In situ and laboratory treatment tests for lowering of excess manganese and iron in drinking water sourced from river–groundwater interaction

Yüce, Galip; Alptekin, Candan

doi:10.1007/s12665-013-2343-x

Cited by 10 publications

(5 citation statements)

References 26 publications

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“…Manganese plays defensive roles in cells, provides protection against reactive oxygen species, and also regulates the urea cycle and proper dopamine production [ 14 ]. Tap water sampled from Eskisehir Province in the Central Anatolian Region of Turkey in 2013 had an iron level of 110 µg L −1 and a manganese level of 104 µg L −1 [ 26 ]. These levels were extremely high in comparison to the drinking water analyzed in the present study, in which iron and manganese did not exceed 10 µg L −1 and 7 µg L −1 , respectively.…”

Section: Discussionmentioning

confidence: 99%

Influence of Water Treatment and Wastewater Treatment on the Changes in Residues of Important Elements in Drinking Water

2022

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Drinking water is the essential medium for food production, and is also needed for direct consumption; while it must be free of harmful substances, it also must have a composition that is beneficial to health. The aim of this study was to evaluate the influence of water and wastewater treatment on reducing the concentrations of zinc (Zn), nickel (Ni), iron (Fe), manganese (Mn), copper (Cu), lead (Pb), and arsenic (As) in the Western Pomerania Voivodeship in Poland. The research was carried out in 2017–2019. The analysis was performed with inductively coupled plasma atomic emission spectrophotometry (ICP-AES). The concentrations of trace elements in drinking water were below maximum acceptable concentrations (MACs). Reductions in the most dangerous elements during water treatment fluctuated from 48.5% (As) to 97% (Pb). Wastewater treatment reduced the concentrations of analyzed elements by a range of 28.6 to 60.8%, and the most toxic elements (Pb and As) by over 50%. Trace element concentrations in treated wastewater were below MAC values, and ranged from 1.15% (Pb) to 6.23% (As) of MACs for toxic elements. The concentrations of both essential elements (Zn, Ni, Fe, Mn, Cu) and toxic elements (Pb, As) in drinking water were below the MACs. Water treatment had a significant (p < 0.05) effect on decreasing trace element concentrations.

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Section: Discussionmentioning

confidence: 99%

Influence of Water Treatment and Wastewater Treatment on the Changes in Residues of Important Elements in Drinking Water

2022

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“…Therefore, efficient removal of Fe and Mn has always been a major issue in water treatment. The maximum Fe and Mn levels in drinking water in China are 0.3 and 0.1 mg L –1 , respectively, (GB5749-2006) which are strictly monitored. − …”

Section: Introductionmentioning

confidence: 99%

Rapid Removal and Separation of Iron(II) and Manganese(II) from Micropolluted Water Using Magnetic Graphene Oxide

Yan

Xue

et al. 2014

ACS Appl. Mater. Interfaces

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A novel two-dimensional carbon-based magnetic nanomaterial, magnetic graphene oxide (MGO), was prepared and then used as an efficient adsorbent. MGO showed rapid and complete removal of iron(II) (Fe) and manganese(II) (Mn) from micropolluted water bodies over a wide pH range. After saturated adsorption, MGO could be rapidly separated from water under an external magnetic field. Results of the adsorption equilibrium study indicated that the adsorption of Fe and Mn by MGO took place via monolayer heterogeneous and spontaneous processes resulting from the heterogeneity of the MGO surface as well as from the electrostatic interactions between surface acidic groups of MGO and metal ions. In addition, both the Fe and Mn uptake of MGO was very slightly affected by NaCl, although it decreased with increased humic acid in solutions. In an Fe/Mn binary aqueous system, both metal ions can be efficiently removed at low concentrations, but MGO showed preferential adsorption of Fe in a concentrated aqueous mixture. The adsorption behavior in the binary system was due to different affinities of surface oxygen-containing functional groups on MGO to Fe and Mn. Finally, unlike traditional approaches in recycling and reusing an adsorbent, the Fe- and Mn-loaded MGO can be directly applied as a new adsorbent to achieve the efficient removal of fluoride from aqueous solutions.

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“… a See ref . b See ref . c See ref . d See ref . e See ref . f See ref . g Simple dilutions could bring this sample into the color development range of tannic acid (0–200 μM). …”

Section: Introductionmentioning

confidence: 99%

Physicians as the First Analytical Chemists: Gall Nut Extract Determination of Iron Ion (Fe²⁺) Concentration

et al. 2018

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Many students enroll in college general chemistry with an interest in a medical career. In those (and alternative) careers, they will need to make critical decisions about data and how that data are acquired. A significant portion of introductory lab experiments are, in principle, but not necessarily in practice, devoted to understanding how chemical information is gained and how it is deemed reliable. Here we report on a laboratory experiment that is presented as a guided inquiry investigation grounded in the history of science and the link between early medicine and quantitative data. Oak gall extract is used to quantitatively determine the amount of iron present in a water sample using UV−vis absorbance. In this experiment, students are introduced to the Beer−Lambert law, calibration curves, and the reading of UV−vis spectra

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In situ and laboratory treatment tests for lowering of excess manganese and iron in drinking water sourced from river–groundwater interaction

Cited by 10 publications

References 26 publications

Influence of Water Treatment and Wastewater Treatment on the Changes in Residues of Important Elements in Drinking Water

Influence of Water Treatment and Wastewater Treatment on the Changes in Residues of Important Elements in Drinking Water

Rapid Removal and Separation of Iron(II) and Manganese(II) from Micropolluted Water Using Magnetic Graphene Oxide

Physicians as the First Analytical Chemists: Gall Nut Extract Determination of Iron Ion (Fe²⁺) Concentration

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In situ and laboratory treatment tests for lowering of excess manganese and iron in drinking water sourced from river–groundwater interaction

Cited by 10 publications

References 26 publications

Influence of Water Treatment and Wastewater Treatment on the Changes in Residues of Important Elements in Drinking Water

Influence of Water Treatment and Wastewater Treatment on the Changes in Residues of Important Elements in Drinking Water

Rapid Removal and Separation of Iron(II) and Manganese(II) from Micropolluted Water Using Magnetic Graphene Oxide

Physicians as the First Analytical Chemists: Gall Nut Extract Determination of Iron Ion (Fe2+) Concentration

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Physicians as the First Analytical Chemists: Gall Nut Extract Determination of Iron Ion (Fe²⁺) Concentration