Articles with "natural water" as a keyword



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Macroscopic Heterostructure Membrane of Graphene Oxide/Porous Graphene/Graphene Oxide for Selective Separation of Deuterium Water from Natural Water

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202206524

Abstract: Deuterium water (D2O) is a strategic material that is widely used in and scientific research and has applications in fields such as nuclear energy generation. However, its content in natural water is extremely low. Therefore,… read more here.

Keywords: graphene; natural water; water; d2o ... See more keywords
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Simple, insensitive to environmental matrix interferences method of trace cadmium determination in natural water samples

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Published in 2019 at "Ionics"

DOI: 10.1007/s11581-019-02914-9

Abstract: A simple, fast, and inexpensive anodic stripping voltammetric procedure for trace determination of cadmium in natural water samples containing high concentrations of surface-active substances was described. It was proved that interferences from the organic matrix… read more here.

Keywords: trace; determination; water samples; cadmium ... See more keywords
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Development of a portable setup using a miniaturized and high precision colorimeter for the estimation of phosphate in natural water.

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Published in 2019 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.01.030

Abstract: In this work, a high integrated water detection system comprised a miniaturized and high precision homemade colorimeter, a microfluidic analysis module and a wireless module was reported. A reagent reaction based on the ammonium molybdate… read more here.

Keywords: water; colorimeter; high precision; natural water ... See more keywords
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Ferrate(VI) decomposition in water in the absence and presence of natural organic matter (NOM)

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.12.006

Abstract: Abstract The kinetics of ferrate(VI) decomposition in natural water were assessed in the absence and presence of natural organic matter (NOM) (pH = 7.50, [Fe(VI)] = 54 µM, DOC = 0.00–10.00 and 1.00–8.57 mg/L for a simulated natural water and six real natural… read more here.

Keywords: presence; water; nom; natural water ... See more keywords
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Degradation of 2,4-dinitrotoluene using ferrous activated persulfate: Kinetics, mechanisms, and effects of natural water matrices

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Published in 2021 at "Journal of environmental chemical engineering"

DOI: 10.1016/j.jece.2021.106048

Abstract: Abstract The sulfate radicals (SO4•−)-based advanced oxidation process is an efficient way to degrade stubborn pollutants. However, the degradation products of 2,4-dinitrotoluene and the effects of different natural water matrices on 2,4-dinitrotoluene degradation by persulfate/Fe2+… read more here.

Keywords: persulfate; water matrices; natural water; degradation ... See more keywords
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Cu(II)-EDTA removal by a two-step Fe(0) electrocoagulation in near natural water: Sequent transformation and oxidation of EDTA complexes.

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Published in 2020 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2020.122473

Abstract: The widely usage of ethylenediaminetetraacetic acid (EDTA) arises environmental concerns on toxic metal mobilization, and challenges the conventional processes in water treatment. In the study Cu(II)-EDTA in near natural water was efficiently removed during a… read more here.

Keywords: edta; water; two step; transformation ... See more keywords
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On-site detection of nitrate plus nitrite in natural water samples using smartphone-based detection

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Published in 2021 at "Microchemical Journal"

DOI: 10.1016/j.microc.2021.106117

Abstract: Abstract Nitrate plays an important role in the nitrogen cycle and is also a known pollutant of the aquatic ecosystem. Rapid, sensitive, and on-site analysis of nitrate is helpful for biogeochemical study of nitrogen and… read more here.

Keywords: site detection; site; natural water; water samples ... See more keywords
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Photo-mechanism of phenolic pollutants in natural water: Effect of salts

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Published in 2020 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2020.116868

Abstract: Abstract The effect of a natural water matrix on the photodegradation of four phenolic compounds: phenol, 4-chlorophenol, 4-nitrophenol and methyl-p-hydroxybenzoate, has been studied with two commercial TiO2 catalysts with very different physico-chemical properties (Hombikat UV-100… read more here.

Keywords: water; effect; natural water; mechanism phenolic ... See more keywords
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Review of separation methods for the determination of ammonium/ammonia in natural water

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Published in 2020 at "Trends in Environmental Analytical Chemistry"

DOI: 10.1016/j.teac.2020.e00098

Abstract: Abstract Ammonium (NH4+) and ammonia (NH3) in aquatic ecosystems are of great interest to environmental scientists because they can be used to study the nitrogen cycle and as water quality indicators. Analytical separation methods developed… read more here.

Keywords: liquid; separation methods; separation; ammonium ... See more keywords
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Prediction of the adsorption capacities for four typical organic pollutants on activated carbons in natural waters.

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Published in 2017 at "Water research"

DOI: 10.1016/j.watres.2016.12.033

Abstract: A new model is developed to predict the competitive adsorption isotherms of atrazine, methyl tertiary butyl ether (MTBE), 2-methylisoborneol (2-MIB) and 2,4,6-trichlorophenol onto activated carbons (ACs) in natural water. Based on the Polanyi-Dubinin (PD) equation,… read more here.

Keywords: adsorption; water; prediction adsorption; model ... See more keywords
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Antifouling Wood Matrix with Natural Water Transfer and Microreaction Channels for Water Treatment

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Published in 2019 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.8b06060

Abstract: Wood with abundant nutrition transport channels could be considered as a kind of natural water purifier due to quick and effective passages for separation. Nevertheless, microporosity as the main porous structure of initial wood is… read more here.

Keywords: water transfer; water; natural water; wood ... See more keywords