相关实验视频

Updated: Jul 2, 2026

Use of a Battery of Chemical and Ecotoxicological Methods for the Assessment of the Efficacy of Wastewater Treatment Processes to Remove Estrogenic Potency

Use of a Battery of Chemical and Ecotoxicological Methods for the Assessment of the Efficacy of Wastewater Treatment Processes to Remove Estrogenic Potency

Published on: September 11, 2016

使用纳米层材料处理废水中的咖啡因:对过程动力学,建模和毒性评估的综合研究

Nabila Shehata¹, Fatma I Abo El-Ela², Simranjeet Singh³

¹Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Science (PSAS), Beni-Suef University, P.O. Box 62511, Beni-Suef, Egypt.

Journal of environmental management

|August 19, 2025

概括

水泥粉 (CKD) 有效地从水中去除咖啡因 (CAF). 这种工业废物具有很高的吸附能力和快速平衡,pH值变化对去除过程的影响最小.

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:

咖啡因 (CAF) 是一种常见的水污染物.
工业废物,如水泥炉灰尘 (CKD),存在处理方面的挑战.
开发可持续的污染物清除方法至关重要.

研究的目的:

为了研究加工水泥炉粉尘 (CKD) 从水溶液中去除咖啡因 (CAF) 的功效.
为了优化吸附参数,包括pH值,时间,初始度和CKD剂量.
描述吸附机制和评估CKD在咖啡因吸附前后的细胞毒性.

主要方法:

进行了批量吸附实验,以评估CKD的CAF去除.
吸附参数 (pH,时间,度,剂量) 被系统优化.
使用FTIR,XRD和SEM进行了材料表征.
吸附动力学和异热量是使用各种既有模型建模的.
细胞毒性使用转型人肝上皮细胞-2 (THLE-2) MTT试验进行了评估.

主要成果:

对CKD的CAF吸附在广泛范围 (pH 2-9) 上是pH独立的,并在5分钟内实现了快速平衡.
最大吸附能力达到令人印象深刻的1769.03毫克CAF/g的CKD.
吸附动力学被伪第一和第二阶段模型描述得很好,等温模型显示了高的相关系数.
CKD表现出低细胞毒性 (IC50 = 306.9 μg/mL),在咖啡因吸附后显著降低 (IC50 = 771.1 μg/mL).

结论:

经过加工的水泥粉 (CKD) 是一种高效和高效的吸附剂,可以从水中去除咖啡因 (CAF).
吸附过程是快速的,不依赖pH值,并表现出高容量,使CKD成为一个有前途的可持续吸附剂.
CKD表现出有利的细胞毒性概况,表明在水处理应用中安全重复使用的潜力.

关键词:

吸附方式吸附方式吸附方式咖啡因咖啡因是一种咖啡因.在水泥炉的灰尘.细胞毒性细胞毒性工业废物工业废物纳米层是一种纳米层.水的污染污染水的污染

更多相关视频

Experimental Protocol for Examining Behavioral Response Profiles in Larval Fish: Application to the Neuro-stimulant Caffeine

Experimental Protocol for Examining Behavioral Response Profiles in Larval Fish: Application to the Neuro-stimulant Caffeine

Published on: July 24, 2018

Mesocosm-Scale Constructed Wetland Design for Wastewater Treatment

Mesocosm-Scale Constructed Wetland Design for Wastewater Treatment

Published on: May 2, 2025

相关概念视频

Microbial Wastewater Treatment

Microbial Wastewater Treatment

Microbial communities in aquatic ecosystems play a key role in the natural breakdown of contaminants introduced through domestic and industrial effluents. Acting as biological catalysts, these microbes change and mineralize a wide range of organic and inorganic pollutants under different redox conditions.In oxygen-rich surface waters, aerobic heterotrophs lead organic matter breakdown, using oxygen as the terminal electron acceptor to efficiently oxidize substrates to carbon dioxide and water.

Biological Treatment of Effluent and Waste Water

Biological Treatment of Effluent and Waste Water

Biological wastewater treatment relies on the metabolic activity of microorganisms to remove pollutants from sewage. In modern treatment systems, this process is organized into sequential stages that progressively reduce solid material, dissolved organic matter, and microbial contamination. Each stage plays a distinct role in improving water quality and preparing the effluent for safe discharge or reuse.Primary and Secondary TreatmentPrimary treatment is a physical process that removes large...