnu hidrogeološku karakterizaciju zagađene lokacije i osmatranje procesa kojim dolazi do smanjenja zagađenja. U radu su prikazani rezultati osmatranja prirodnog prečišćavanja na lokaciji istorijskog zagađenja kerozinom kod Kraljeva. U cilju osmatranja efekata biodegradacije, u podzemnim vodama su vršena merenja sledećih parametara: ukupnih naftnih ugljovodonika (TPH), elektron akceptora (O2, NO3 -, SO4 2-), metaboličkih produkata biodegradacije (Mn, Fe) i redoks potencijala (Eh). Dobijeni rezultati i metodološki pristup mogu se smatrati korisnim kod koncipiranja budućih istraživanja ovog tipa., Natural attenuation includes a number of processes that cause the reduction of groundwater contamination by petroleum hydrocarbons. Among these processes biodegradation often plays a major role, since microorganisms use petroleum hydrocarbons as the source of energy and carbon. Application of natural attenuation as a remediation approach requires detailed hydrogeological characterization of the contaminated site and monitoring of attenuation processes. This paper presents the results of monitored natural attenuation at the site of historical contamination by kerosene near Kraljevo. In order to demonstrate effects of biodegradation, following parameters in groundwater were measured: total petroleum hydrocarbons (TPH), electron acceptors (O2, NO3, SO4 2-), metabolic products of biodegradation (Mn, Fe), and redox potential (Eh). Obtained results and methodological approach can be considered useful in conceptualizing future studies of this type.",
publisher = "Inženjersko društvo za koroziju, Beograd",
journal = "Zaštita materijala",
title = "Prirodno prečišćavanje podzemnih voda zagađenih naftnim ugljovodonicima - mehanizam, koncepcija istraživanja, primena u praksi, Natural attenuation of groundwater contaminated by petroleum hydrocarbons: Mechanism, research concept, practical application",
pages = "454-445",
number = "4",
volume = "58",
doi = "10.5937/ZasMat1704445M",
url = "conv_62"
}

Marić, N., Petrović, R., Nikić, Z., Beškoski, V., Papić, P., Matić, I.,& Vrvić, M. M.. (2017). Prirodno prečišćavanje podzemnih voda zagađenih naftnim ugljovodonicima - mehanizam, koncepcija istraživanja, primena u praksi. in Zaštita materijala
Inženjersko društvo za koroziju, Beograd., 58(4), 445-454.
https://doi.org/10.5937/ZasMat1704445M
conv_62

Marić N, Petrović R, Nikić Z, Beškoski V, Papić P, Matić I, Vrvić MM. Prirodno prečišćavanje podzemnih voda zagađenih naftnim ugljovodonicima - mehanizam, koncepcija istraživanja, primena u praksi. in Zaštita materijala. 2017;58(4):445-454.
doi:10.5937/ZasMat1704445M
conv_62 .

Marić, Nenad, Petrović, Rastko, Nikić, Zoran, Beškoski, Vladimir, Papić, Petar, Matić, Ivan, Vrvić, Miroslav M., "Prirodno prečišćavanje podzemnih voda zagađenih naftnim ugljovodonicima - mehanizam, koncepcija istraživanja, primena u praksi" in Zaštita materijala, 58, no. 4 (2017):445-454,
https://doi.org/10.5937/ZasMat1704445M .,
conv_62 .

TY  - JOUR
AU  - Marić, Nenad
AU  - Ilić, Mila
AU  - Miletić, Srdan
AU  - Gojgić-Cvijović, Gordana
AU  - Beskoski, Vladimir
AU  - Vrvić, Miroslav M.
AU  - Papić, Petar
PY  - 2015
UR  - https://omorika.sfb.bg.ac.rs/handle/123456789/693
AB  - This study provides insight into the enhanced in situ bioremediation applied for remediation of groundwater contaminated by petroleum hydrocarbons. Activities prior to the application of this remediation approach included removal of the source of groundwater contamination-an underground storage tank and contaminated sediments-from the unsaturated zone. The hydraulic feasibility of this remediation approach was proved by hydraulic conductivity characterization of the site. Enhanced in situ bioremediation was performed by a combination of biostimulation and bioaugmentation within the closed bipolar system (one extraction and two injection wells). Biostimulation was conducted by addition of nutrients, and stimulation of oxidation processes by injection of H2O2, into the aquifer. Bioaugmentation/re-inoculation was achieved by injection of a zymogenous consortium of hydrocarbon degrading microorganisms isolated from the contaminated groundwater. The average extraction capacity was 0.5 l/s, with an average injection capacity of 0.25 l/s per well. The efficiency of the remediation approach was measured by changes in the content of total petroleum hydrocarbon (TPH), total chemoorganoheterotrophic (TC) and hydrocarbon degrading (HD) microorganisms. After biostimulation and bioaugmentation, the number of TC and HD microorganisms started to increase. This was followed by a decrease of TPH concentration in the groundwater from an initial 6.8-0.5 mg/l at the end of the bioremediation. The applied remediation approach was highly efficient and very effective in reducing TPH to acceptable levels. Together, these facts provide strong evidence of its potential for remediation of groundwater contaminated by petroleum hydrocarbons.
T2  - Environmental Earth Sciences
T1  - Enhanced in situ bioremediation of groundwater contaminated by petroleum hydrocarbons at the location of the Nitex textiles, Serbia
EP  - 5219
IS  - 6
SP  - 5211
VL  - 74
DO  - 10.1007/s12665-015-4531-3
UR  - conv_1171
ER  - 

