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Journal articles on the topic 'Bioreactors Bioremediation. Soils'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Mariano, Adriano Pinto, Sérgio Henrique Rezende Crivelaro, Dejanira de Franceschi de Angelis, and Daniel Marcos Bonotto. "The use of vinasse as an amendment to ex-situ bioremediation of soil and groundwater contaminated with diesel oil." Brazilian Archives of Biology and Technology 52, no. 4 (2009): 1043–55. http://dx.doi.org/10.1590/s1516-89132009000400030.

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This work investigated the possibility of using vinasse as an amendment in ex-situ bioremediation processes. Groundwater and soil samples were collected at petrol stations. The soil bioremediation was simulated in Bartha biometer flasks, used to measure the microbial CO2 production, during 48 days, where vinasse was added at a concentration of 33 mL.Kg-1of soil. Biodegradation efficiency was also measured by quantifying the total petroleum hydrocarbons (TPH) by gas chromatography. The groundwater bioremediation was carried out in laboratory experiments simulating aerated (bioreactors) and not

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Robles-González, Ireri V., Fabio Fava, and Héctor M. Poggi-Varaldo. "A review on slurry bioreactors for bioremediation of soils and sediments." Microbial Cell Factories 7, no. 1 (2008): 5. http://dx.doi.org/10.1186/1475-2859-7-5.

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Kalogerakis, Nicolas. "ChemInform Abstract: Ex situ Bioremediation of Contaminated Soils: From Biopiles to Slurry-Phase Bioreactors." ChemInform 43, no. 41 (2012): no. http://dx.doi.org/10.1002/chin.201241276.

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Abdollahinejad, Behnaz, Mahdi Farzadkia, Ahmad Jonidi Jafari, and Ali Esrafili. "Bioremediation of Soils Contaminated with Gasoline in Bioreactors Containing Earthworms Eisenia Fetida and Mixture of Vermicompost and Raw Activated Sludge." Journal of Environmental Health Engineering 7, no. 1 (2019): 53–68. http://dx.doi.org/10.29252/jehe.7.1.53.

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5

Carlier, Jorge Dias, Ana Teresa Luís, Luís Miguel Alexandre, and Maria Clara Costa. "Feasibility of Co-Treating Olive Mill Wastewater and Acid Mine Drainage." Mine Water and the Environment 39, no. 4 (2020): 859–80. http://dx.doi.org/10.1007/s10230-020-00719-1.

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Abstract Previous tests using a growth medium and olive mill wastewater (OMWW) have shown that it supplies carbon and electron donors suitable for sulphate reducing bacteria (SRB). We assessed the co-treatment of acid mine drainage (AMD) and OMWW using SRB-enriched bioreactors and identified the most abundant bacterial populations present under optimized conditions. The process requires a neutralizing agent to create optimal pH conditions for successful removal of the AMD’s main contaminants. Concentrations of SO42−, Al, Fe, Cu, Zn, and Mn decreased to below Portugal’s maximum admissible value

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Bravo, Guillermo, Paulina Vega-Celedón, Juan Carlos Gentina, and Michael Seeger. "Bioremediation by Cupriavidus metallidurans Strain MSR33 of Mercury-Polluted Agricultural Soil in a Rotary Drum Bioreactor and Its Effects on Nitrogen Cycle Microorganisms." Microorganisms 8, no. 12 (2020): 1952. http://dx.doi.org/10.3390/microorganisms8121952.

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Nitrogen cycle microorganisms are essential in agricultural soils and may be affected by mercury pollution. The aims of this study are to evaluate the bioremediation of mercury-polluted agricultural soil using Cupriavidus metallidurans MSR33 in a rotary drum bioreactor (RDB) and to characterize the effects of mercury pollution and bioremediation on nitrogen cycle microorganisms. An agricultural soil was contaminated with mercury (II) (20–30 ppm) and subjected to bioremediation using strain MSR33 in a custom-made RDB. The effects of mercury and bioremediation on nitrogen cycle microorganisms we

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7

Zytner, R. G., A. Salb, T. R. Brook, M. Leunissen, and W. H. Stiver. "Bioremediation of diesel fuel contaminated soil." Canadian Journal of Civil Engineering 28, S1 (2001): 131–40. http://dx.doi.org/10.1139/l00-033.

