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环境化学  2015 

β-受体阻断剂在粘土上的吸附行为

Keywords: 吸附,β-受体阻断剂,美托洛尔,普萘洛尔

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Abstract:

主要研究了盐度、pH、溶解性有机质(DOM)对典型β-受体阻断剂(美托洛尔与普萘洛尔)在黏土上吸附行为的影响.结果表明,黏土对上述两种β-受体阻断剂具有较强的吸附能力,吸附系数分别为34.914L·kg-1(美托洛尔)和21.773L·kg-1(普萘洛尔).盐度增大抑制β-受体阻断剂的吸附,两价钙离子的作用大于一价钠离子.pH为碱性,β-受体阻断剂以中性形式存在,吸附较弱;pH过低导致黏土表面带负电荷电位降低,也不利于吸附.DOM的加入促进β-受体阻断剂的吸附,但促进作用随DOM浓度提高而减弱,甚至出现吸附抑制.

References

[1]  戴秋艳.β-受体阻断剂在高血压治疗中的地位[J].世界临床药物.2009,30(10), 597-600
[2]  Bendz D, Paxéus N A, Ginn T R, et al. Occurrence and fate of pharmaceutically active compounds in the environment, a case study:Hje River in Sweden[J].Journal of Hazardous Materials,2005,122:195-204
[3]  Huggett D B,Khania I A,Foran C M.Determination of β-adrenergicreceptor blocking pharmaceuticals in United States waste water effluent[J].Environmental Pollution,2003,121:199 -205
[4]  Stanley J K,Ramirez A J,Mottaleb M,et al. Enantiospecific toxicity of the β-blocker proporanolol to Daphnia magna and Pimephalespromelas[J]. Environmental Toxicology and Chemistry,2006,25:1780-1786
[5]  Maurer M, Escher B I, Richle P,et al.Elimination of β-blockers in sewage treatment plants[J].Water Research,2007,41:1614-1622
[6]  Kibbey T C G,Paruchuri R,Sabatina D A, et al.Adsorption of beta blockers to environmental surfaces[J]. Environmental Science Technology,2007,41:5349-5356
[7]  Niedbala A,Schaffer M, Licha T, et al.Influence of competing inorganic cations on the ion exchange equilibrium of the monovalent organic cation metoprolol on natural sediment[J].Chemosphere,2013,90:1945-1951
[8]  Schwarzenbach R P, Gschwend P M, Imboden D M. Environmental organic chemistry, 2nd ed.[M]. Hoboken, New Jersey: John Wiley & Sons, Inc., 2003: 345
[9]  Escher B I,Bramaz N,Richter M,et al. Comparative eco-toxicological hazard assessment of beta-blockers and their human metabolites using a mode-of-action-based test battery and a QSAR approach[J]. Environmental Science Technology,2006, 40:7402-7408
[10]  Botsoglou N A,Fletouris D J.Drag residues in foods,pharmacology,food safety and analysis[M].New York:Marcei,Dekker Inc.,2001
[11]  Alder C A,Schaffner C,Majewsky M,et al.Fate of β-blocker human pharmaceuticals in surface water: Comparison of measured and simulated concentrations in the Glatt Valley Watershed,Switzerland[J].Water Research,2010,44:936-948
[12]  Andreozzi R, Raffaele M, Nicklas P. Pharmaceuticals in STP efuents and their solar photodegradation in aquatic environment[J]. Chemosphere,2003,50 (10):1319-1330
[13]  Roberts P H,Thomas K V.The occurrence of selected pharmaceuticals in wastewater effluent and surface waters of the lower Tyne catchment[J].Science of the Total Environment,2006,356:143-153
[14]  Cleuvers M.Initial risk assessment for three beta-blockers found in the aquatic environment[J].Chemosphere,2005,59:199-205
[15]  Fent K,Weston A A, Caminada D.Ecotoxicology of human pharmaceuticals[J].Aquatic Toxicology,2006,76:122-159
[16]  Drillia P,Stamatelatou K,Lyberatos G.Fate and mobility of pharmaceuticals in solid matrices[J].Chemosphere,2005,60:1034-1044
[17]  Deng Y,Wu F,Liu B,et al.Sorptive removal of β-blocker propranolol from aqueous solution by modified attapulgite: Effect factors and sorption mechanisms[J].Chemical Engineering Journal,2011
[18]  Schaffer M, Bornick H, Nodler K, et al.Role of cation exchange processes on the sorption influenced transport of cationic β-blockers in aquifer sediments[J].Water Research,2012,46:5472-5482
[19]  Wang L, Sun H, Wu Y, et al.Effect of sorbed nonylphenol on sorption of phenanthrene onto mineral surface, Journal of Hazardous Materials,2009, 161:1461–1465
[20]  Johnson W P,Amy G L. Facilitated transport and enhanced desorption of polycyclic aromatic hydrocarbons by natural organic matter in aquifer sediments[J]. Environmental Science Technology,1995, 29:807-817

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