natural attenuation
Biodegradation of Soybean and Castor Oil Biodiesel: Implications on the Natural Attenuation of Monoaromatic Hydrocarbons in Groundwater
... of natural degradation processes is similar to that exerted by ethanol, the potential field-scale behavior and inhibitory region of influence of these biofuels could be considerably different because of ...
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Simulation of a surface spill of different dieselbiodiesel mixtures in an ultisol, using natural attenuation and bioaugmentationbiostimulation
... Many classic parameters such as respirometry techniques, most probable number of heterotrophic and biodegrading plate counts, enzyme activity quantification in soils and gas chromatography, may contribute to assess not ...
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Remediation of Caldas site by natural attenuation
... Other studies have shown that the toxicity to benthic organisms does not occur when the concentration of AVS is greater than the sum of simultaneously extracted metals SEM from the sediment. This assumption is based upon ...
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The use of reclaimed wastewater for irrigation purposes: influence on soil capacity for natural attenuation of emerging organic contaminants
... Assim, o principal objetivo desta dissertação foi avaliar a capacidade de degradação natural de, neste caso, três tipos de solo distintos. Um solo com historial de rega com efluente tratado (SE) e com fertilização ...
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BTEX Plume Dynamics Following an Ethanol Blend Release: Geochemical Footprint and Thermodynamic Constraints on Natural Attenuation
... B, T, E, and X were obtained from UST Modified Gasoline Range Organics (Supelco) with following purity degrees: benzene (99.9% purity), ethylbenzene (99.8%), toluene (99.8%), and p-, m-xylene (99%) and o-xylene (99.5%). ...
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Determinação de parâmetros para indicar a atenuação natural de lixiviado de resíduos sólidos por diferentes solos / Determination of parameters to indicate the natural attenuation of leachate from solid waste by different soils
... Mesmo que não seja comum considerar em projeto, em determinados casos, o solo compactado abaixo de um aterro ainda pode ser visto como uma barreira secundária para absorver ou atenuar contaminantes suspensos ou ...
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Development of bioremediation strategies based on the improvement of biomass production from isolated strains in hydrocarbon contaminated soils and their application in bioremediation technologies / Desarrollo de estrategias de biorremediación basadas en la mejora de la producción de biomasa a partir de cepas aisladas en suelos contaminados con hidrocarburos y su aplicación en tecnologías de biorremediación
... monitored natural attenuation (C); (b) biostimulation (B); (c) bioaugmentation (MT1A3); (d) bioaugmentation (Mix); (e) bioaugmentation + biostimulation (MT1A3 + B); (f) bioaugmentation + biostimulation (Mix ...
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INTEGRATION OF GEOELECTRICAL METHODS IN THE DIAGNOSTIC OFA DIESEL CONTAMINATED SITE IN SANTA ERNESTINA (SP)
... ABSTRACT. Hydrocarbons meet more than 50% of world wide demand for industries and main transportation means. Unfortunately, the use of this energetic matrix in large scale is the frequent cause of contamination of soil ...
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Biodiesel presence in the source zone hinders aromatic hydrocarbons attenuation in a B20-contaminated groundwater
... Different biofuels can exhibit distinct dynamics in subsurface envi- ronments due to their different chemical structure and partitioning be- havior. Ethanol is highly soluble and migrates relatively rapidly away from the ...
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ENVIRONMENTAL GEOPHYSICAL DIAGNOSIS OF A CONTAMINATED AREA BY HYDROCARBONS IN A RAILWAY ACCIDENT IN THE MUNICIPALITY OF BOTUCATU - SP
... WEINER JM & LOVLEY DR. 1998. Rapid benzene degradation in methanogenic sediments from a petroleum-contaminated aquifer. Applied and Environmental Microbiology, 64(5): 1937-1939. WIEDEMEIER TH, WILSON JT, KAMPBELL DH, ...
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Int. braz j urol. vol.35 número1
... Materials and Methods: Of 33 angiomyolipomas identiied among 719 renal masses resected from 702 pa- tients over 4 years, 15 masses in 15 patients were prospectively diagnosed on the basis of the presence of fat at MDCT. ...
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Attenuation of low-temperature stress in rice seedlings
... Superoxide dismutase (SOD) activity in the shoots (A) and roots (B) of ‘Irga 424’ and ‘Puita Inta CL’ cultivars, before treatment with the products at low temperature (17 ºC; 7 and 14 d[r] ...
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Believing and perceiving: authorship belief modulates sensory attenuation.
... responses for the 300 ms SOA was calculated separately for each participant, condition and the seven magnitudes of the comparison tone. Psychometric functions were fitted using the Psignifit Toolbox version 2.5.6 for ...
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MULTIPLE ATTENUATION USING COMMON-REFLECTION-SURFACE ATTRIBUTES
... Applied to multicoverage data, the Common-Reflection-Surface (CRS) method obtains, besides a clear stacked section, also a number of traveltime parameters or attributes defined at each point of that section. The CRS ...
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Mat. Res. vol.19 número4
... The bismuth borate glasses are non toxic to environment and can provide alternate to lead free shielding materials. Also these have advantage to conventional shielding materials in terms of their better shielding ...
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ADAPTIVE SIGNAL DECOMPOSITION AND FILTERING USING BINOMIAL FILTERS APPLIED TO THE GROUND-ROLL ATTENUATION
... the attenuation of the ground-roll we propose an adaptive filtering method that uses binomials filters obtained from the convolution of pairs of dipoles (1, c) and (c, ...
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Valores de referência para uma população urbana portuguesa da avaliação quantitativa por ultrasons do calcâneo
... ound Attenuation (BUA), Speed of Sound (SOS), Quantitative Ultrasound Index (QUI) and Estimated Bone Mineral Density (EBMD) were determined for men and women, stratified by their age ...
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USING SVD FILTERS FOR VELOCITY ANALYSIS AND GROUND-ROLL ATTENUATION
... Figure 9 shows the CMP stacked sections for the data from the Tacutu Basin, as well as the original stacked seismic section (Fig. 9a), and the stacked section after the SVD filtering usi[r] ...
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J. Microw. Optoelectron. Electromagn. Appl. vol.11 número2
... rain attenuation in terrestrial links are examined and tested using long-term experimental data obtained from five links converging at a tropical site ...rain attenuation in order to help the development of ...
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Attenuation of self-generated tactile sensations is predictive, not postdictive.
... of attenuation in participants in group B, who experienced taps in the passive finger but never experienced a contact event in the active finger, is an important result for several ...specific attenuation ...
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