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Field and laboratory studies were used to study the influence of temperature and O2on the bioremediation of diesel-fuel contaminated soil. Field data were obtained from a landfarm located in Northern Ontario, whereas laboratory experiments were conducted using bioreactors containing diesel-spiked soil and contaminated soil from the field site. Laboratory and field degradation rates were quantified based on changes in the total petroleum hydrocarbons concentration and some individual components, as well as by monitoring O2consumption and CO2evolution. A degradation rate correlation was develope

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8

Baptista, Sandro José, Magali Christe Cammarota, and Denize Dias de Carvalho Freire. "Production of CO2 in crude oil bioremediation in clay soil." Brazilian Archives of Biology and Technology 48, spe (2005): 249–55. http://dx.doi.org/10.1590/s1516-89132005000400031.

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The aim of the present work was to evaluate the biodegradation of petroleum hydrocarbons in clay soil a 45-days experiment. The experiment was conducted using an aerobic fixed bed reactor, containing 300g of contaminated soil at room temperature with an air rate of 6 L/h. The growth medium was supplemented with 2.5% (w/w) (NH4)2SO4 and 0.035% (w/w) KH2PO4. Biodegradation of the crude oil in the contaminated clay soil was monitored by measuring CO2 production and removal of organic matter (OM), oil and grease (OandG), and total petroleum hydrocarbons (TPH), measured before and after the 45-days

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9

Mohajeri, Leila, Hamidi Abdul Aziz, Mohammad Ali Zahed, Soraya Mohajeri, Shamsul Rahman Mohamed Kutty, and Mohamed Hasnain Isa. "Response surface analysis and modeling of n-alkanes removal through bioremediation of weathered crude oil." Water Science and Technology 63, no. 4 (2011): 618–26. http://dx.doi.org/10.2166/wst.2011.211.

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Central composite design (CCD) and response surface methodology (RSM) were employed to optimize four important variables, i.e. amounts of oil, bacterial inoculum, nitrogen and phosphorus, for the removal of selected n-alkanes during bioremediation of weathered crude oil in coastal sediments using laboratory bioreactors over a 60 day experimentation period. The reactors contained 1 kg soil with different oil, microorganisms and nutrients concentrations. The F Value of 26.89 and the probability value (P &lt; 0.0001) demonstrated significance of the regression model. For crude oil concentrati

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10

El Fantroussi, Saïd, Malika Belkacemi, Eva M. Top, Jacques Mahillon, Henry Naveau, and Spiros N. Agathos. "Bioaugmentation of a Soil Bioreactor Designed for Pilot-Scale Anaerobic Bioremediation Studies." Environmental Science & Technology 33, no. 17 (1999): 2992–3001. http://dx.doi.org/10.1021/es981353p.

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11

Farooqi, Asifa, Ghufranud Din, Rameesha Hayat, Malik Badshah, Samiullah Khan, and Aamer Ali Shah. "Characterization of Bacillus nealsonii strain KBH10 capable of reducing aqueous mercury in laboratory-scale reactor." Water Science and Technology 83, no. 9 (2021): 2287–95. http://dx.doi.org/10.2166/wst.2021.122.

