Influence of High Voltage Gradients on Electrokinetic Dewatering for Wenzhou Clay Slurry Improvement


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Laboratory experiments were conducted to examine the feasibility and determine the optimal voltage gradient of electrokinetic consolidation of Wenzhou clay slurry with a small amount of fine sand. During the process of electrokinetic dewatering using high voltage gradients of 0.5-1.25 V/cm, the current, temperature, drainage, evaporated water, and electrolytic water were monitored in real-time. The results showed that a steady current was achieved under relatively lower voltage gradients (0.5 V/cm), while higher voltage gradients (1 V/cm) reduced the drainage time. Voltage gradients greater than 1.0 V/cm had no significant effect on the drainage rate. A greater reduction in temperature was achieved under higher voltage gradients than using lower voltage gradients, and the evaporated water and electrolytic water increased with increasing voltage gradient. Taken together, the results of this study can be used to optimize engineering practices during land reclamation efforts.

作者简介

Hongtao Fu

Wenzhou University; Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation; Innovation Center of Tideland Reclamation and Ecological Protection

Email: sunnystar1980@163.com
中国, Wenzhou; Wenzhou; Wenzhou

Lili Yuan

Jiangxi University of Science and Technology

Email: sunnystar1980@163.com
中国, Ganzhou

Jun Wang

Wenzhou University; Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation; Innovation Center of Tideland Reclamation and Ecological Protection

编辑信件的主要联系方式.
Email: sunnystar1980@163.com
中国, Wenzhou; Wenzhou; Wenzhou

Yuanqiang Cai

Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation; Innovation Center of Tideland Reclamation and Ecological Protection; Zhejiang University; Zhejiang University of Technology

Email: sunnystar1980@163.com
中国, Wenzhou; Wenzhou; Hangzhou; Hangzhou

Xiuqing Hu

Wenzhou University; Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation; Innovation Center of Tideland Reclamation and Ecological Protection

Email: sunnystar1980@163.com
中国, Wenzhou; Wenzhou; Wenzhou

Xueyu Geng

School of Engineering, University of Warwick

Email: sunnystar1980@163.com
英国, Coventry, CV4 7AL

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