Relevant bibliographies by topics / Butyl methyl ether In situ bioremediation

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Academic literature on the topic 'Butyl methyl ether In situ bioremediation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Butyl methyl ether In situ bioremediation"

1

Hristova, Krassimira R., Christian M. Lutenegger, and Kate M. Scow. "Detection and Quantification of Methyl tert-Butyl Ether-Degrading Strain PM1 by Real-Time TaqMan PCR." Applied and Environmental Microbiology 67, no. 11 (November 1, 2001): 5154–60. http://dx.doi.org/10.1128/aem.67.11.5154-5160.2001.

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ABSTRACT The fuel oxygenate methyl tert-butyl ether (MTBE), a widely distributed groundwater contaminant, shows potential for treatment by in situ bioremediation. The bacterial strain PM1 rapidly mineralizes and grows on MTBE in laboratory cultures and can degrade the contaminant when inoculated into groundwater or soil microcosms. We applied the TaqMan quantitative PCR method to detect and quantify strain PM1 in laboratory and field samples. Specific primers and probes were designed for the 16S ribosomal DNA region, and specificity of the primers was confirmed with DNA from 15 related bacterial strains. A linear relationship was measured between the threshold fluorescence (C T ) value and the quantity of PM1 DNA or PM1 cell density. The detection limit for PM1 TaqMan assay was 2 PM1 cells/ml in pure culture or 180 PM1 cells/ml in a mixture of PM1 withEscherichia coli cells. We could measure PM1 densities in solution culture, groundwater, and sediment samples spiked with PM1 as well as in groundwater collected from an MTBE bioaugmentation field study. In a microcosm biodegradation study, increases in the population density of PM1 corresponded to the rate of removal of MTBE.
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2

d’Errico, Giada, Veronica Aloj, Valeria Ventorino, Assunta Bottiglieri, Ernesto Comite, Alberto Ritieni, Roberta Marra, et al. "Methyl t-butyl ether-degrading bacteria for bioremediation and biocontrol purposes." PLOS ONE 15, no. 2 (February 21, 2020): e0228936. http://dx.doi.org/10.1371/journal.pone.0228936.

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3

Hu, C., K. Acuna-Askar, and A. J. Englande. "Bioremediation of methyl tertiary-butyl ether (MTBE) by an innovative biofilter." Water Science and Technology 49, no. 1 (January 1, 2004): 87–94. http://dx.doi.org/10.2166/wst.2004.0026.

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Methyl tertiary-butyl ether (MTBE) is a synthetic chemical used in unleaded gasoline as an additive to reduce levels of ozone and carbon monoxide from auto exhaust. Due to its chemical and recalcitrant properties, MTBE has caused groundwater contamination worldwide. A laboratory-scale biofilter made of a natural fiber (kenaf) mat and inoculated with MTBE-degrading microorganisms, was evaluated for MTBE removal efficiency. Operational parameters of oxygen flow rate, hydraulic retention time (HRT), yeast extract and initial MTBE concentration were varied and MTBE removal efficiencies determined. Four kinetic models were evaluated to describe the MTBE removal in the reactor. Formaldehyde and tertiary butyl alcohol (the most two reported MTBE biodegradation byproducts) were not found in the effluent; instead, carbon dioxide was monitored as the end product based on the results of a metabolic mass balance evaluation. Toxicity of treated effluent was evaluated by employing the Microtox acute toxicity test and comparing that to the influent.
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Lalevic, Blazo, Jelena Jovic, Vera Raicevic, Igor Kljujev, Dragan Kikovic, and Saud Hamidovic. "Biodegradation of methyl tert-butyl ether by Kocuria sp." Chemical Industry 66, no. 5 (2012): 717–22. http://dx.doi.org/10.2298/hemind120110019l.