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Abstract The environmental release of mercury is continuously increasing with high degree of mobility, transformation and amplified toxicity. Improving remediation strategies is becoming increasingly important to achieve more stringent environmental safety standards. This study develops a laboratory-scale reactor for bioremediation of aqueous mercury using a biofilm-producing bacterial strain, KBH10, isolated from mercury-polluted soil. The strain was found resistant to 80 mg/L of HgCl2 and identified as Bacillus nealsonii via 16S rRNA gene sequence analysis. The strain KBH10 was characterized

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12

Robles-González, Ireri V., Elvira Ríos-Leal, Isabel Sastre-Conde, Fabio Fava, Noemí Rinderknecht-Seijas, and Héctor M. Poggi-Varaldo. "Slurry bioreactors with simultaneous electron acceptors for bioremediation of an agricultural soil polluted with lindane." Process Biochemistry 47, no. 11 (2012): 1640–48. http://dx.doi.org/10.1016/j.procbio.2011.10.013.

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13

Poggi-Varaldo, Hector M., Wendy E. Varo-Arguello, Beni Camacho-Perez, et al. "TRIPHASIC SLURRY BIOREACTORS FOR THE BIOREMEDIATION OF LINDANE-IMPACTED SOIL UNDER AEROBIC AND ANAEROBIC CONDITIONS." Environmental Engineering and Management Journal 11, no. 10 (2012): 1811–23. http://dx.doi.org/10.30638/eemj.2012.226.

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14

Robles-González, I. V., E. Ríos-Leal, J. Galíndez-Mayer, N. Rinderknecht-Seijas, and H. M. Poggi-Varaldo. "Slurry bioreactors with simultaneous electron acceptors for bioremediation of an agricultural soil polluted with lindane." Journal of Biotechnology 150 (November 2010): 49–50. http://dx.doi.org/10.1016/j.jbiotec.2010.08.133.

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15

Lopez-Echartea, Eglantina, Michal Strejcek, Vit Mateju, et al. "Bioremediation of chlorophenol-contaminated sawmill soil using pilot-scale bioreactors under consecutive anaerobic-aerobic conditions." Chemosphere 227 (July 2019): 670–80. http://dx.doi.org/10.1016/j.chemosphere.2019.04.036.

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16

Camacho-Pérez, B., E. Ríos-Leal, F. Esparza-García, J. Barrera-Cortés, F. Fava, and H. M. Poggi-Varaldo. "Bioremediation of an Agricultural Soil Polluted with Lindane in Triphasic, Sequential Methanogenic-Sulfate Reducing Slurry Bioreactors." Journal of Biotechnology 150 (November 2010): 561–62. http://dx.doi.org/10.1016/j.jbiotec.2010.10.023.

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17

Sayed, Khalid, Lavania Baloo, and Naresh Kumar Sharma. "Bioremediation of Total Petroleum Hydrocarbons (TPH) by Bioaugmentation and Biostimulation in Water with Floating Oil Spill Containment Booms as Bioreactor Basin." International Journal of Environmental Research and Public Health 18, no. 5 (2021): 2226. http://dx.doi.org/10.3390/ijerph18052226.

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A crude oil spill is a common issue during offshore oil drilling, transport and transfer to onshore. Second, the production of petroleum refinery effluent is known to cause pollution due to its toxic effluent discharge. Sea habitats and onshore soil biota are affected by total petroleum hydrocarbons (TPH) as a pollutant in their natural environment. Crude oil pollution in seawater, estuaries and beaches requires an efficient process of cleaning. To remove crude oil pollutants from seawater, various physicochemical and biological treatment methods have been applied worldwide. A biological treat

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18

Mendes da Silva Santos, Emília, Isabela Regina Alvares da Silva Lira, Hugo Moraes Meira, et al. "Enhanced Oil Removal by a Non-Toxic Biosurfactant Formulation." Energies 14, no. 2 (2021): 467. http://dx.doi.org/10.3390/en14020467.

