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Linking biofilm spatial structure to real-time microscopic oxygen decay imaging
(2018-02)
Article
Restricted access - publisher's policyTwo non-destructive techniques, confocal laser scanning microscopy (CLSM) and planar optode (VisiSens imaging), were combined to relate the fine-scale spatial structure of biofilm components to real-time images of oxygen ... -
Tracing the role of endogenous carbon in denitrification using wine industry by-product as an external electron donor: coupling isotopic tools with mathematical modeling
(2018-02)
Article
Restricted access - publisher's policyNitrate removal through enhanced biological denitrification (EBD), consisting of the inoculation of an external electron donor, is a feasible solution for the recovery of groundwater quality. In this context, liquid waste ... -
Feasibility of two low-cost organic substrates for inducing denitrification in artificial recharge ponds: batch and flow-through experiments
(2017-03)
Article
Restricted access - publisher's policyAnaerobic batch and flow-through experiments were performed to assess the capacity of two organic substrates to promote denitrification of nitrate-contaminated groundwater within managed artificial recharge systems (MAR) ... -
Elimination of the reaction rate 'scale effect': application of the Lagrangian reactive particle-tracking method to simulate mixing-limited, field-scale biodegradation at the Schoolcraft (MI, USA) site
(2017-12)
Article
Restricted access - publisher's policyMeasured (or empirically fitted) reaction rates at groundwater remediation sites are typically much lower than those found in the same material at the batch or laboratory scale. The reduced rates are commonly attributed ... -
A comparison of Eulerian and Lagrangian transport and non-linear reaction algorithms
(Elsevier, 2017-01)
Article
Restricted access - publisher's policyWhen laboratory-measured chemical reaction rates are used in simulations at the field-scale, the models typically overpredict the apparent reaction rates. The discrepancy is primarily due to poorer mixing of chemically ... -
Revisiting the analytical solution approach to mixing-limited equilibrium multicomponent reactive transport using mixing ratios: identification of basis, fixing an error, and dealing with multiple minerals
(2017-11)
Article
Restricted access - publisher's policyMulticomponent reactive transport involves the solution of a system of nonlinear coupled partial differential equations. A number of methods have been developed to simplify the problem. In the case where all reactions are ... -
A KDE-based random walk method for modeling reactive transport with complex kinetics in porous media
(2017-11)
Article
Restricted access - publisher's policyIn recent years, a large body of the literature has been devoted to study reactive transport of solutes in porous media based on pure Lagrangian formulations. Such approaches have also been extended to accommodate second-order ... -
Stratigraphic and structural controls on groundwater flow in an outcropping fossil fan delta: the case of Sant Llorenç del Munt range (NE Spain)
(2017-12)
Article
Restricted access - publisher's policyHydrogeological models of mountain regions present the opportunity to understand the role of geological factors on groundwater resources. The effects of sedimentary facies and fracture distribution on groundwater flow and ... -
Interaction between physical heterogeneity and microbial processes in subsurface sediments: a laboratory-scale column experiment
(2017-06)
Article
Restricted access - publisher's policyPhysical heterogeneity determines interstitial fluxes in porous media. Nutrients and organic matter distribution in depth influence physicochemical and microbial processes occurring in subsurface. Columns 50 cm long were ... -
Reactive transport modelling of cement-groundwater-rock interaction at the Grimsel Test Site
(2017-06)
Article
Restricted access - publisher's policyAn in situ experiment at the Grimsel Test Site (Switzerland) to study water-cement-rock interaction in fractured granite was modelled. It consisted of a hardened cement source in a borehole intersecting a water conducting ... -
Reactive transport modelling of a high-pH infiltration test in concrete
(2017-06)
Article
Restricted access - publisher's policyA laboratory-scale tracer test was carried out to characterize the transport properties of concrete from the Radioactive Waste Disposal Facility at El Cabril (Spain). A hyperalkaline solution (K-Ca-OH, pH = 13.2) was ... -
Controlling seawater intrusion by treated wastewater recharge. Numerical modelling and cost-benefit analysis (CBA) at Korba case study (Cap Bon, Tunisia)
(2017-05)
Article
Restricted access - publisher's policyTreated wastewater (TWW) reuse for managed aquifer recharge (MAR) is becoming an important measure for integrated water management in areas with water scarcity. Among reuse applications, interest in aquifer recharge to ...
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