基于奇托桑的磁性生物吸收剂,用于从废水中去除:吸附性质和机械洞察力
H William Myers1, Bincheng Ma2, Xianfei Wang1
1Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China.
两种新的基托基磁性生物吸收剂有效地从废水中去除. 这些可持续材料具有很高的容量和可重复使用性,为水资源整治提供了有希望的解决方案.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 表面水中的污染对环境构成重大挑战.
- 现有的除策略往往在效率和可持续性方面存在局限性.
- 基于酸盐的材料为开发新型生物吸收剂提供了潜力.
研究的目的:
- 开发和评估两种基于酸盐的新型磁性生物吸收剂 (Ce@mCS和Zr@mCS),以有效地从废水中去除.
- 研究这些生物吸收剂的制造,吸附性能和机制.
- 评估开发的废水整治材料的可持续性和实际适用性.
主要方法:
- 制造含有 (Ce) 和 (Zr) 活性中心的磁性酸盐生物复合材料.
- 使用SEM,XRD,XPS,FTIR和泽塔潜力分析进行表征.
- 批量吸附实验以优化参数并研究吸附动力学和异热量 (应用Langmuir模型).
主要成果:
- 通过材料表征证实了Ce@mCS和Zr@mCS的成功合成.
- 实现了高去除效率:Ce@mCS的88.3%,Zr@mCS的85.7%.
- 最大吸附能力确定为Ce@mCS的62.23 mg/g和Zr@mCS的45.07 mg/g.
- 在5个吸附-脱吸周期中证明了出色的可重复使用性.
- 吸附机制涉及连接体交换,库伦比克吸引力和键.
结论:
- 基于酸盐的磁性生物复合材料 (Ce@mCS和Zr@mCS) 有效地从废水中去除.
- 这些生物吸收剂具有很高的吸附能力,良好的可重复使用性和清晰的吸附机制.
- 该研究强调了定制生物吸收剂在可持续废水整治和管理方面的潜力.
更多相关视频
08:21Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method
Published on: May 18, 2018
08:05Preparation of Chitosan-based Injectable Hydrogels and Its Application in 3D Cell Culture
Published on: September 29, 2017
相关概念视频
The Phosphorus Cycle
Analyte Adsorption and Distribution
Properties of Transition Metals
Physical and Chemical Properties of Matter
Chirality at Nitrogen, Phosphorus, and Sulfur
A consequence of chirality is the need for enantiomeric resolution. While this is theoretically possible for all...
Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
