Evaluation of a microbial consortium for crude oil spill bioremediation and its potential uses in enhanced oil recovery

Bhattacharya, Munna; Guchhait, Sugata; Biswas, Dipankar; Singh, Rituraj

doi:10.1016/j.bcab.2019.101034

Cited by 20 publications

(7 citation statements)

References 41 publications

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“…Balachandran et al (2012) observed that Streptomyces sp. (ERI-CPDA-1), isolated from oil-contaminated soil of Chennai region, had potential to degrade 98.25% diesel oil in 7 days at 30 C. Similarly, Bhattacharya et al, 2019 found that the mixed culture of Ochrobactrum pseudintemedium C1 +Bacillus cereus K1 was able to degrade 42.67-70.25% crude oil (4%) within 72 h.…”

Section: Degradation Of Crude Oil By Isolated Bacteria In Mediummentioning

confidence: 89%

Free and Immobilized Microbial Culture–Mediated Crude Oil Degradation and Microbial Diversity Changes Through Taxonomic and Functional Markers in a Sandy Loam Soil

Khandelwal

Sugavanam

Ramakrishnan

et al. 2022

Front. Environ. Sci.

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Crude oil contamination of soil and water resources is a widespread issue. The present study evaluated the degradation of aliphatic hydrocarbons (C11–C36) in crude oil by 17 bacteria isolated from a crude oil–contaminated soil. The results suggested that Pseudomonas sp. and Bacillus amyloliquefaciens were the best hydrocarbon-degrading bacteria in the presence of surfactant Tween-80 (0.1% w/v). Based on the present investigation and a previous study, Pseudomonas sp. + B. amyloliquefaciens and fungus Aspergillus sydowii were identified as best oil degraders and were immobilized in alginate–bentonite beads, guargum–nanobenonite water dispersible granules (WDGs), and carboxy methyl cellulose (CMC)–bentonite composite. Sandy loam soil was fortified with 1, 2, and 5% crude oil, and total petroleum hydrocarbon (TPH) degradation efficiency of free cultures and bio-formulations was evaluated in sandy loam soils. Compared to a half-life (t1/2) of 69.7 days in the control soil (1% oil), free cultures of Pseudomonas sp. + B. amyloliquefaciens and A. sydowii degraded TPH with t1/2 of 10.8 and 19.4 days, respectively. Increasing the oil content slowed down degradation, and the t1/2 in the control and soils inoculated with Pseudomonas sp. + B. amyloliquefaciens and A. sydowii was 72.9, 14.7, and 22.2 days (2%) and 87.0, 23.4, and 30.8 days (5%), respectively. Supplementing soil with ammonium sulfate (1%) enhanced TPH degradation by Pseudomonas sp. + B. amyloliquefaciens (t1/2–10 days) and A. sydowii (t1/2–12.7 days). All three bio-formulations were effective in degrading TPH (1%), and the t1/2 was 10.7–11.9 days (Pseudomonas sp. + B. amyloliquefaciens and 14–20.2 days (A. sydowii) and were at par with free cultures. Microbial diversity analysis based on taxonomic markers and functional markers suggested that the bioaugmentation process helped keep soil in the active stage and restored the original microbial population to some extent. The present study concluded that bio-formulations of crude oil–degrading microbes can be exploited for its degradation in the contaminated environment.

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Section: Degradation Of Crude Oil By Isolated Bacteria In Mediummentioning

confidence: 89%

Free and Immobilized Microbial Culture–Mediated Crude Oil Degradation and Microbial Diversity Changes Through Taxonomic and Functional Markers in a Sandy Loam Soil

Khandelwal

Sugavanam

Ramakrishnan

et al. 2022

Front. Environ. Sci.

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“…The microbial consortium used for the bioremediation of oil drills contains species of genera Arthrobacter, Dietzia, Halomonas, Marinobacter, Propionibacterium, and Salinimicrobium [174]. An investigation has reported that the microbial consortium prepared from the bacterial cultures Bacillus cereus and Ochrobactrum pseudintermedium was helpful in the remediation of crude oil [175].…”

Section: Remediation Of Xenobiotic Compoundsmentioning

confidence: 99%

Bioremediation— sustainable tool for diverse contaminants management: Current scenario and future aspects

Singh¹,

Jayant²,

Mehra³

et al. 2022

J App Biol biotech

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Bioremediation is well accepted technology for the removal of pollutants produced by the anthropogenic activities and rapid industrialization. Different innovative tools such as microbes could be employed for the bioremediation of toxicity in environment. The microbial based bioremediation is one of the most effective tools due to maximum output, cost-effectiveness, and non-toxic process. Microbes having capability to remediate, habors the different hot spots such as plant microbiomes (epiphytic, endophytic, and rhizospheric), and diverse extreme environments (psychrophilic, thermophilic, xerophilic, halophilic, acidophilic, and alkaliphilic). Microbes are known to degrade the different pollutants including azo dyes, heavy metals, agricultural wastes, pesticides, and polycyclic aromatic hydrocarbons. Thus, utilization of microbes and their consortia is highly accepted and recommended technology for decontamination of environment is a prime concern on account of being eco-friendly, non-hazardous, safe, and costeffective. In the past two decades, there have been recent advances in bioremediation techniques with the ultimate goal to restore polluted environment for better survival of living beings and protecting the sanctity of nature. In the present review, the current scenario of microbial bioremediation of different pollutants is discussed along with factors affecting the bioremediation.

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“…Bioremediation is considered an efficient, costeffective, and eco-friendly method to degrade hydrocarbons in petroleum-contaminated soil and water (Wu et al, 2017;Xu et al, 2018;Bhattacharya et al, 2019;Interiano-López et al, 2019;Yalaoui-Guellal et al, 2020). Biodegradation by indigenous microorganisms is a major mechanism and a reliable method that operates by biologically removing toxic compounds such as hydrocarbons, petroleum, and its derivates (Al-Hawash et al, 2018;Sonwani et al, 2020;Tao et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Motor oil wastewater treatment in a packed bed bioreactor using immobilized native microbial consortium

Houbron¹,

Cruz-Carmona²,

Ponciano-Rosas³

et al. 2021

RMIQ

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Evaluation of a microbial consortium for crude oil spill bioremediation and its potential uses in enhanced oil recovery

Cited by 20 publications

References 41 publications

Free and Immobilized Microbial Culture–Mediated Crude Oil Degradation and Microbial Diversity Changes Through Taxonomic and Functional Markers in a Sandy Loam Soil

Free and Immobilized Microbial Culture–Mediated Crude Oil Degradation and Microbial Diversity Changes Through Taxonomic and Functional Markers in a Sandy Loam Soil

Bioremediation— sustainable tool for diverse contaminants management: Current scenario and future aspects

Motor oil wastewater treatment in a packed bed bioreactor using immobilized native microbial consortium

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