Experimental study on oil removal performance and anodic dissolution characteristics during the treatment of marine oil spills using electrocoagulation

被引:0
|
作者
Shao, Boyan [1 ,2 ]
Liu, Yang [1 ,2 ]
Jiang, Wenming [1 ,2 ]
Chen, Na [1 ,2 ]
Wang, Jiaqi [1 ,2 ]
Li, Juanjuan [3 ]
机构
[1] China Univ Petr East China, Coll Pipeline & Civil Engn, Qingdao 266580, Peoples R China
[2] Sinopec Petr Engn Corp, Shandong Prov Key Lab Oilfield Produced Water Trea, Dongying 257061, Peoples R China
[3] Drilling & Prod Technol Res Inst Liaohe Oilfield, Panjin, Peoples R China
基金
中国国家自然科学基金;
关键词
Electrocoagulation technology; Oil removal rate; Anodic dissolution rate; 3D laser confocal microscopy; WASTE-WATER TREATMENT; ALUMINUM; DESIGN; ELECTROFLOCCULATION; BEHAVIOR; REACTOR; CELL;
D O I
10.1016/j.jwpe.2024.106432
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
As global demand for oil increases, offshore extraction and transportation activities have become more frequent, leading to a rise in marine oil spill incidents that threaten marine ecosystems. Electrocoagulation technology, known for its efficiency and environmental friendliness, holds potential in treating collected oil-water mixtures during oil spill emergency responses, particularly in controlled environments where the oil has been contained. This study systematically evaluates the oil removal performance and anodic dissolution characteristics of electrocoagulation technology for purifying marine oil spills. The experimental operating parameters ranged from 0.5 A to 1.5 A current, 1.2 L center dot h- 1 to 3.6 L center dot h- 1 flow rate, and 1 cm to 2 cm interelectrode distance. The results indicate that under relatively better operating conditions of 1.0 A current, 1.2 L center dot h- 1 flow rate, and 1 cm interelectrode distance, the oil removal efficiency reaches 90.48 %. The anode dissolution rate is unevenly distributed, with the fastest dissolution occurring in the anode g region, and the dissolution rate increases with the current. Increasing the current inhibits the formation of average pitting depth and expansion of pitting on the anode. This study provides critical data and theoretical support for optimizing the application of electrocoagulation technology for marine oil spill treatment.
引用
收藏
页数:14
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