卡帕里斯果植物和蛋复合吸收剂的潜力,可以有效地从水性介质中去除阴离子染料
Ghulam Mujtaba1, Abdul Hai2, Mansoor Ul Hassan Shah1
1Department of Chemical Engineering, Faculty of Mechanical, Chemical and Industrial Engineering, University of Engineering and Technology, Peshawar, 25120, Pakistan.
Environmental research
|January 21, 2024
概括
来自Capparis decidua和蛋的新型生物吸收剂有效地从废水中去除危险的阳离子染料,如酸盐 (E-102) 和甲基色 (MO). 这种可持续的复合材料为工业废水处理提供了具有成本效益的解决方案.
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:
- 废水中的危险染料对环境构成重大威胁.
- 传统的染料处理方法通常是昂贵和复杂的.
- 开发可持续和高效的染料去除技术至关重要.
研究的目的:
- 为了研究一种可持续的生物吸收复合物从Capparis decidua和蛋.
- 评估其在去除离子染料 (tartrazine/E-102,甲基色/MO) 和其混合物的有效性.
- 为了优化吸附条件并了解吸附机制.
主要方法:
- 从Capparis decidua和蛋制备一种生物吸收复合物.
- 批量吸附实验研究pH,接触时间,初始度,吸附剂剂量和温度的影响.
- 使用兰木尔,弗洛恩德利希,特姆金和雷德利希-彼得森等热模型进行分析.
- 使用伪二阶模型的动力学研究.
主要成果:
- 在pH 3下实现了最佳的染料去除.
- 在80-100分钟内达到吸附平衡.
- 兰迈尔等温和和伪二次运动模型最好地描述了吸附过程.
- 最大吸附能力为50.97毫克/克 (E-102),52.24毫克/克 (MO) 和56.23毫克/克 (混合系统).
- 吸附过程是外热的.
结论:
- 卡帕里斯决定和蛋生物吸收剂是有效的去除阳离子染料.
- 吸附机制涉及物理和化学相互作用.
- 这种生物吸收剂为工业废水处理提供了一个可持续且具有成本效益的替代方案.
相关概念视频
Capillary Electrophoresis: Applications
400
Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
400
Ion Exchange
592
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
592
Colloidal precipitates
583
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
583
Extraction: Advanced Methods
447
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
447


