哈密瓜皮生物炭对废水中铀的高效吸附性能研究

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-02-05 DOI:10.1007/s10967-025-10006-4

Chengxin Li, Peihong Mao, Guangwen Feng, Changlong Cai

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引用次数: 0

摘要

研究了哈密瓜皮生物炭（HPBC）对U（VI）的吸附特性。利用扫描电镜（SEM）、红外光谱（FT-IR）和XPS等手段对生物炭的形貌和组成进行了表征。生物炭上的含氧官能团和负电荷官能团与U（VI）络合并发生静电相互作用。通过静态吸附实验，研究了温度、时间、铀浓度等因素对生物炭吸附铀的影响。HPBC对U（VI）具有良好的去除效率（95%），动力学和等温线模型拟合分析表明这是一个单层化学吸附过程。结果表明，哈密瓜皮生物炭是一种有效的生物吸附剂，可用于处理铀废水污染。

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Efficient adsorption properties of uranium from wastewater using biochar derived from Hami-melon peels

The adsorption characteristics of U(VI) by Hami-melon peel biochar (HPBC) were explored. The morphology and composition of the biochar were revealed using SEM, FT-IR and XPS means. oxygenated functional groups and negatively charged groups on biochar were found to complex and electrostatically interact with U(VI). Through static adsorption experiments, the effects of temperature, time, uranium concentration, and other factors on the adsorption of uranium by biochar were studied. HPBC exhibited an excellent removal efficiency (95%) for U(VI), and kinetic and isotherm model fitting analysis indicates that this is a monolayer chemical adsorption process. The results demonstrate that Hami-melon peel biochar is an efficient biosorbent that can be used for the treatment of uranium wastewater pollution.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.