Computational and Kinetics analysis of lead ions removal from industrial wastewater through natural bone powder

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-02-17 DOI:10.1016/j.jtice.2025.106016

Riffat Amna , Reem H. Alzard , Ahmed F․ Faheem , Mohamed Abdellah

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Abstract

Background

This study investigates the use of bone powder, derived from animal bones through high-temperature carbonization, for removing lead ions from wastewater. Bone powder's porous structure and high surface area enhance its adsorption capabilities. The research evaluates the efficiency of bone powder under varying pH conditions using a Computational Fluid Dynamics (CFD) approach to simulate the adsorption process, with a focus on improving lead ion removal in wastewater treatment.

Method

A CFD model was developed and validated with experimental data to simulate the lead ion removal process. Various pH levels were tested to evaluate adsorption efficiency. Isothermal and kinetic analyses were conducted, with the pseudo-second-order model used to explore adsorption mechanisms.

Significant Findings

The highest adsorption occurred at pH 6, with the Jovanovic isotherm model indicating chemisorption as dominant. The pseudo-second-order model suggested both ion exchange and chemisorption, involving electrostatic attraction and chemical bonding. Bone powder proved to be an effective and eco-friendly adsorbent, offering a sustainable solution for wastewater treatment. This study enhances the understanding of adsorption dynamics and offers insights into optimizing adsorption efficiency using bone powder.

Abstract Image

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天然骨粉去除工业废水中铅离子的计算及动力学分析

本研究探讨了用骨粉去除废水中的铅离子，骨粉是通过高温碳化从动物骨骼中提取的。骨粉的多孔结构和高比表面积增强了其吸附能力。该研究利用计算流体动力学（CFD）方法模拟骨粉在不同pH条件下的吸附过程，以提高废水处理中铅离子的去除效果。方法建立模拟铅离子去除过程的CFD模型，并用实验数据进行验证。测试不同pH值的吸附效率。通过等温和动力学分析，采用拟二阶模型探讨吸附机理。重要发现：pH值为6时吸附最高，Jovanovic等温线模型表明化学吸附占主导地位。伪二阶模型暗示了离子交换和化学吸附，包括静电吸引和化学键。骨粉被证明是一种有效的环保吸附剂，为废水处理提供了可持续的解决方案。本研究增强了对骨粉吸附动力学的认识，为优化骨粉吸附效率提供了新的思路。

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.