Effect of hydrogen peroxide and ferrous ion on the degradation of 2-Aminopyridine

IF 1.4 Q4 WATER RESOURCES

Journal of Applied Water Engineering and Research Pub Date : 2023-01-02 DOI:10.1080/23249676.2022.2031322

R. Karale, D. V. Wadkar, M. Wagh

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引用次数: 1

Abstract

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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过氧化氢和亚铁离子对2-氨基吡啶降解的影响

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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来源期刊

Journal of Applied Water Engineering and Research WATER RESOURCES-

CiteScore

2.90

自引率

16.70%

发文量

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