Potential Environmental Contaminants: Exploring Hydrolyzed Dyes in Household Washing Sources and Electrochemical Degradation.
Electrochemical degradation
Environmental contaminants
Household washing
Hydrolyzed dyes
Reactive dyes
Journal
Bulletin of environmental contamination and toxicology
ISSN: 1432-0800
Titre abrégé: Bull Environ Contam Toxicol
Pays: United States
ID NLM: 0046021
Informations de publication
Date de publication:
31 Oct 2023
31 Oct 2023
Historique:
received:
24
07
2023
accepted:
11
10
2023
medline:
2
11
2023
pubmed:
31
10
2023
entrez:
31
10
2023
Statut:
epublish
Résumé
Reactive dyes are often released into the environment during the washing process due to their susceptibility to hydrolysis. The hydrolysis experiment of a pure reactive dye, red 195 (RR 195), and the washing experiment of RR 195-colored fabrics (CFSCs) were carried out successively to explore the sources of hydrolyzed dyes in the washing microenvironment. Reversed-phase high-performance liquid chromatography (RP-HPLC) was used for the analysis of hydrolysis intermediates and final products of reactive red 195. The experimental results indicated that the structure of the dye washing shed is consistent with the final hydrolysate of reactive red 195, which is the main colored contaminant in washing wastewater. To eliminate the hydrolyzed dyes from the source, an electrochemical degradation device was designed. The degradation parameters, including voltage, electrolyte concentration, and dye shedding concentration are discussed in the electrochemical degradation experiment. The electrochemical degradation device was also successfully implemented and verified in a home washing machine.
Identifiants
pubmed: 37904036
doi: 10.1007/s00128-023-03822-5
pii: 10.1007/s00128-023-03822-5
doi:
Substances chimiques
reactive red 195
0
Coloring Agents
0
Wastewater
0
Azo Compounds
0
Naphthalenesulfonates
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
58Subventions
Organisme : National Natural Science Foundation of Jiangsu Province
ID : BK20200608
Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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