Removal of methyl orange from synthetic wastewater using analcime-C, MCM-41 and γ-Al2O3 composite membranes

IF 0.5 Q4 ENGINEERING, ENVIRONMENTAL
R. Kumar, K. Pakshirajan, G. Pugazhenthi
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引用次数: 2

Abstract

The present study describes the fabrication of analcime-C, MCM-41 and γ-Al2O3 composite membranes and their potential in removal of anionic dye from aqueous solution. The hydrothermal crystallisation technique was employed to deposit the charged inorganic oxides such as analcime-C, MCM-41 and γ-Al2O3 on the low cost ceramic support. The formation and purity of analcime-C, MCM-41 and γ-Al2O3 powders were verified by XRD analysis. The porosity, average pore size and water permeability of analcime-C composite membrane were calculated as 24% (23% and 29% for MCM-41 and γ-Al2O3 composite membrane), 0.155 μm (0.173 and 0.970 μm for MCM-41 and γ-Al2O3 composite membrane) and 4.53 × 10−8 m3/m2s.kPa (6.05 × 10−8 and 8.23 × 10−6 m3/m2s.kPa for MCM-41 and γ-Al2O3 composite membrane), respectively. To identify the effectiveness of the prepared composite membranes, applied pressure of the filtration process and initial dye concentration was varied to study their influence on the permeate flux and percentage of dye removal. The results showed that the percentage of dye removal is found to be reduced while increasing applied pressure for all the membranes. The maximum percentage of methyl orange removal was exhibited as 67% for analcime-C, 44% for MCM-41 and 56% for γ-Al2O3 membrane.
氨肟- c、MCM-41和γ-Al2O3复合膜去除合成废水中的甲基橙
本文介绍了氨酰- c、MCM-41和γ-Al2O3复合膜的制备及其去除水溶液中阴离子染料的潜力。采用水热结晶技术在低成本的陶瓷载体上沉积了带电的无机氧化物(如:c、MCM-41和γ-Al2O3)。通过XRD分析验证了c、MCM-41和γ-Al2O3粉末的形成和纯度。结果表明,复合膜的孔隙率、平均孔径和透水性分别为24% (MCM-41和γ-Al2O3复合膜分别为23%和29%)、0.155 μm (MCM-41和γ-Al2O3复合膜分别为0.173和0.970 μm)和4.53 × 10−8 m3/m2s。kPa (6.05 × 10−8和8.23 × 10−6 m3/m2s)。MCM-41和γ-Al2O3复合膜分别为kPa)。为了验证所制备复合膜的有效性,通过改变过滤过程的施加压力和初始染料浓度来研究它们对渗透通量和染料去除率的影响。结果表明,当增加所有膜的施加压力时,染料去除率降低。对甲基橙的最大去除率分别为:analim - c 67%, MCM-41 44%, γ-Al2O3 56%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
1.00
自引率
0.00%
发文量
66
期刊介绍: IJETM is a refereed and authoritative source of information in the field of environmental technology and management. Together with its sister publications IJEP and IJGEnvI, it provides a comprehensive coverage of environmental issues. It deals with the shorter-term, covering both engineering/technical and management solutions.
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