Fluoride-bearing groundwater in the complex terminal aquifer (a case study in Hassi Messaoud area, southern Algeria): hydrochemical characterization and spatial distribution assessed by indicator kriging

Kechiched, Rabah; Nezli, Imed Eddine; Foufou, Atif; Belksier, Mohamed Salah; Benhamida, Slimane Abdeldjabbar; Djeghoubbi, Rabah; Slamene, Nacereddine; Ameur-Zaimeche, Ouafi

doi:10.1007/s40899-020-00415-6

Cited by 16 publications

(2 citation statements)

References 26 publications

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“…48% and 26% of samples are beyond the prescribed limit of 1.0 mg/l for pre and post-rainy seasons (BIS 2012). The elevated Fconcentration causes fluorosis and its main sources are the fluoride-bearing minerals present in country rock in the area and the suspension of calcium-bearing minerals (Gugulothu 2022b;Kechiched et al 2020). The western and central parts observed high F concentrations with few patches in the eastern and northern parts during the pre-rainy season and the western part in the post-rainy seasons (Fig.…”

Section: Fluoride (F -) and Nitrate (No3 -)mentioning

confidence: 97%

Appraisal of hydrochemistry and non-carcinogenic risk assessment for the distribution of Fluoride and Nitrate in a semi-arid region

Ullengula,

Dhakate,

Gunnam

et al. 2024

Preprint

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Assessment of hydrochemistry, and its impact on human health via ingestion and dermal contact of Fluoride (F−), and Nitrite (NO3−) concentrated groundwater was assessed via ingestion and dermal contact pathways. Sixty-one groundwater samples from a Dilwarpur Mandal, Nirmal district, Telangana State, India were collected and analyzed major ion chemistry for pre and post-rainy seasons from the semi-arid region. The concentration of F− ranged from 0.24–3.28, and 0.08–1.52 mg/l with mean of 1.01, and 0.65 mg/l, around 48%, and 26% of samples exceeded the permissible limits (> 1 mg/l), and NO3− concentration ranges from 3–136, and 6 -132 mg/l with mean of 36 mg/l, and around 34% and 45% of samples exceeded the permissible limits (> 45 mg/l) for both the seasons. Elevated F−, and NO3− concentration due to the dissolution of fluoride-bearing minerals, and excessive use of nitrate fertilizers. Water Quality Index (WQI) ranges from 28–133, and 29–88 for both seasons. Piper plot suggests that CaHCO3 type water with 56% and 51%; Mixed CaMgCl type water with 41% and 49% and Mixed CaNaHCO3 type water with 3% each for both seasons. Gibbs plot suggests that most of the samples are rock dominant type and suggests that the water-rock interaction during the process of percolation water with high evaporation conditions. Principal component Analyses (PCA) suggest that the same factors contribute to an increase in F− and NO3− concentrations in groundwater. Hazard quotient (HQ) via ingestion (HQING) and dermal contact (HQDER) of F− and NO3− experiences higher values than the threshold limit of 1.0 for various age groups, affecting human health due to non-carcinogenic effect, and immediately requires a suitable effective measure should be implemented in the area to avoid further health hazard impact on the existing society and for an upcoming generation.

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Section: Fluoride (F -) and Nitrate (No3 -)mentioning

confidence: 97%

Appraisal of hydrochemistry and non-carcinogenic risk assessment for the distribution of Fluoride and Nitrate in a semi-arid region

Ullengula,

Dhakate,

Gunnam

et al. 2024

Preprint

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“…To resolve this dilemma, several areas in this country are suffering. To have pure water there is no better than solar distillation which is a technique that happens on repair and condensation (Kechiched et al, 2020;. Algeria has a very large energy potential one also has a large quantity of groundwater but unfortunately this polluted water (Pahlavan et al, 2018;.…”

Section: Introductionmentioning

confidence: 99%

Illizi city sand impact on the output of a conventional solar still

et al. 2022

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Lack of drinking water is a global problem and especially in overdeveloped countries. this is why many research laboratories are focused on solving this problem. one of the simplest, economical, and environmental methods is the use of conventional solar stills. Sand from the city of Illizi in southern Algeria was used in our research to see how it affected solar distillation. So, with a dimension of (0.50 x 0.50 m), two identical solar stills were evaluated, one as a solar still reference (SSR) and the other as a solar still modified (SSM). The SSM contains sand. The findings reveal that there is no discernible difference in performance and that the improvement rate is extremely low, at 0.67 %.

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Meta‐analysis and risk assessment of fluoride contamination in groundwater

Islam

Mostafa

2021

Water Environment Research

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This study aimed to carry out a systematic review of meta‐analysis and risk assessment of the global pooled concentration of fluoride and identify the influencing factors of fluoride loads in groundwater. The study extracted data from 36 most prevalent regions of 20 countries in the world through various search engines using keywords as well as Boolean operators and follows the PRISMA statement in every phase of literature searching. The study illustrated the pooled concentration of fluoride in the selected 20 countries was 2.1267 mg/L (1.650, 2.604) at 95% confidence interval, which was higher than the WHO standards limit of 1.5 mg/L. The results of the meta‐analysis suggested that pH, Na, HCO3 and rainfall was significantly positively correlated (r = ~0.4; p ˂ 0.05) to fluoride and has a weak correction with the other parameters such as local temperature, altitude, water depth, EC, Ca, and Mg (r = −0.064 to +0.214; p ˂ 0.05). Concerning, the risk assessment through oral and dermal route exposure revealed that the consumers in most of the regions were at considerable risk, and the children were more vulnerable than the adults (THQ > 1). The study findings would help to take measures for safe water supply in the affected areas. Practitioner points The calculated pooled concentration of fluoride was 2.1267 mg/L (1.650, 2.604) at 95% CI in groundwater of the study areas. Climatic conditions and lithological composition are the key controlling factors for groundwater fluoride contamination. Semi‐arid and arid regions are significantly affected by fluoride rather than humid areas. Regarding fluorosis in selected regions, children (78%) are more vulnerable than adults (23%).

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Fluoride-bearing groundwater in the complex terminal aquifer (a case study in Hassi Messaoud area, southern Algeria): hydrochemical characterization and spatial distribution assessed by indicator kriging

Cited by 16 publications

References 26 publications

Appraisal of hydrochemistry and non-carcinogenic risk assessment for the distribution of Fluoride and Nitrate in a semi-arid region

Appraisal of hydrochemistry and non-carcinogenic risk assessment for the distribution of Fluoride and Nitrate in a semi-arid region

Illizi city sand impact on the output of a conventional solar still

Meta‐analysis and risk assessment of fluoride contamination in groundwater

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