Mechanism of Actions Involved in Sustainable Ecorestoration of Petroleum Hydrocarbons Polluted Soil by the Beneficial Microorganism

2021 ◽  
pp. 189-206
Author(s):  
Charles Oluwaseun Adetunji ◽  
Osikemekha Anthony Anani ◽  
Deepak Panpatte
Keyword(s):  
Petroleum Hydrocarbons ◽  
Polluted Soil

Treatment of heavy petroleum hydrocarbons polluted soil leachates by ultrafiltration and oxidation for surfactant recovery

2018 ◽  
Vol 6 (2) ◽  
pp. 2568-2576 ◽  
Author(s):  
Shahirul Amad Hanafiah ◽  
Mahmoud Ahmed Mohamed ◽  
Sarah Caradec ◽  
Nicolas Fatin-Rouge
Keyword(s):  
Petroleum Hydrocarbons ◽  
Polluted Soil ◽  
Heavy Petroleum ◽  
Surfactant Recovery

Hydrocarbon- and metal-polluted soil bioremediation: progress and challenges

2018 ◽  
Vol 39 (3) ◽  
pp. 133 ◽  
Author(s):  
Maria Kuyukina ◽  
Anastasiya Krivoruchko ◽  
Irina Ivshina
Keyword(s):  
Heavy Metals ◽  
Russian Federation ◽  
Petroleum Hydrocarbons ◽  
Recent Progress ◽  
Polluted Soil ◽  
Soil Bioremediation ◽  
Microbial Enzymes ◽  
Metal Pollutants ◽  
General Metabolism ◽  
The Russian Federation

The problem of soil contamination with petroleum hydrocarbons and heavy metals is becoming particularly acute for large oil-producing countries, like the Russian Federation. Both hydrocarbon and metal contaminants impact negatively the soil biota and human health, thus requiring efficient methods for their detoxification and elimination. Bioremediation of soil co-contaminated with hydrocarbon and metal pollutants is complicated by the fact that, although the two components must be treated differently, they mutually affect the overall removal efficiency. Heavy metals are reported to inhibit biodegradation of hydrocarbons by interfering with microbial enzymes directly involved in biodegradation or through the interaction with enzymes involved in general metabolism. Here we discuss recent progress and challenges in bioremediation of soils co-contaminated with hydrocarbons and heavy metals, focusing on selecting metal-resistant biodegrading strains and biosurfactant amendments.

scholarly journals Evolution of the Microbioal Population in a Polluted Soil with Petroleum Hydrocarbons

1970 ◽  
Vol 66 (2) ◽  
Author(s):  
Mariana MARINESCU ◽  
M. DUMITRU ◽  
Anca LĂCĂTUŞU ◽  
Gabriela MIHALACHE
Keyword(s):  
Crude Oil ◽  
Natural Product ◽  
Petroleum Hydrocarbons ◽  
Petroleum Hydrocarbon ◽  
Environmental Problems ◽  
Polluted Soil ◽  
Total Petroleum Hydrocarbons ◽  
Biodegradation Rate ◽  
Green House ◽  
Bacterial Inoculum

Crude oil bioremediation of soils is limited by the bacteria activity in degrading the spills hydrocarbons. The aim of this study is to enhance the bioremediation of soils polluted with crude oil by adding the natural biodegradable product and bacterial inoculum. Biodegradation was quantified by total petroleum hydrocarbons (TPH) analyses. Petroleum hydrocarbon pollution is one of the main environmental problems, not only by the important amounts released but also because of their toxicity. The main objective of this work is to accelerate the biodegradation processes. The enhancement of petroleum hydrocarbons degradation was achieved under natural product treatment and bacterial inoculum. The bacterial inoculum was used to enrich indigenous microbes to enhance biodegradation rate in the green house experiment.

Comparative Bioremediation of Oil Contaminated Soil by Natural Attenuation, Biostimulation and Bioaugmentation

2013 ◽  
Vol 777 ◽  
pp. 258-262 ◽  
Author(s):  
Jin Lan Xu ◽  
Jie Zhang ◽  
Ting Lin Huang ◽  
An Long Xi
Keyword(s):  
Natural Attenuation ◽  
Half Life ◽  
Petroleum Hydrocarbons ◽  
Microbial Population ◽  
Microbial Consortium ◽  
Field Studies ◽  
Polluted Soil ◽  
Oil Removal ◽  
Order Model ◽  
Indigenous Microorganism

