过氧化氢和亚铁离子对2-氨基吡啶降解的影响

R. Karale, D. V. Wadkar, M. Wagh
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引用次数: 1

摘要

在饮用水、地表水和地下水中检测到药物化合物2-氨基吡啶。2-氨基吡啶是一种无色固体,用于制造具有剧毒和致癌性的药物磺胺吡啶。其出现在饮用水中需要事先处理才能安全处理。采用Fenton、光Fenton氧化法降解2-氨基吡啶。优化了pH、过氧化氢用量和铁等参数,以有效降解水中的2-氨基吡啶化合物。研究了2-氨基吡啶类药物初始浓度(10 ~ 80)mg/L对降解的影响。初始浓度为10 mg/L、40 mg/L和80 mg/L的药物分别在30 min、45 min和120 min降解100%。在初始给药剂量为10 mg/L、40 mg/L和80 mg/L时,COD去除率分别为94.6%、88.6%和81%。光- fenton氧化增强了降解效果。uv - c辅助光- fenton氧化工艺提高了药物降解和COD的还原效果。
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Effect of hydrogen peroxide and ferrous ion on the degradation of 2-Aminopyridine
Pharmaceutical compounds 2-Aminopyridine were detected in drinking water, surface water, and groundwater. 2-Aminopyridine is a colourless solid used for manufacturing drugs, sulphapyridine which is extremely poisonous and carcinogenic. Its appearance in drinking water needs prior treatment to dispose of safely. Fenton, Photo-Fenton oxidation processes were carried out to degrade 2-Aminopyridine. Parameters like pH, the dosage of Hydrogen peroxide, and Iron are optimized for the effective degradation of a 2-Aminopyridine compound in water. The effect of the initial concentration (10-80) mg/L of a 2-Aminopyridine pharmaceutical compound on degradation was studied. Drug at initial concentration of 10 mg/L, 40 mg/L and 80 mg/L is 100% degraded in 30 mins,45 mins and 120 mins respectively. Similarly, COD removals of 94.6%, 88.6% and 81% were detected at 10 mg/L, 40 mg/L and 80 mg/L of initial drug dosage. The degradation was enhanced by photo-Fenton oxidation. Both the drug degradation and COD reduction were improved by UV-C-assisted photo-Fenton oxidation processes.
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来源期刊
CiteScore
2.90
自引率
16.70%
发文量
31
期刊介绍: JAWER’s paradigm-changing (online only) articles provide directly applicable solutions to water engineering problems within the whole hydrosphere (rivers, lakes groundwater, estuaries, coastal and marine waters) covering areas such as: integrated water resources management and catchment hydraulics hydraulic machinery and structures hydraulics applied to water supply, treatment and drainage systems (including outfalls) water quality, security and governance in an engineering context environmental monitoring maritime hydraulics ecohydraulics flood risk modelling and management water related hazards desalination and re-use.
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