Articles with "free chlorine" as a keyword



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Free chlorine and phytic acid synergistically inactivated conidia of Aspergillus spp.

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Published in 2019 at "Korean Journal of Chemical Engineering"

DOI: 10.1007/s11814-019-0366-z

Abstract: Chlorination has been widely used to disinfect various microbials in the environment, but its fungicidal activity is known to be limited. Here, we demonstrate that a combinatorial treatment with free chlorine and phytic acid exerted… read more here.

Keywords: phytic acid; free chlorine; acid; conidia ... See more keywords
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The influence of bromide on the degradation of sulfonamides in UV/free chlorine treatment: Degradation mechanism, DBPs formation and toxicity assessment

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.01.079

Abstract: Abstract The degradation of sulfonamides (SAs) in the presence of bromide during the UV/free chlorine process was investigated in this study. The reactions followed pseudo first-order kinetics. With increasing bromide concentrations of 1, 5, 10–20 µM,… read more here.

Keywords: chlorine; formation; toxicity; degradation ... See more keywords
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Effect of oxidant demand on the release and degradation of microcystin-LR from Microcystis aeruginosa during oxidation.

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Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.04.120

Abstract: In this research, the release and degradation of intracellular microcystin-LR (MC-LR) due to oxidation of Microcystis aeruginosa (M. aeruginosa) was examined kinetically. Brief exposure to free chlorine with no measureable oxidant exposure was demonstrated to be… read more here.

Keywords: release degradation; oxidation; free chlorine; microcystis aeruginosa ... See more keywords
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Study of the degradation process of ofloxacin with free chlorine by using ESI-LCMSMS: Kinetic study, by-products formation pathways and fragmentation mechanisms.

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Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.08.171

Abstract: This study was conducted to gain a better understanding of the fate of fluoroquinolone antibacterial ofloxacin (OFX) which is the free available chlorine (FAC) in order to determine its effect during water chlorination process. The… read more here.

Keywords: order; free chlorine; study; process ... See more keywords
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Solar-driven free chlorine advanced oxidation process for simultaneous removal of microcontaminants and microorganisms in natural water at pilot-scale.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.132493

Abstract: Contamination of natural water (NW) by emerging contaminants has been widely pointed out as one of the main challenges to ensure high-quality drinking water. Thus, the effectiveness of a solar-driven free chlorine advanced oxidation process… read more here.

Keywords: free chlorine; water; pilot scale; process ... See more keywords
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Enhanced photoelectrocatalytic breakdown of Cu-cyanide complexes and copper recovery using photoelectrogenerated free chlorine

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Published in 2019 at "Electrochemistry Communications"

DOI: 10.1016/j.elecom.2019.01.018

Abstract: Abstract The breakdown of Cu–cyanide complexes (decomplexation) and recovery of the associated copper was explored using a photoelectrocatalytic treatment incorporating Cl− in the electrolyte (PEC-Cl) and with WO3 as a photoanode. Using the PEC-Cl process,… read more here.

Keywords: copper; cyanide complexes; cyanide; free chlorine ... See more keywords
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Association between bacterial survival and free chlorine concentration during commercial fresh-cut produce wash operation.

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Published in 2018 at "Food microbiology"

DOI: 10.1016/j.fm.2017.09.013

Abstract: Determining the minimal effective free chlorine (FC) concentration for preventing pathogen survival and cross-contamination during produce washing is critical for developing science- and risk-based food safety practices. The correlation between dynamic FC concentrations and bacterial… read more here.

Keywords: bacterial survival; free chlorine; water; concentration ... See more keywords
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A diamino functionalized metal-organic framework for fluorometric recognition of free chlorine in environmental water samples

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110116

Abstract: Abstract Herein, a diamino functionalized highly fluorescent Hf-UiO-66 MOF (UiO stands for University of Oslo) is presented as an excellent free chlorine sensor in aqueous medium by quenching its strong blue emission. The compound retains… read more here.

Keywords: free chlorine; diamino functionalized; recognition free; water samples ... See more keywords
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Utilization of keratin or sericin-based composite in detection of free chlorine in water

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Published in 2020 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2019.127379

Abstract: Abstract Contaminated drinking water in many parts of the world causes acute health dilemma. An easily applicable method to detect this invisible hazard in domestic tap water is of prime importance. In this investigation we… read more here.

Keywords: chlorine water; free chlorine; water; chlorine ... See more keywords
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Tradeoffs between pathogen inactivation and disinfection byproduct formation during sequential chlorine and chloramine disinfection for wastewater reuse.

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Published in 2018 at "Water research"

DOI: 10.1016/j.watres.2018.05.050

Abstract: Treatment of fully nitrified municipal wastewater effluents with chlorine followed by chloramines (i.e., sequential chlorine disinfection) upstream of advanced treatment trains can contribute pathogen inactivation credits for potable reuse while leaving a chloramine residual to… read more here.

Keywords: free chlorine; disinfection; formation; wastewater ... See more keywords
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Reactions of α,β-Unsaturated Carbonyls with Free Chlorine, Free Bromine, and Combined Chlorine.

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Published in 2021 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c07660

Abstract: Chemical disinfectants employed in water and wastewater treatment can produce a variety of transformation products, including carbonyl compounds (e.g., saturated and unsaturated aldehydes and ketones). Experiments conducted under conditions relevant to chlorination at drinking water… read more here.

Keywords: free chlorine; unsaturated carbonyls; chlorine free; combined chlorine ... See more keywords