Search results for "Permeable reactive barriers"

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Biological groundwater denitrification systems: Lab-scale trials aimed at nitrous oxide production and emission assessment

2018

Bio-trenches are a sustainable option for treating nitrate contamination in groundwater. However, a possible side effect of this technology is the production of nitrous oxide, a greenhouse gas that can be found both dissolved in the liquid effluent as well as emitted as off gas. The aim of this study was to analyze NO3 − removal and N2O production in lab-scale column trials. The column contained olive nut as organic carbon media. The experimental study was divided into three phases (I, II and III) each characterized by different inlet NO3 − concentrations (30, 50, 75 mg NO3-N L−1 respectively). Sampling ports deployed along the length of the column allowed to observe the denitrification pro…

Environmental EngineeringDenitrificationSettore AGR/13 - Chimica Agrariachemistry.chemical_element010501 environmental sciencesNitrogen cycle01 natural scienceschemistry.chemical_compoundPermeable reactive barriersBiological groundwater denitrificationEnvironmental ChemistryNitriteWaste Management and DisposalEffluentNitrogen cycle0105 earth and related environmental sciencesNitrous oxideSettore ICAR/03 - Ingegneria Sanitaria-AmbientaleBiotrench04 agricultural and veterinary sciencesNitrous oxidePollutionchemistryGreenhouse gasEnvironmental chemistry040103 agronomy & agriculture0401 agriculture forestry and fisheriesEnvironmental scienceCarbonGroundwater

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PEPhysical Sciences and Engineering
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