基于酸盐的新型屏障材料用于环境封闭:合成,表征和污染物去除能力和机制
Banuchandra Nagaraja1, Jagadeesh Kumar Janga1, Sadam Hossain2
1Department of Civil, Materials, and Environmental Engineering, University of Illinois Chicago, 842 West Taylor Street, Chicago, IL, 60607, USA.
Chemosphere
|May 9, 2024
概括
这项研究审查了酸盐-丁酸盐 (CBC),酸盐修改生物炭 (CAB) 和酸盐-丁酸盐-生物炭 (CBBC) 复合物用于污染物清除. 这些新材料为传统屏障材料提供了可持续的替代品.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 纳米技术 纳米技术
背景情况:
- 传统的屏障材料在污染物清除效率和环境影响方面存在局限性.
- 基托桑,托尼特和生物炭具有独特的特性,适合开发先进的吸附复合材料.
- 在环境修复中,对可持续和有效材料的需求越来越大.
研究的目的:
- 批判性地评估基托基复合材料 (CBC,CAB,CBBC) 作为传统屏障材料的替代品.
- 审查这些复合材料的合成,性能和污染物吸附能力.
- 为了确定复合材料的特性如何提高环境应用的污染物去除.
主要方法:
- 进行了全面的文献审查.
- 确定并分析了报告关于酸盐-酸盐复合物 (CBC),酸盐修改生物炭 (CAB) 和酸盐-酸盐-生物炭复合物 (CBBC) 的研究.
- 研究了合成方法,基本特性和吸附能力.
主要成果:
- 由于酸盐的酸性质和本托尼特的阳离子性质,CBC复合物有效吸附着阴离子和阳离子物种 (重金属,染料).
- CAB复合材料为各种污染物提供低成本,高表面积的吸附,利用生物炭的微孔性和酸盐的功能组.
- 虽然CBBC复合材料的研究较少,但结合了这三种材料的优点,可能满足屏障应用的机械和吸附要求.
结论:
- 基于酸盐的复合材料 (CBC,CAB,CBBC) 显示出作为传统屏障材料的有效和可持续替代品的重大承诺.
- 奇托,本托尼特和生物炭的协同组合为广泛的污染物提供了增强的吸附性能.
- 建议对CBBC复合材料进行进一步的研究,以充分利用其在环境修复和屏障材料开发方面的潜力.
相关概念视频
01:24Microbial Corrosion
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
01:24iChip
The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...
01:28Microbial Bioremediation of Plastics
Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...