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In this study, a new formulation of low-cost, biodegradable, and non-toxic biosurfactant by Candida sphaerica UCP 0995 was investigated. The study was conducted in a bioreactor on an industrial waste-based medium, and a central composite rotatable design was used for optimization. The best results, namely a 25.22 mN/m reduction in surface tension, a biosurfactant yield of 10.0 g/L, and a critical micelle concentration of 0.2 g/L, were achieved in 132 h at an agitation speed of 175 rpm and an aeration rate of 1.5 vvm. Compositional and spectroscopic analyses of the purified biosurfactant by che

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19

Pinelli, D., F. Fava, M. Nocentini, and G. Pasquali. "Bioremediation of a polycyclic aromatic hydrocarbon‐contaminated soil by using different aerobic batch bioreactor systems." Journal of Soil Contamination 6, no. 3 (1997): 243–56. http://dx.doi.org/10.1080/15320389709383563.

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20

LARAIB, QANDEEL, MARYAM SHAFIQUE, NUSRAT JABEEN, et al. "Luffa cylindrica Immobilized with Aspergillus terreus QMS-1: an Efficient and Cost-Effective Strategy for the Removal of Congo Red using Stirred Tank Reactor." Polish Journal of Microbiology 69, no. 2 (2020): 193–203. http://dx.doi.org/10.33073/pjm-2020-022.

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Microbial populations within the rhizosphere have been considered as prosperous repositories with respect to bioremediation aptitude. Among various environmental contaminants, effluent from textile industries holds a huge amount of noxious colored materials having high chemical oxygen demand concentrations causing ecological disturbances. The study was aimed to explore the promising mycobiome of rhizospheric soil for the degradation of azo dyes to develop an efficient system for the exclusion of toxic recalcitrants. An effluent sample from the textile industry and soil samples from the rhizosp

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21

Shine, Harshada, Lalit R. Samant, Vidhita Tulaskar, and Dhanashree Vartak. "ISOLATION OF POTENT HYDROCARBON DEGRADING MICRO-ORGANISMS AND ITS APPLICATION IN BIOREMEDIATION." International Journal of Current Pharmaceutical Research 9, no. 3 (2017): 65. http://dx.doi.org/10.22159/ijcpr.2017.v9i3.18899.

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Objective: Oil spillage has become a global environmental problem as its constituents are toxic, mutagenic and carcinogenic. Natural bioremediation is the only eco-friendly solution to resist its devastating environmental and economic damage. Microbes are used to change harmful substances to non-toxic substances. The current work focuses on the performance of different bacterial species in degrading the oil components like benzene and polycyclic aromatic hydrocarbons (PAH)s.Methods: Sample was collected from different areas affected by the oil spill in Mumbai that is from the shore of Juhu, Da

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22

Rocha, Daniele Leonel da, Eliana Flávia Camporese Servulo, Rodrigo Gouvêa Taketani, Sandy Sampaio Videira, Andrea C. de Lima Rizzo, and Cláudia Duarte da Cunha. "Application of surfactants and biosurfactants in the bioremediation of multi-contaminated soils: microcosms and bench scale bioreactor trials." International Journal of Advanced Engineering Research and Science 6, no. 11 (2019): 91–98. http://dx.doi.org/10.22161/ijaers.611.14.

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23

Brinkmann, Dirk, Joachim Röhrs, and Karl Schügerl. "Bioremediation of Diesel Fuel Contaminated Soil in a Rotating Bioreactor Part I: Influence of Oxygen Saturation." Chemical Engineering & Technology 21, no. 2 (1998): 168–72. http://dx.doi.org/10.1002/(sici)1521-4125(199802)21:2<168::aid-ceat168>3.0.co;2-l.

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24

Brinkmann, Dirk, M. Höfer, Joachim Röhrs, and Karl Schügerl. "Bioremediation of Diesel Fuel Contaminated Soil in a Rotating Bioreactor Part 2. On-line Monitoring of Pollutants." Chemical Engineering & Technology 21, no. 3 (1998): 272–75. http://dx.doi.org/10.1002/(sici)1521-4125(199803)21:3<272::aid-ceat272>3.0.co;2-x.

