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环境化学  2015 

磺胺甲恶唑对磷酸盐在纳米碳管上吸附的影响

Keywords: 磷酸盐,磺胺甲恶唑,纳米碳管,吸附机理

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Abstract:

在不同pH下,以纳米碳管(CNTs)为模型吸附剂,探讨磺胺甲恶唑(SMX)对磷酸盐吸附的影响机理.结果表明,磷酸盐在羧基化纳米碳管(MC)上的吸附明显受pH的控制,低pH下表现为高吸附,高pH下表现为低吸附,静电作用可能是控制磷酸盐吸附的主要机制;SMX的加入降低了CNTs对磷酸盐的吸附,归因于直接的点位竞争;由于SMX和磷酸盐形态的变化,可以通过电荷中和或排斥,改变磷酸盐与CNTs之间的静电作用,导致在不同pH下SMX表现出对磷酸盐不同的竞争能力.

References

[1]  Liang B, Cheng H Y, Kong D Y, et al. Accelerated reduction of chlorinated nitroaromatic antibiotic chloramphenicol by biocathode[J]. Environmental Science & Technology, 2013,47(10):5353-5361
[2]  Seifrtova M, Novakova L, Lino C, et al. An overview of analytical methodologies for the determination of antibiotics in environmental waters[J]. Analytica Chimica Acta, 2009,649(2):158-179
[3]  Avisar D, Lester Y, Ronen D. Sulfamethoxazole contamination of a deep phreatic aquifer[J]. Science of the Total Environment, 2009,407(14):4278-4282
[4]  Kolpin D W, Furlong E T, Meyer M T, et al. Response to comment on "pharmaceuticals, hormones, and other organic wastewater contaminants in US streams, 1999-2000: A national reconnaissance"[J]. Environmental Science & Technology, 2003,37(5):1054-1054
[5]  Tamtam F, Mercier F, Le Bot B, et al. Occurrence and fate of antibiotics in the Seine River in various hydrological conditions[J]. Science of the Total Environment, 2008,393(1):84-95
[6]  Jesus Garcia-Galan M, Silvia Diaz-Cruz M, Barcelo D. Occurrence of sulfonamide residues along the Ebro River basin removal in wastewater treatment plants and environmental impact assessment[J]. Environment International, 2011,37(2):462-473
[7]  Laville N, Ait-Aissa S, Gomez E, et al. Effects of human pharmaceuticals on cytotoxicity, EROD activity and ROS production in fish hepatocytes[J]. Toxicology, 2004,196(1-2):41-55
[8]  Reis P J M, Reis A C, Ricken B, et al. Biodegradation of sulfamethoxazole and other sulfonamides by Achromobacter denitrificans PR1[J]. Journal of Hazardous Materials, 2014,280:741-749
[9]  Wang Z, Yu X, Pan B, et al. Norfloxacin sorption and its thermodynamics on surface-modified carbon nanotubes[J]. Environmental Science & Technology, 2010,44(3):978-984
[10]  Pan B, Xing B. Adsorption mechanisms of organic chemicals on carbon nanotubes[J]. Environmental Science & Technology, 2008,42(24):9005-9013
[11]  Zhang D, Pan B, Wu M, et al. Adsorption of sulfamethoxazole on functionalized carbon nanotubes as affected by cations and anions[J]. Environmental Pollution, 2011,159(10):2616-2621
[12]  严炜, 景传勇. 有机磷阻燃剂在不同含氧碳纳米管上的吸附行为[J]. 环境化学, 2014,33(10):1692-1699
[13]  Cho H H, Smith B A, Wnuk J D, et al. Influence of surface oxides on the adsorption of naphthalene onto multiwalled carbon nanotubes[J]. Environmental Science & Technology, 2008,42(8):2899-2905
[14]  Zhang D, Pan B, Zhang H, et al. Contribution of different sulfamethoxazole species to their overall adsorption on functionalized carbon nanotubes[J]. Environmental Science & Technology, 2010,44(10):3806-3811
[15]  毛真,吴敏,张迪,等. 磺胺甲恶唑在土壤上的吸附及其与Ca2+、Mg2+、Zn2+的共吸附[J]. 环境化学, 2013,32(4):640-645

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