相关实验视频

Updated: Jun 25, 2025

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide

Published on: June 28, 2019

可持续的Zn2+去除使用高效,新且具有成本效益的奇托桑-磁性生物炭复合物

Khandgave Santosh Sopanrao¹, Inkollu Sreedhar²

¹Department of Chemical Engineering, Birla Institute of Technology & Science, Pilani Hyderabad Campus, Hyderabad, 500078, India.

Environmental science and pollution research international

|May 21, 2024

概括

一种新型的酸盐-生物炭复合物 (CHB-Fe-CS) 能够有效地从水中去除2+. 这种可持续吸附剂显示出对废水处理应用的高容量和潜力.

科学领域:

环境化学环境化学
材料科学材料科学材料科学
吸附科学吸附科学

背景情况:

重金属污染,特别是Zn2+,对水生生态系统和人类健康构成重大风险.
开发具有成本效益和可持续的吸附剂对于高效的水资源整治至关重要.

研究的目的:

开发和表征一种可持续的酸盐-生物炭复合物 (CHB-Fe-CS) 用于2+的去除.
在各种条件下研究复合物的吸附机制和性能.

主要方法:

从棉花茎残留物中通过热解制备生物炭,然后进行FeCl₃修饰.
复合物形成与基托桑在不同的比例 (1:3, 1:1, 3:1).
批量吸附实验以确定最佳条件和吸附动力学/异热量.

主要成果:

该CHB-Fe-CS (3:1) 复合物表现出高2+吸附能力的117.50毫克/克.
吸附遵循兰格穆尔等温和和伪二次动力学,表明化学吸收.
吸附剂在多个循环中表现出良好的可重复使用性,在8个循环后,吸附效率为51.48%.

结论:

开发的CHB-Fe-CS复合物是一种经济和环保的吸附剂,用于Zn2+的去除.
主要的吸附机制包括离子交换,表面复合和静电吸引.
这种材料显示出在废水处理中有效净化水的前景.

关键词:

标志性描述标志性描述基托桑-生物炭复合物成本分析成本分析均衡和动力学等问题.机理机制机理机制再生再生再生的过程

更多相关视频

A Dual-Functional Electroactive Filter Towards Simultaneously SbIII Oxidation and Sequestration

A Dual-Functional Electroactive Filter Towards Simultaneously SbIII Oxidation and Sequestration

Published on: December 5, 2019

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for CuII Through Microwave Pre-Pyrolysis

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for CuII Through Microwave Pre-Pyrolysis

Published on: February 12, 2019

相关概念视频

Extraction: Advanced Methods

Extraction: Advanced Methods

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...