Application and Parameter Optimization of Electro-Kinetic Geosynthetics Electrodes Based on the Wild Horse Optimizer in Horizontal Electric Field Sludge Dewatering

Author:

Shen Yuyang1,Wang Sisi1,Yan Chenling2,Wang Jiazhuo3,Wang Chen3,Zhang Chunyang3,Kou Yingying1,Yuan Donghai1

Affiliation:

1. Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

2. Beijing Key Laboratory of Municipal Solid Waste Detection Analysis and Evaluation, Beijing Municipal Institute of City Management, Beijing 100028, China

3. CAUPD (Beijing) Planning & Design Consultants Co., Ltd., Beijing 100044, China

Abstract

This study systematically compared the performance of five corrosion-resistant electrode materials for electro-dewatering. Through a comprehensive analysis of dewatering efficiency, energy consumption, and corrosion resistance, conductive plastic composite electrodes (EKG) were selected as the optimal electrode material for experimentation. Additionally, the impact of electric field strength and electrode spacing on the efficiency and energy consumption of electro-dewatering (EDW) was investigated. The results showed that the increase in electric field intensity could improve the solid content and dewatering efficiency of the sediments, but the corresponding energy consumption also increased. The increased spacing of the plates reduced the dehydration effect and increased the energy consumption. By employing the Wild Horse Optimization algorithm, empirical and multifactorial response models for the dewatering solidification process were established, aimed at predicting the dewatering performance and energy consumption. The study concludes that for the remediation of heavy metals, the electric field strength should not exceed 10 V/cm to avoid excessive heavy metal migration and potential adverse chemical reactions.

Funder

National Natural Science Foundation of China

Beijing Natural Science Foundation

Beijing Municipal Institutions

Open Research Fund of State Environmental Protection Key Laboratory for Lake Pollution Control

Fundamental Research Funds for the Central Public-interest Scientific Institution

Publisher

MDPI AG

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