In most field studies, enhancing biodegradation of petroleum hydrocarbons depends on the specific microbial population present. It is a dispute whether inoculation microbial consortium improved the degradation of petroleum because indigenous microorganism can easily adapt to surroundings and contend for inoculation microbial consortium. Therefore, all of three technologies (natural attenuation, biostimulation and bioaugmentation) were evaluated. After 8 weeks of bioremediation, it was observed that bioaugmentation most effectively removed 53% of oil under inoculation condition. Poor oil removal of below 4% was observed under natural attenuation without inoculation. In addition, it was found that the degradation of oil in oil-polluted soil followed second-order model and acquired the dynamics equations. The half-life of natural attenuation, biostimulation and bioaugmentation was 833 days, 75days, 25days, respectively. The results indicated bioaugmentation could improve efficiently the degradation of TPH and shorten the bioremediation period.

scholarly journals The Effect of Montmorillonite Nano-Clay on the Changes in Petroleum Hydrocarbon Degradation and Cd Concentration in Plants Grown in Cd-Polluted Soil

2018 ◽  
Vol 5 (2) ◽  
pp. 100-105
Author(s):  
Amir Hossein Baghaie ◽  
Mehran Keshavarzi
Keyword(s):  
Crude Oil ◽  
Petroleum Hydrocarbons ◽  
Festuca Arundinacea ◽  
Petroleum Hydrocarbon ◽  
Microbial Respiration ◽  
Polluted Soil ◽  
Hydrocarbon Degradation ◽  
Significant Difference ◽  
Nano Clay ◽  
Plant Grown

Contamination with heavy metals and petroleum hydrocarbons is considered as an environmental problem. Thus, this research was done to evaluate the effect of montmorillonite nano-clay on the changes in petroleum hydrocarbon degradation and cadmium (Cd) concentration in plant grown in a Cd-polluted soil. Treatments consisted of two levels of montmorillonite nano-clay (0 and 1% W/W) in a Cd-polluted soil (0, 5, 10 mg Cd/kg soil) and crude oil-polluted soil (0, 1 and 2% W/W). The plant used in this study was Tall Fescue (Festuca arundinacea L.). After 20 weeks, the concentration of Cd in plants was measured by atomic absorption spectroscopy and the total petroleum hydrocarbon (TPHs) in the soil was determined using the GC-mass spectrometry. Soil respiration was determined according to the method used by Qiao et al. ANOVA was used for statistical analysis of data. The least significant difference (LSD) test was used to determine the differences between the means. The application of 1% (w/w) montmorillonite nano-clay in Cd-polluted soil (10 mg Cd) without crude oil decreased Cd concentration in plant and increased microbial respiration by 18% and 34%, respectively. In addition, the application of 1% montmorillonite nano-clay in soil polluted with 1% crude oil and 10 mg Cd enhanced TPHs degradation by 27%. The use of montmorillonite nano-clay increased Cd adsorption in soil which resulted in an increase in microbial respiration and, hence the degradability of petroleum hydrocarbon in the soil.

scholarly journals Phytoremediation Of Crude Oil Impacted Soil Using Purple Nutsedge

2021 ◽  
Vol 25 (3) ◽  
pp. 475-479
Author(s):  
E.O. Nwaichi ◽  
C.O. Chukwuere ◽  
P.J. Abosi ◽  
G.I. Onukwuru
Keyword(s):  
Heavy Metals ◽  
Crude Oil ◽  
Petroleum Hydrocarbons ◽  
Control Site ◽  
Polluted Soil ◽  
Bioaccumulation Factor ◽  
Total Petroleum Hydrocarbons ◽  
Purple Nutsedge ◽  
Before And After ◽  
Rivers State

The present study investigated the viability of purple nutsedge in the phytoremediation of a crude oilcontaminated land in the Kom-Kom community, Oyigbo, Rivers state, Nigeria. 150g of soil samples were randomly collected from two (2) different points on the polluted site and a control site and analyzed for Petroleum Aromatic Hydrocarbons (PAHs), Total Petroleum Hydrocarbons (TPH) and Heavy metals ( Pb, Cd, Cr & Ni). in soils and plants before and after phytoremediation. Plants were transplanted into the contaminated and contaminated soil after soil sample collection.After planting,the progress of plant growth was observed and recorded biweekly for 3 months before harvesting. From the results obtained, over 80% and 66% PAHs and TPHs phytodegradation efficiencies were achieved using the plant while Cd, Pb and Cr were removed by 90%, 67% and 39.2% respectively. The Bioaccumulation Factor (B.F) of the heavymetals in study plant were found to be greated than 1 which makes it suitable for phytoextraction of heavy metals. Therefore, the study suggests that purple nutsedge can be useful in the phytoremediation of a crudeoil polluted soil. Keywords: Hydrocarbons, Heavy metals, Phytoremediation, Crude oil, Purple nutsedge

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