Preparation of functional materials based on drinking water treatment residue and their application in pollutants adsorption

LIU Keying; WANG Jingjing; LING Zichen; GONG Xudong; WANG Hong; YANG Donghai; YUAN Shijie; DAI Xiaohu

doi:10.13205/j.hjgc.202504013

Volume 43 Issue 4

Apr. 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(4): 132-142

LIU K Y，WANG J J，LING Z C，et al.Preparation of drinking water treatment residue-based functional materials and their application in pollutant adsorption［J］.Environmental Engineering，2025，43（4）：132-142. doi: 10.13205/j.hjgc.202504013

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Preparation of functional materials based on drinking water treatment residue and their application in pollutants adsorption

doi: 10.13205/j.hjgc.202504013

State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China

Received Date: 2024-10-15
Accepted Date: 2024-12-19
Rev Recd Date: 2024-11-12
Publish Date: 2025-04-01

Abstract

Abstract

With the rapid economic development and accelerated urbanization， the urban water consumption population in China has been continuously increasing. While traditional water treatment processes ensure the safety of drinking water， they also generate tens of millions of cubic meters of drinking water treatment residues （DWTR） annually. Compared to wastewater treatment sludge， the disposal of DWTR has received relatively less attention in research and practice. Therefore， the environmentally friendly treatment and resource utilization of DWTR deserve greater attention. This paper aims to review recent advances in preparation methods of DWTR-based functional materials， analyzes the influence of these methods on their structure and adsorption properties， identifies the sources and mechanisms of their primary adsorption active sites， and discusses the limitations and challenges faced by DWTR-based functional materials for pollutant adsorption. The findings indicated that the inherent inorganic substances， such as Al and Fe， in DWTR not only served as active sites for pollutant adsorption but also provided structural frameworks for the synthesis of composite functional materials， thereby enhancing pollutant adsorption. While techniques such as pyrolysis， activation， and compounding could improve the adsorption performance of DWTR-based functional materials， they also led to increased cost， presenting a big challenge for widespread application. Therefore， this paper proposes to provide guidance for the preparation of DWTR-based functional materials and the optimization of their adsorption properties through life cycle assessment and cost-benefit analysis， integrated with machine learning simulations. Furthermore， future research should aim to expand the scope of targeted pollutants or focus on the high-value recycling of DWTR resources， thereby achieving low-carbon recycling and sustainable utilization of DWTR-based materials in the context of the “Dual Carbon” goals.
- drinking water treatment residue,
- functional materials,
- preparation method,
- adsorption,
- pollutant

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References(72)

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