用奇托修饰的丁酸水凝的制备和表征以及从水溶液中吸附环素的应用
Xuebai Guo1, Zhenjun Wu2,3, Zheng Lu2
1Henan Vocational College of Water Conservancy and Environment, Zhengzhou 450008, China.
Gels (Basel, Switzerland)
|August 28, 2024
概括
球形酸盐改性顿 (SCB) 水凝有效地从水中去除四环素. 这种新型吸附剂为工业废水处理提供了一个有希望的,高效的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 废水中的抗生素污染对环境和健康构成重大风险.
- 开发高效,具有成本效益的吸附剂来去除污染物对于水资源整治至关重要.
- 基托桑修饰的本托尼特水凝具有作为新型吸收材料的潜力.
研究的目的:
- 为了合成和表征球形色素修饰本托尼特 (SCB) 水凝.
- 评估SCB水凝在从水溶液中去除四环素 (TC) 的有效性.
- 研究SCB用于TC去除的吸附机制和热力学特性.
主要方法:
- 索尔凝方法用于合成球形酸盐改性土酸盐 (SCB) 水凝.
- 使用扫描电子显微镜 (SEM),X射线衍射 (XRD),富里埃变换红外光谱 (FTIR),热重力测量分析 (TG) 和布鲁纳尔-埃梅特-泰勒 (BET) 技术进行表征.
- 使用弗洛伊德利希,伪二阶和朗穆尔模型进行吸附研究,以确定吸附动力学和容量.
主要成果:
- SCB 水凝保持了本托尼特的分层中孔结构,其特定表面积减少了.
- 吸附遵循弗洛伊德利希和伪二阶模型,表明化学,非单层吸附过程受到粒子内部扩散的影响.
- 最大单层吸附能力为39.49mg/g,具有自发的,内热的和增加的吸附热力学.
结论:
- SCB 水凝是有效的吸附剂,可以从废水中去除四环素.
- 该材料具有有利的吸附特性和易于固体-液体分离.
- SCB 介绍了一种有前途的新型吸附剂,用于工业规模的抗生素废水处理.
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