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Methyl tert-butyl ether (MTBE) has been used to replace the toxic compounds from gasoline and to reduce emission of air pollutants. Due to its intensive use, MTBE has become one of the most important environment pollutants. The aim of this paper is isolation and identification of the bacteria from wastewater sample of ?HIP Petrohemija? Pancevo (Serbia), capable of MTBE biodegradation. The results of the investigation showed that only the bacterial isolate 27/1 was capable of growth on MTBE. The result of sequence analyzes of 16S rDNA showed that this bacterial isolate belongs to the Kocuria sp. After the incubation period of 86 days, the degradation rates of initial MTBE concentration of 25 and 125 ?g/ml were 55 and 36%, respectively. These results indicated that bacteria Kocuria sp. is successfully adapted on MTBE and can be potentially used in bioremediation of soils and waters contaminated with MTBE.
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Guisado, I. M., J. Purswani, L. Catón-Alcubierre, J. González-López, and C. Pozo. "Toxicity and biofilm-based selection for methyl tert-butyl ether bioremediation technology." Water Science and Technology 74, no. 12 (October 4, 2016): 2889–97. http://dx.doi.org/10.2166/wst.2016.461.

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Extractive membrane biofilm reactor (EMBFR) technology offers productive solutions for volatile and semi-volatile compound removal from water bodies. In this study, the bacterial strains Paenibacillus etheri SH7T (CECT 8558), Agrobacterium sp. MS2 (CECT 8557) and Rhodococcus ruber strains A5 (CECT 8556), EE6 (CECT 8612) and EE1 (CECT 8555), previously isolated from fuel-contaminated sites, were tested for adherence on tubular semipermeable membranes in laboratory-scale systems designed for methyl tert-butyl ether (MTBE) bioremediation. Biofilm formation on the membrane surface was evaluated through observation by field-emission scanning electron microscope (FESEM) as well as the acute toxicity (as EC50) of the bacterial growth media. Moreover, extracellular polymeric substance (EPS) production for each strain under different MTBE concentrations was measured. Strains A5 and MS2 were biofilm producers and their adherence increased when the MTBE flowed through the inner tubular semipermeable membrane. No biofilm was formed by Paenibacillus etheri SH7T, nevertheless, the latter and strain MS2 exhibited the lowest toxicity after growth on the EMBFR. The results obtained from FESEM and toxicity analysis demonstrate that bacterial strains R. ruber EE6, A5, P. etheri SH7T and Agrobacterium sp. MS2 could be excellent candidates to be used as selective inocula in EMBFR technology for MTBE bioremediation.
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Yousefi, Zabihollah, Zeinab Tahernezhad, Seyed Noroddin Mousavinasab, Reza Safari, and Ahmadreza Bekhradnia. "Bioremediation of methyl tertiary-butyl ether (MTBE) by three pure bacterial cultures." Environmental Health Engineering and Management 5, no. 2 (June 15, 2018): 123–28. http://dx.doi.org/10.15171/ehem.2018.17.

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7

Chen, Colin S., Chien-Jun Tien, and Kai-Van Zhan. "Evaluation of Intrinsic Bioremediation of Methyl Tert-butyl Ether (MTBE) Contaminated Groundwater." Journal of Soil and Groundwater Environment 19, no. 5 (October 31, 2014): 9–17. http://dx.doi.org/10.7857/jsge.2014.19.5.009.

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8

Volpe, Angela, Guido Del Moro, Simona Rossetti, Valter Tandoi, and Antonio Lopez. "Enhanced bioremediation of methyl tert-butyl ether (MTBE) by microbial consortia obtained from contaminated aquifer material." Chemosphere 75, no. 2 (April 2009): 149–55. http://dx.doi.org/10.1016/j.chemosphere.2008.12.053.

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9

Matusiak, Grazyna. "1,3-Dipolar Cycloaddition Reactions of the Ylide Derived from 6-Phenacyl-benzo[f][1,7]naphthyridinium Bromide." Australian Journal of Chemistry 52, no. 2 (1999): 149. http://dx.doi.org/10.1071/c98109.

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The 1,3-dipolar cycloaddition reactions of 4,6-diazaphenanthrene 6-phenacylide formed in situ from the quaternary 6-phenacylbenzo[f][1,7]naphthyridinium bromide in basic medium were examined; methacrylic acid, methyl methacrylate, butyl vinyl ether, methyl vinyl ketone, maleic anhydride and dimethyl acetylenedicarboxylate were used as the dipolarophiles.
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10

Haas, Joseph E., and Donald A. Trego. "A Field Application of Hydrogen-Releasing Compound (HRCTM) for the Enhanced Bioremediation of Methyl Tertiary Butyl Ether (MTBE)." Soil and Sediment Contamination: An International Journal 10, no. 5 (September 2001): 555–75. http://dx.doi.org/10.1080/20015891109437.

