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논문 기본 정보

자료유형
학술저널
저자정보
Kristen Mardenborough (Stony Brook University) Maya Florentino (Stony Brook University) Robert Haxhari (Stony Brook University) Yu-Chung Lin (Stony Brook University) Miriam Rafailovich (Stony Brook University) Gary Halada (Stony Brook University) Hye Jung Jung (Chung-Ang University) Taejin Kim (Stony Brook University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제28권 제2호
발행연도
2023.4
수록면
225 - 235 (11page)

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초록· 키워드

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Synthetic dye removal is a topic of increasing interest as textile recycling has become more popular in industries. While methods involving dye removal from wastewater effluent have been widely studied and reported on, research on decolorization of fabric itself remains quite unknown. In regard to the lack of research, this study presents cotton fabric samples dyed with crystal violet (CV) that were treated with varying concentrations of sodium hydroxide (NaOH). Fabric decolorization was studied using several characterization methods. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and Raman spectroscopy data showed that the cellulose structure remained unchanged after CV and NaOH treatment. Characteristic CV peaks in the FTIR and Raman spectra were apparent only in the control sample, while the spectra of NaOH-treated samples were very similar to that of the cotton fabric. X-ray diffractometry (XRD) data also confirmed that the crystallite size of cellulose was not affected by CV and NaOH treatment. A visible violet hue remained in all NaOH-treated samples, though CV intensity was inversely proportional to NaOH concentration. The L<SUP>*</SUP>a<SUP>*</SUP>b<SUP>*</SUP> values were utilized to complement characterization results. As the concentration of NaOH was increased, the CIELAB parameters aligned more with those of the plain untreated fabric.

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ABSTRACT
1. Introduction
2. Experimental Section
3. Results and Discussion
4. Conclusions
References

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