Remarkable CWPO of crystal violet dye removal using the fishbone doped of copper synthesized by impregnation method

IF 2.4 Q3 CHEMISTRY, MULTIDISCIPLINARY Moroccan Journal of Chemistry Pub Date : 2021-10-31 DOI:10.48317/IMIST.PRSM/MORJCHEM-V9I3.28836
F. Mejbar, Y. Miyah, A. Lahrichi, S. Ssouni, A. Khalil, L. Nahali, M. Benjelloun, G. E. Mouhri, F. Zerrouq
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引用次数: 3

Abstract

This work aimed to study the remarkable catalytic performance of fishbone (FB) doped copper (Cu) synthesized by the impregnation method for crystal violet (CV) dye’s catalytic wet hydrogen peroxide oxidation (CWPO). The catalysts (x%Cu-FB) prepared were characterized by several techniques such as the X-ray diffraction (XRD), the Fourier transformed infrared spectroscopy (FTIR), the zero point charge measurement (pH zpc ), and the scanning electron microscopy (SEM) coupled by the energy-dispersive X-ray spectroscopy (EDX). In addition, this catalysis (x%Cu-FB) was employed as heterogeneous catalysts for CWPO of crystal violet dye removal using different parameters effects in particular the percentage of metallic precursor Cu, the catalyst amount, the concentration of CV dye, the hydrogen peroxide H 2 O 2 concentration, the temperature, the pH solution. The discolorization rate efficiency was boosted from 98% for 1% Cu-FB after only 35 min of reaction with the optimum conditions namely pH=10, [CV] = 20 mg L -1 , [H 2 O 2 ] =0.048 mol L -1 , W Cu-FB = 2 g L -1 and T=50°C. Finally, it can be seen from this study that the oxidation process by a fishbone catalyst could be economical and effective in removing a large part of the textile pollutants (CV dye) existing in industrial wastewater. The scope of the study makes this method a clean alternative that fits into a perspective of sustainable development.
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浸渍法合成的掺铜鱼骨去除结晶紫染料效果显著的CWPO
本工作旨在研究浸渍法合成的鱼骨(FB)掺杂铜(Cu)对结晶紫(CV)染料催化湿式过氧化氢氧化(CWPO)的显著催化性能。通过x射线衍射(XRD)、傅立叶变换红外光谱(FTIR)、零点电荷测量(pH zpc)和能量色散x射线光谱(EDX)耦合的扫描电子显微镜(SEM)等技术对制备的催化剂(x%Cu-FB)进行了表征。此外,采用该催化剂(x%Cu-FB)作为CWPO去除结晶紫染料的多相催化剂,使用不同的参数影响,特别是金属前体Cu的百分比、催化剂用量、CV染料的浓度、过氧化氢H2 O2浓度、温度、pH溶液。在pH=10,[CV]=20mg L-1,[H2O2]=0.048 mol L-1,W Cu FB=2g L-1和T=50°C的最佳条件下,1%Cu FB的脱色率从98%提高到98%。最后,从本研究中可以看出,鱼骨催化剂的氧化过程可以经济有效地去除工业废水中存在的大部分纺织污染物(CV染料)。研究的范围使这种方法成为一种干净的替代方法,符合可持续发展的观点。
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来源期刊
Moroccan Journal of Chemistry
Moroccan Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
3.40
自引率
9.10%
发文量
0
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