@article{
author = "Marić, Nenad and Ilić, Mila and Miletić, Srdan and Gojgić-Cvijović, Gordana and Beskoski, Vladimir and Vrvić, Miroslav M. and Papić, Petar",
year = "2015",
abstract = "This study provides insight into the enhanced in situ bioremediation applied for remediation of groundwater contaminated by petroleum hydrocarbons. Activities prior to the application of this remediation approach included removal of the source of groundwater contamination-an underground storage tank and contaminated sediments-from the unsaturated zone. The hydraulic feasibility of this remediation approach was proved by hydraulic conductivity characterization of the site. Enhanced in situ bioremediation was performed by a combination of biostimulation and bioaugmentation within the closed bipolar system (one extraction and two injection wells). Biostimulation was conducted by addition of nutrients, and stimulation of oxidation processes by injection of H2O2, into the aquifer. Bioaugmentation/re-inoculation was achieved by injection of a zymogenous consortium of hydrocarbon degrading microorganisms isolated from the contaminated groundwater. The average extraction capacity was 0.5 l/s, with an average injection capacity of 0.25 l/s per well. The efficiency of the remediation approach was measured by changes in the content of total petroleum hydrocarbon (TPH), total chemoorganoheterotrophic (TC) and hydrocarbon degrading (HD) microorganisms. After biostimulation and bioaugmentation, the number of TC and HD microorganisms started to increase. This was followed by a decrease of TPH concentration in the groundwater from an initial 6.8-0.5 mg/l at the end of the bioremediation. The applied remediation approach was highly efficient and very effective in reducing TPH to acceptable levels. Together, these facts provide strong evidence of its potential for remediation of groundwater contaminated by petroleum hydrocarbons.",
journal = "Environmental Earth Sciences",
title = "Enhanced in situ bioremediation of groundwater contaminated by petroleum hydrocarbons at the location of the Nitex textiles, Serbia",
pages = "5219-5211",
number = "6",
volume = "74",
doi = "10.1007/s12665-015-4531-3",
url = "conv_1171"
}

Marić, N., Ilić, M., Miletić, S., Gojgić-Cvijović, G., Beskoski, V., Vrvić, M. M.,& Papić, P.. (2015). Enhanced in situ bioremediation of groundwater contaminated by petroleum hydrocarbons at the location of the Nitex textiles, Serbia. in Environmental Earth Sciences, 74(6), 5211-5219.
https://doi.org/10.1007/s12665-015-4531-3
conv_1171

Marić N, Ilić M, Miletić S, Gojgić-Cvijović G, Beskoski V, Vrvić MM, Papić P. Enhanced in situ bioremediation of groundwater contaminated by petroleum hydrocarbons at the location of the Nitex textiles, Serbia. in Environmental Earth Sciences. 2015;74(6):5211-5219.
doi:10.1007/s12665-015-4531-3
conv_1171 .

Marić, Nenad, Ilić, Mila, Miletić, Srdan, Gojgić-Cvijović, Gordana, Beskoski, Vladimir, Vrvić, Miroslav M., Papić, Petar, "Enhanced in situ bioremediation of groundwater contaminated by petroleum hydrocarbons at the location of the Nitex textiles, Serbia" in Environmental Earth Sciences, 74, no. 6 (2015):5211-5219,
https://doi.org/10.1007/s12665-015-4531-3 .,
conv_1171 .