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25

Sanscartier, David, Ken Reimer, Barbara Zeeb, and Iris Koch. "The Effect of Temperature and Aeration Rate on Bioremediation of Diesel-contaminated Soil in Solid-phase Bench-scale Bioreactors." Soil and Sediment Contamination: An International Journal 20, no. 4 (2011): 353–69. http://dx.doi.org/10.1080/15320383.2011.571311.

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26

Rodríguez-Meza, Miguel A., Benjamín Chávez-Gómez, Héctor M. Poggi-Varaldo, Elvira Ríos-Leal, and Josefina Barrera-Cortés. "Design of a new rotating drum bioreactor operated at atmospheric pressure on the bioremediation of a polluted soil." Bioprocess and Biosystems Engineering 33, no. 5 (2009): 573–82. http://dx.doi.org/10.1007/s00449-009-0383-0.

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27

Taketani, Natália Franco, Rodrigo Gouvêa Taketani, Selma Gomes Ferreira Leite, Andrea Camardella de Lima Rizzo, Siu Mui Tsai, and Cláudia Duarte da Cunha. "The influence of nickel on the bioremediation of multi-component contaminated tropical soil: microcosm and batch bioreactor studies." World Journal of Microbiology and Biotechnology 31, no. 7 (2015): 1127–35. http://dx.doi.org/10.1007/s11274-015-1862-x.

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28

Quintero, Juan Carlos, Thelmo Alejandro Lú-Chau, Maria Teresa Moreira, Gumersindo Feijoo, and Juan M. Lema. "Bioremediation of HCH present in soil by the white-rot fungus Bjerkandera adusta in a slurry batch bioreactor." International Biodeterioration & Biodegradation 60, no. 4 (2007): 319–26. http://dx.doi.org/10.1016/j.ibiod.2007.05.005.

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Balseiro-Romero, María, Carmen Monterroso, Petra S. Kidd, et al. "Modelling the ex situ bioremediation of diesel-contaminated soil in a slurry bioreactor using a hydrocarbon-degrading inoculant." Journal of Environmental Management 246 (September 2019): 840–48. http://dx.doi.org/10.1016/j.jenvman.2019.06.034.

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Thesai, Annadurai Sakthi, Rajalingam Sangeetha, Lakshmanan Ashokkumar, Ramachandran Palanivelan, Sundaram Rajakumar, and Pudukadu Munusamy Ayyasamy. "Evaluation of Cr(VI) Reducing Capability of Shewanella putrefaciens (MTTC8410) and Optimization of Operational Parameters." Journal of Pure and Applied Microbiology 14, no. 4 (2020): 2715–27. http://dx.doi.org/10.22207/jpam.14.4.49.

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Bioremediation is an important technology to remediate the chromium (Cr) contaminated soil and water. In this study, Shewanella putrefaciens (MTTC8410) was used to investigate the influence of carbon concentration, pH, and temperature on reduction of hexavalent chromium [Cr(VI)] into trivalent chromium [Cr(III)]. The increased bacterial growth rate was significantly reduced the Cr(VI) concentration. In batch mode experiments, 1% starch recorded the highest reduction of Cr(VI) (90%) followed by 1% glucose (88% reduction) and a reduction of 77% was by 1% cellulose. By using various pH conditions

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Chen, XinCai, JiYan Shi, YingXu Chen, XiangHua Xu, ShengYou Xu, and YuanPeng Wang. "Tolerance and biosorption of copper and zinc byPseudomonas putidaCZ1 isolated from metal-polluted soil." Canadian Journal of Microbiology 52, no. 4 (2006): 308–16. http://dx.doi.org/10.1139/w05-157.