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Dissertations / Theses on the topic "Butyl methyl ether In situ bioremediation"

1

Damm, Jochen H. "Transport of the oxidising agent permanganate in the subsurface and the investigation of its potential to degrade methyl tert-butyl ether in-situ." Thesis, Queen's University Belfast, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273080.

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Youngster, Laura K. G. "Microbial degradation of the fuel oxygenate methyl tert-bytyl ether (MTBE)." 2009. http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051982.

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3

Kuo, Yu-chia, and 郭育嘉. "Slowly released, persulfate, methyl tertiary-butyl ether(MTBE), benzene, in-situ oxidative wall." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/t6jxc3.

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碩士
國立中山大學
環境工程研究所
97
Contamination of soil/groundwater supplies by gasoline and other petroleum-derived hydrocarbons released from underground storage tanks (USTs) is a serious and widespread environmental problem. Corrosion, ground movement, and poor sealing can cause leaks in tanks and associated piping. Petroleum hydrocarbons contain methyl tertiary-butyl ether (MTBE) (a fuel oxygenate), benzene, toluene, ethylbenzene, and xylene isomers (BTEX), the major components of gasoline, which are hazardous substances regulated by many nations.The objective of this proposed study is to assess the potential of using a passive in situ oxidation barrier system. This passive active barrier system has advantages over conventional systems including less maintenance, cost-effectiveness, no above-ground facilities, no groundwater pumping and reinjection, and groundwater remediation in situ. The oxidation barrier system included a persulfate-releasing barrier, which contains persulfate-releasing materials. The slow-released persulfate would oxidize MTBE and benzene in aquifer. The persulfate-releasing materials would release persulfate when contacts with groundwater, thus oxidizes the MTBE and benzene. In the first part of this study, bench scale experiment was also performed to produce the persulfate-releasing materials high persulfate-releasing rate. The components of the persulfate-releasing materials and optimal concentrations of those components were determined in this study. Results indicate that the highest persulfate releasing rate can be obtained when the mass ratio of cement/sand/water was 1.4/0/0.7. Result obtained from the persulfate-releasing materials test and bench-scale were used for the design and operation of the following column experiments. Results from the column experiment indicate that approximately 98% of MTBE and 99% of benzene could be removed during the early persulfate-releasing stage. Results also reveal that the produced oxidation byproducts of MTBE, tert-butyl formate (TBF) and tert-butyl alcohol (TBA), can also be produce an acetone. Results from this study suggest that extra Fe(II) would cause the decrease in oxidation rates due to the reaction of sulfate with Fe(II). Results show that the parameters, which would affect the oxidation rate include persulfate concentration, oxidant reduction potential (ORP), conductivity, sulfate concentration, and contaminant concentration. The proposed treatment scheme would be expected to provide a more cost-effective alternative to remediate MTBE and other petroleum-hydrocarbon contaminated aquifers. Knowledge obtained from this study will aid in designing a persulfate oxidation system for site remediation.
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Books on the topic "Butyl methyl ether In situ bioremediation"

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International, In Situ and On-Site Bioremediation Symposium (6th 2001 San Diego Calif ). Bioremediation of MTBE, alcohols, and ethers: The Sixth International In Situ and On-Site Bioremediation Symposium : San Diego, California, June 4-7, 2001. Columbus, Ohio: Battelle Press, 2001.

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2

Azadpour-Keeley, Ann. Envirogen propane biostimulation technology for in-situ treatment of MTBE-contaminated ground water. Cincinnati, Ohio: National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2002.

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3

1953-, Wickramanayake Godage B., and Hinchee Robert E, eds. Natural attenuation: Chlorinated and recalcitrant compounds. Columbus, Ohio: Battelle Press, 1998.

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4

Calif.) International In Situ and On-Site Bioremediation Symposium (6th : 2001 : San Diego. Bioremediation of Mtbe, Alcohols, and Ethers: The Sixth International in Situ and On-Site Bioremediation Symposium : San Diego, California, June 4-7, 2001 ... / United States Catholic Conference). Battelle Press, 2001.

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5

R, Guertal William, United States Air Force, Dover Air Force Base (Del.), and Geological Survey (U.S.), eds. Analytical results from ground-water sampling using a direct-push technique at the Dover National Test Site, Dover Air Force Base, Delaware, June-July 2001. Baltimore, Md: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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