| 引用本文: | 徐勇鹏,赵丽伟,王在刚.高锰酸钾氧化水中恩诺沙星的动力学研究[J].哈尔滨工业大学学报,2013,45(4):44.DOI:10.11918/j.issn.0367-6234.2013.04.008 |
| XU Yongpeng,ZHAO Liwei,WANG Zaigang.Kinetics on enrofloxacin oxidation by potassium permanganate in drinking water[J].Journal of Harbin Institute of Technology,2013,45(4):44.DOI:10.11918/j.issn.0367-6234.2013.04.008 |
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| 高锰酸钾氧化水中恩诺沙星的动力学研究 |
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徐勇鹏1,2, 赵丽伟2,3, 王在刚4
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(1.哈尔滨工业大学 城市水资源开发利用(北方)国家工程研究中心,150090 哈尔滨; 2.哈尔滨工业大学 市政环境工程学院,150090 哈尔滨; 3.中冶南方(武汉)建筑设计咨询有限公司,430077武汉;4.哈尔滨市国际工程咨询中心,150018哈尔滨)
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| 摘要: |
| 为揭示高锰酸钾氧化水中恩诺沙星的动力学规律,通过实验得到高锰酸钾氧化恩诺沙星的反应动力学常数,并考察了高锰酸钾初始浓度、pH、温度等因素对反应动力学常数的影响. 结果表明:高锰酸钾对恩诺沙星的氧化过程符合二级反应动力学模型,且高锰酸钾初始浓度、pH、温度对反应速率常数均有显著影响;随着温度、高锰酸钾浓度增加,反应速率增快;相对于中性条件,高锰酸钾氧化恩诺沙星的反应更容易在酸性和碱性条件下发生．此外,高锰酸钾氧化恩诺沙星的反应表观活化能Ea=53.27 kJ/mol,略低于一般的化学反应,说明该反应在一般水处理条件下较容易发生． |
| 关键词: 恩诺沙星 氧化 高锰酸钾 pH 温度 |
| DOI：10.11918/j.issn.0367-6234.2013.04.008 |
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| 基金项目:国家自然科学基金资助项目(51108118);黑龙江省科技攻关项目(GB07C20202)；黑龙江省留学基金（LC2012C28）. |
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| Kinetics on enrofloxacin oxidation by potassium permanganate in drinking water |
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XU Yongpeng1,2, ZHAO Liwei2,3, WANG Zaigang4
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(1. National Engineer Research Center of Urban Water Resources, Harbin Institute of Technology, 150090 Harbin, China; 2. School of Municipal and Environmental Engineering, Harbin Institute of Technology, 150090 Harbin, China; 3. WISDRI (Wuhan) Architecture Design ＆ Consultation Co., Ltd., 430077 Wuhan, China; 4.Harbin International Engineering Consulting Center, 150018 Harbin, China)
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| Abstract: |
| To expose the kinetic law of enrofloxacin oxidation by potassium permanganate in aquatic environment, the article studied the rate constant of reaction, and simultaneously investigated the reaction influencing factors such as potassium permanganate dosage, pH value and temperature. The results showed that the oxidation reaction of enrofloxacin by potassium permanganate in aqueous solution followed second-order kinetics. The reaction rate constant was observably influenced by the three effect factors. The reaction rate increased with the increasing of temperature and potassium permanganate dosage. Under neutral condition, the reaction is easily conducted at the acidic and basic condition. The reaction activation energy Ea is 53.27 kJ·mol-1,slightly lower than that of the common chemical reaction, which reveals that the oxidation reaction between enrofloxacin and potassium permanganate is feasible under usual water treatment condition. |
| Key words: enrofloxacin oxidation potassium permanganate pH temperature
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