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A strain of Pseudomonas sp. CZ1, which was isolated from the rhizosphere of Elsholtzia splendens obtained from the heavy-metal-contaminated soil in the north-central region of the Zhejiang province of China, has been studied for tolerance to copper (Cu) and zinc (Zn) and its capacities for biosorption of these metals. Based on 16S ribosomal DNA sequencing, the microorganism was closely related to Pseudomonas putida. It exhibited high minimal inhibitory concentration values (about 3 mmol Cu·L–1and 5 mmol Zn·L–1) for metals and antibiotic resistance to ampicillin but not to kanamycin. Based on t

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Tsipa, Argyro, Constantina K. Varnava, Paola Grenni, Vincenzo Ferrara, and Andrea Pietrelli. "Bio-Electrochemical System Depollution Capabilities and Monitoring Applications: Models, Applicability, Advanced Bio-Based Concept for Predicting Pollutant Degradation and Microbial Growth Kinetics via Gene Regulation Modelling." Processes 9, no. 6 (2021): 1038. http://dx.doi.org/10.3390/pr9061038.

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Microbial fuel cells (MFC) are an emerging technology for waste, wastewater and polluted soil treatment. In this manuscript, pollutants that can be treated using MFC systems producing energy are presented. Furthermore, the applicability of MFC in environmental monitoring is described. Common microbial species used, release of genome sequences, and gene regulation mechanisms, are discussed. However, although scaling-up is the key to improving MFC systems, it is still a difficult challenge. Mathematical models for MFCs are used for their design, control and optimization. Such models representing

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Robles-González, Ireri, Elvira Ríos-Leal, Ronald Ferrera-Cerrato, Fernando Esparza-García, Noemí Rinderkenecht-Seijas, and Héctor M. Poggi-Varaldo. "Bioremediation of a mineral soil with high contents of clay and organic matter contaminated with herbicide 2,4-dichlorophenoxyacetic acid using slurry bioreactors: Effect of electron acceptor and supplementation with an organic carbon source." Process Biochemistry 41, no. 9 (2006): 1951–60. http://dx.doi.org/10.1016/j.procbio.2006.04.004.

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Wu, Yichao, Anee Mohanty, Wu Siang Chia, and Bin Cao. "Influence of 3-Chloroaniline on the Biofilm Lifestyle of Comamonas testosteroni and Its Implications on Bioaugmentation." Applied and Environmental Microbiology 82, no. 14 (2016): 4401–9. http://dx.doi.org/10.1128/aem.00874-16.

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ABSTRACTBioaugmentation has been frequently proposed in wastewater and soil treatment to remove toxic aromatic compounds. The performance of bioaugmentation is affected by a number of biological and environmental factors, including the interaction between the target pollutant and the augmented bacterial cells. In this study, usingComamonas testosteroniand 3-chloroaniline (3-CA) as the model organism and target pollutant, we explored the influence of toxic aromatic pollutants on the biofilm lifestyle of bacteria capable of degrading aromatic compounds toward a better understanding of cell-pollu

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Haroun, EL Mahdi Ahmed, Tisser Khalid, Abdelazim Mohd Altawil, Gammaa A. M. Osman, and Eiman Elrashid Diab. "Potentiality of municipal sludge for biological gas production at Soba Station South of Khartoum (Sudan)." World Journal of Biology and Biotechnology 5, no. 2 (2020): 11. http://dx.doi.org/10.33865/wjb.005.02.0300.

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Biogas production considered the most encouraging sources of renewable energy in Sudan. Anaerobic process of digestion is considered as efficient techniques of producing biogas. The process also a trustworthy method for treatment of municipal wastes, and the digested discharge could be utilized as soil conditioner to improve the productivity. This research work states at the option of using domestic sludge of the wastewater treatment plant in Soba municipal station (south of Khartoum-Sudan) to produce biological gas (biogas). A laboratory investigation was carried out using five-liter bioreact

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Karimi Lotfabad, Soheila, and Murray R. Gray. "Transport and Reaction Processes in Bioremediation of Organic Contaminants. 2. Role of Aggregate Size in Soil Remediation in a Slurry Bioreactor." International Journal of Chemical Reactor Engineering 1, no. 1 (2003). http://dx.doi.org/10.2202/1542-6580.1028.

