Preparation and Characterization of Carbon Nanotube /Zero Valent Iron Nanocomposite and its Efficiency in Removing Textile Industry Dyes from Aqueous Solutions
SSRN, ISSN: 1556-5068
2023
- 98Usage
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
AbstractsFirst, in this study, zero-valent iron nanoparticles (nZVI) have been modified by multi-walled carbon nanotubes (MWCNT). Then, the physicochemical features of the nZVI@MWCNT nanocomposite have been assessed by XRD, FTIR, FESEM, SEM-EDS and BET analyses. The outcomes of these tests indicated that functional groups and structural features of both nVZI and MWCNT existed in nZVI@MWCNT nanocomposite. Moreover, FESEM results showed the nZVI@MWCNT has a uniform morphology without any defect. After characterisation, the nZVI@MWCNT nanocomposite has been used as a nano- sorbent for the removal of dyeing including RB4, RR46, RY28 and textile wastewater (RWW). For this purpose, pH, temperature, nano-sorbent dosage, dye concentration and time were chosen as operation parameters. Results indicated that 30 min time, pH= 6, 25 C temperature and 4 ppm concentration and 0.2 g nano-sorbent were the optimum conditions for dye removal. In these conditions, the removal efficiency for RB4, RR46, RY28 and RWW was 98%, 94%, 81% and 80%, respectively. Also, the outcomes of thermodynamic, kinetics and isotherm assessment were shown that the dye removal reaction was exothermic, pseudo-first-order and following Freundlich isotherm. Ultimately, according to high removal efficiency and small time of reaction, it can be concluded that the nZVI@MWCNT is a high-performance and efficient nano-sorbent for textile wastewater treatment.
Bibliographic Details
Elsevier BV
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