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从酸性废水中去除U(VI) 通过桃素功能化奇多去除

Haibo Zhang¹, Yingqing Mai¹, Shuibo Xie²

¹School of Civil Engineering, University of South China, Hengyang 421001, China.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

|January 9, 2024

概括

豆素-奇托桑微球 (PT-CS) 有效地从酸性废水中去除U (VI). 本研究提出了一种稳定,选择性和高效的去除方法,证明了工业应用的潜力.

科学领域:

环境化学环境化学
材料科学材料科学材料科学
水处理处理水的方法

背景情况:

酸性废水由于重金属污染,特别是污染,造成环境风险.
开发高效和选择性的吸附剂来去除对于环境修复至关重要.

研究的目的:

为了合成和描述Persimmon素-基托桑微球 (PT-CS) 用于从酸性废水中去除U (VI).
为了研究PT-CS的吸附性能,稳定性和选择性.
探索PT-CS在处理含有的废水中的潜在应用.

主要方法:

使用三聚酸 (STPP) 作为交叉链接剂的PT-CS的水热合成.
批量吸附实验以确定最佳条件 (pH,容量) 和评估选择性.
兰木尔等温和和伪二次运动建模,以了解吸附机制.
频谱分析 (例如,表面复杂化,离子交换) 来确认U(VI) 相互作用.

主要成果:

在pH1.5时,PT-CS表现出最大的U(VI) 吸附,容量为245mg/g.
PT-CS在酸性条件 (pH1) 中表现出高稳定性,并对普通稀土金属离子进行选择性吸附.
吸附遵循兰格穆尔等温和和伪二阶动力学,表明化学吸附.
光谱数据证实了通过表面复杂化和离子交换的U (VI) 吸附.

结论:

PT-CS是一种高效,稳定和选择性的吸附剂,用于从酸性废水中去除U ((VI)).
吸附过程由化学吸附机制控制.
在处理含有的废水方面,PT-CS具有很好的实际应用潜力,提供了一个具有成本效益的解决方案.

关键词:

酸性废水中的酸性废水.吸附方式吸附方式吸附方式在PT-CS中使用.U (((VI) 的意思是说.

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