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Transport processes in the soil matrix can control the rates of bioremediation of low-solubility contaminants. In this study, experiments were designed to test the hypothesis that diffusion of contaminants within soil aggregates of diameter 40 - 1000 micron was the limiting factor in bioremediation of creosote-contaminated soil. The concentrations of 6 different PAHs (acenaphthene, anthracene, chrysene, fluoranthene, phenanthrene, and pyrene) were monitored during the course of bioremediation of sonicated and non-sonicated soil by an active mixed culture in slurry bioreactors. Sonication of th

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Lopes, Jorge Antonio, Graciane Silva, Marcia Marques, and Sérgio Machado Correa. "Bioremediation of clayey soil contaminated with crude oil: comparison of dynamic and static biopiles in lab-scale." Linnaeus Eco-Tech, February 1, 2017. http://dx.doi.org/10.15626/eco-tech.2014.022.

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Bioremediation of aged and newly clayey soil contaminated with crude oil was investigated in lab-scale using two different strategies (biostimulation-BIOS and bioaugmentation-BIOA), also simulating two different technological options: dynamic biopile (M) and static biopile with forced aeration (B). The inoculum used for bioaugmentation was obtained from the aged contaminated soil. The treatments were performed in triplicates and included one control (original contaminated soil-CONT). The treatments were monitored with soil sampling obtained after 0, 24, 59 and 121 days when the populations of

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Tuhuloula, Abubakar. "DISOLVED OXYGEN PERFORMANCE IN DEGRADATION OF TOTAL PETROLEUM HYDROCARBONS BY EX SITE ACTIVATED SLUDGE." Konversi 9, no. 2 (2020). http://dx.doi.org/10.20527/k.v9i2.9308.

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Contamination of soil by the activities of exploration, production and disposal of oil waste into the environment causes serious damage to the environmental ecosystem, the target of processing by the activated sludge as a model for remediation of petroleum contaminated site. Optimization of oxygen supply becomes special attention in aerobic bioprocess for optimizing the growth of microorganisms to degrade total petroleum hydrocarbons. Thus, the study was focused on determining the performance of dissolved oxygen in degradation of total petroleum hydrocarbons by ex situ activated sludge. The re

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"Bioremediation of crude oil-bearing soil: Evaluation of rhamnolipid addition as for the toxicity and crude oil biodegradation efficiency." Issue 2 11, no. 2 (2013): 181–88. http://dx.doi.org/10.30955/gnj.000592.

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This work is aimed at evaluating the potentiality of adding a rhamnolipid biosurfactant in a petroleum-bearing soil. For this purpose, dehydrogenase activity and seed germination (Lactuca sativa) testes were performed before the biodegradation assays with different concentrations of rhamnolipid (1 to 15mg for 1g of soil). The addition of 1 and 15 mg g-1 of rhamnolipid was harmful to the soil environment. The biodegradation assays were carried out at room temperature during 45 days in bioreactors containing 450g of a polluted soil with different rhamnolipid c

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"Bovine Manure as a Rich Source for Isolation of Halo-Tolerant Bacterial Strains Capable of PAHs Biodegradation in Slurry Bioreactor." Biointerface Research in Applied Chemistry 11, no. 6 (2021): 14964–73. http://dx.doi.org/10.33263/briac116.1496414973.

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This study aimed to isolate a bacterial consortium that capable of decomposing PAHs. Three halo-tolerant bacterial strains of Microbacterium paraoxydans B3F (S1), Stenotrophomonas N3 (S2), and Citrobacter NB2 (S3) were isolated from bovine manure. The isolate Microbacterium paraoxydans B3F showed the least resistance to salinity and growth not observed at 2 and 2.5% of NaCl, while isolate Citrobacter NB2 indicated growth in all salinity levels. The PHE biodegradation was more efficient in bacterial consortium compared to pure culture. At the end of the 35th day, the removal efficiency of PHE w

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