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Effects of Water Chemistry on Removal of Bisphenol A and 17β-Estradiol Using Single walled Carbon Nanotubes

机译:水化学对单壁碳纳米管去除双酚A和17β-雌二醇的影响

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Single walled carbon nanotubes (SWCNTs) have attracted considerable research interest inrnenvironmental applications due to their unique physicochemical properties. The functionalizationrnof pristine SWCNTs was carried out by acidification. The adsorption of bisphenol A (BPA) andrn17β-estradiol (E2) on pristine and functionalized SWCNTs was investigated. The effects ofrnchange in pH, conductivity, and background ions on adsorption were also studied. The resultsrnindicate that functionalization affects adsorption behavior of ???? by changing surface charge onrnthe SWCNT scaffolds. The change in the bundle size of SWCNTs is another factor that affectsrnadsorption; an insight into the shape and size of the aggregate can help in defining the specificrnadsorption sites. The adsorption of BPA and E2 on SWCNTs was found to be least affected byrnchange in pH, conductivity, and background ions.
机译:单壁碳纳米管(SWCNTs)由于其独特的物理化学特性,在环境应用中引起了相当大的研究兴趣。通过酸化进行功能化的原始SWCNT。研究了双酚A(BPA)和rn17β-雌二醇(E2)在原始和功能化SWCNT上的吸附。还研究了pH,电导率和背景离子的变化对吸附的影响。结果表明,官能化影响α-己内酰胺的吸附行为。通过改变SWCNT支架上的表面电荷。 SWCNTs束尺寸的变化是另一个影响吸附的因素。对聚集体的形状和大小的了解有助于确定特定的吸附位点。发现BPA和E2在SWCNTs上的吸附受pH,电导率和背景离子变化的影响最小。

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