Azo-Dye-Functionalized Polycarbonate Membranes for Textile Dye and Nitrate Ion Removal.
azo dye
decolorization
dye separation
fabric treatments
flow rate
hysteresis
membrane filtration
pollution
rejection
textile wastewater
Journal
Micromachines
ISSN: 2072-666X
Titre abrégé: Micromachines (Basel)
Pays: Switzerland
ID NLM: 101640903
Informations de publication
Date de publication:
07 Apr 2022
07 Apr 2022
Historique:
received:
13
03
2022
revised:
01
04
2022
accepted:
04
04
2022
entrez:
23
4
2022
pubmed:
24
4
2022
medline:
24
4
2022
Statut:
epublish
Résumé
Challenges exist in the wastewater treatment of dyes produced by the world's growing textiles industry. Common problems facing traditional wastewater treatments include low retention values and breaking the chemical bonds of some dye molecules, which in some cases can release byproducts that can be more harmful than the original dye. This research illustrates that track-etched polycarbonate filtration membranes with 100-nanometer diameter holes can be functionalized with azo dye direct red 80 at 1000 µM, creating a filter that can then be used to remove the entire negatively charged azo dye molecule for a 50 µM solution of the same dye, with a rejection value of 96.4 ± 1.4%, at a stable flow rate of 114 ± 5 µL/min post-functionalization. Post-functionalization, Na
Identifiants
pubmed: 35457883
pii: mi13040577
doi: 10.3390/mi13040577
pmc: PMC9030370
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : National Science Foundation
ID : Award # 1458952
Organisme : WV Higher Education Policy Commission, Division of Science and Research
ID : dsr.20.16
Organisme : NASA West Virginia Space Grant Consortium Fellowship Program
ID : N/A
Organisme : National Science Foundation
ID : Award No. 1828358
Organisme : Marshall University
ID : N/A
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