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有色金属(冶炼部分):2023,(2):94-101
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苹果皮对银离子的吸附行为及其杀菌效果
黄凯1, 朱庆1, 杨旭1, 闫海2
(1.北京科技大学冶金与生态工程学院;2.北京科技大学化学与生物工程学院)
Adsorption of Silver Ions onto Modified Apple Peel and Its Antibacterial Effect
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投稿时间:2022-08-31     修订日期:2022-09-23     录用日期:2022-11-01     网络发布日期:2023-01-09
中文摘要: 将苹果皮制备的吸附材料用于负载银离子,所得载银吸附剂用于杀菌,效果显著。考察了溶液pH、苹果皮粉末颗粒量、接触时间、银离子初始浓度和温度等对其吸附银离子的影响。结果表明,pH在5左右时,吸附效果最佳,吸附容量可达到55 mg/g以上。该吸附负载银离子的苹果皮对芽孢杆菌和大肠杆菌都表现出非常优越的杀菌效果。被负载的银是导致杀菌效果的关键成分,纯粹的苹果皮没有任何杀菌效果。
中文关键词: 生物吸附  银离子  苹果皮  杀菌
Abstract:Apple peel powder was used to prepare the adsorbent for silver ions loading through the adsorption process, and its antibacterial effect was verified effectively. Effects of pH value, dosage of apple peel powder, reaction time, initial concentration of silver ion, and temperature on adsorption efficiency were investigated. The results show that the best adsorption effect is achieved when pH is about 5, and the adsorption capacity can reach more than 55 mg/g. The silver-loaded apple peel particles have excellent antibacterial effect against bacillus and colibacillus that can be used for water purification. The loaded silver is the key ingredient that causes the bactericidal effect, while the pure apple peel does not have any bactericidal effect.
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基金项目:中央高校基本科研业务费资助项目(No.FRF-GF-18-025B)
引用文本:
黄凯,朱庆,杨旭,闫海.苹果皮对银离子的吸附行为及其杀菌效果[J].有色金属(冶炼部分),2023(2):94-101.
HUANG Kai,ZHU Qing,YANG Xu,YAN Hai.Adsorption of Silver Ions onto Modified Apple Peel and Its Antibacterial Effect[J].Nonferrous Metals (Extractive Metallurgy),2023(2):94-101.

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