Fingerprinting groundwater salinity sources in the Gulf Coast Aquifer System, USA

Chowdhury, Ali H.; Scanlon, Bridget R.; Reedy, R. C.; Young, S.

doi:10.1007/s10040-017-1619-8

Cited by 25 publications

(11 citation statements)

References 28 publications

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“…The absence of seawater intrusion in the aquifers of the study area was previously confirmed by others (e.g., Chowdhury et al, 2018), and there are no known salt domes within the flow path of the samples collected. The mineralogy of these aquifers is relatively simple, composed of predominantly montmorillonite and quartz with only traces of feldspar and calcite (Sellards et al, 1932).…”

Section: Evidence For a Clay Source For The Excess Na In The Groundwa...supporting

confidence: 83%

Fluvial and Marine Depositional Environments Determined From Groundwater Chemistry and Calculated Clay‐Cation Compositions

Jones

Capuano

2023

Geochem Geophys Geosyst

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Differentiation of a fluvial from a marine depositional environment is essential to understanding the potential hydrocarbon reservoir and source rock characteristics of a sedimentary unit (e.g., Chen et al., 2015;Posamentier & Walker, 2006). Fluvial reservoirs in particular, with their typical meander-belt characteristics, are much less continuous, less laterally extensive, and more compartmentalized than marine reservoirs with their typical sheetlike characteristics (e.g.,

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Section: Evidence For a Clay Source For The Excess Na In The Groundwa...supporting

confidence: 83%

Fluvial and Marine Depositional Environments Determined From Groundwater Chemistry and Calculated Clay‐Cation Compositions

Jones

Capuano

2023

Geochem Geophys Geosyst

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“…Whilst hydrochemical data should be obtained at water point installation, data archiving has been poor and the coordinates of water quality data frequently missing. There has been limited, research, use of hydrochemical-isotopic fingerprint methodologies that may help discriminate salinity origins (Chien and Lautz, 2018;Chowdhury et al, 2018;Eastoe, 2016) and vertical profiling of groundwater salinity variation (Section 3.1.4). Strategic capacity to proactively manage the complexity of groundwater salinity hence lacks.…”

Section: Lack Of Monitoring and Researchmentioning

confidence: 99%

“…Problems are not just restricted to the developing world; mounting pressures exist in the developed world to make greater use of brackish, moderate salinity, groundwater. In the USA, increasing efforts are now made to delineate brackish groundwater resources to strategically deploy desalination systems there to augment drinking-water supplies as freshwater sources become increasingly scarce (Chowdhury et al, 2018). Groundwater salinity is of mounting concern in many semi-arid systems globally (Boukhari et al, 2018;Liu et al, 2018), and may be increasingly exacerbated by the impacts of irrigated agriculture (Foster et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Responding to salinity in a rural African alluvial valley aquifer system: To boldly go beyond the world of hand-pumped groundwater supply?

Rivett

Budimir

Mannix

et al. 2019

Science of The Total Environment

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Highlights  Effective response to developing-world groundwater salinity to safeguard water supply  Salinity problem defined via conceptual model -salinity survey -water-point mapping  Groundwater salinity response capacity constrained in Malawi by multiple factors  Need to evaluate options beyond model-supply paradigm of hand-pumped borehole supply  Feasibility study of larger groundwater or surface-water supply alternatives to boldly go beyond Responding to groundwater salinity in rural African alluvial valley aquifer systems the world of hand-pumped groundwater supply?

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“…The water sources in regions like the Mediterranean coast, Mexican Gulf or California coast start to be depleted by an increasing demand of drinking water, agriculture, or industry use, while the Middle East region, one of the most water-scarce regions of the world, copes with similar water scarcity problems (Water Scarcity, 2019). Consequently, current desalination technologies have a huge impact on society due to the increasing demand of water worldwide (Badiuzzaman et al, 2017;Chowdhury et al, 2018). However, the high energy cost continues to be a major concern, with energy consumption accounting for 75% of the desalination operating costs when excluding capital costs, or 40% including capital costs (Elmekawy et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Comparative Performance of Microbial Desalination Cells Using Air Diffusion and Liquid Cathode Reactions: Study of the Salt Removal and Desalination Efficiency

et al. 2019

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Microbial Desalination Cell (MDC) represents an innovative technology which accomplishes simultaneous desalination and wastewater treatment without external energy input. MDC technology could be employed to provide freshwater with low-energy input, for example, in remote areas where organic wastes (i.e., urban or industrial) are available. In addition, MDC technology has been proposed as pre-treatment in conventional reverse osmosis plants, with the aim of saving energy and avoiding greenhouse gases related to conventional desalination processes. The use of oxygen reduction (i.e. O 2 + 2H 2 O + 4e − → 4 OH − , E 0 ′ = 0.815 V, pH = 7) was usually implemented as cathodic reaction in most of the MDCs reported in literature, whereas other strategies based on liquid catholytes have been also proposed, for example, ferroferricyanide redox couple (i.e. Fe(CN) 3− 6 + 1e − → Fe(CN) 4− 6 , E 0 = 0.37 V). As the MDC designs in the literature and operation modes (i.e., batch, continuous, semi-continuous, etc.) are quite different, the available MDC studies are not directly comparable. For this reason, the main objective of this work was to have a proper comparison of two similar MDCs operating with two different catholyte strategies, and compare performance and desalination efficiencies. In this sense, this study compares the desalination performance of two laboratory-scale MDCs located in two different locations for brackish water and sea water using two different strategies. The first strategy consisted of an air cathode for efficient oxygen reduction, while the second strategy was based on a liquid catholyte with Fe 3+ /Fe 2+ solution (i.e., ferro-ferricyanide complex). Both strategies achieved desalination efficiency above 90% for brackish water. Nominal desalination rates (NDR) were in the range of 0.17-0.14 L•m −2 •h −1 for brackish and seawater with air diffusion cathode MDC, respectively, and 1.5-0.7 L•m −2 •h −1 when using ferro-ferricyanide redox MDC. Organic matter present in wastewater was effectively removed at 0.9 and 1.1 kg COD•m −3 •day −1 using the air diffusion cathode MDC for brackish and Ramírez-Moreno et al.Comparative Performance of Microbial Desalination Cells sea water, respectively, and 7.1 and 19.7 kg COD•m −3 •day −1 with a ferro-ferricyanide redox MDC. Both approaches used a laboratory MDC prototype without any energy supply (excluding pumping energy). Pros and cons of both strategies are discussed for subsequent upscaling of MDC technology.

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Fingerprinting groundwater salinity sources in the Gulf Coast Aquifer System, USA

Cited by 25 publications

References 28 publications

Fluvial and Marine Depositional Environments Determined From Groundwater Chemistry and Calculated Clay‐Cation Compositions

Fluvial and Marine Depositional Environments Determined From Groundwater Chemistry and Calculated Clay‐Cation Compositions

Responding to salinity in a rural African alluvial valley aquifer system: To boldly go beyond the world of hand-pumped groundwater supply?

Comparative Performance of Microbial Desalination Cells Using Air Diffusion and Liquid Cathode Reactions: Study of the Salt Removal and Desalination Efficiency

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