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<p>Depleting fossil fuel resources are a major global concern due to reciprocal increase in environmental pollution. Hydrocarbon blend contaminates water ways and aqua channels due to presence of persistent organic pollutants with high COD level. An optimized electro-kinetic process can initiate electro osmosis, electro migration, electro degradation and electrochemical redox reactions in oily wastewater up to a desired precision and under control conditions. A self-cleaning electro-kinetic reactor is fabricated for energy efficient treatment of oily wastewater and recovery of clean water, consequently reducing the effect of oil spills and refineries pollution. The experimental setup was designed with stainless steel cathode and sacrificial aluminum anode for coagulants generation. Anodic depositions were seen to be 12.593&#xa0;g initially and after 16 hr of chemical reaction and drying it decreased to 10.769&#xa0;g. For cathodic deposition, it went from 14.264 to 10.24&#xa0;g. Clean water came out after treatment with a significant low COD, TDS and water hardness. MLVSS has greatly reduced from 104,200 to 46,450 mg/L. This work revealed that anodic and cathodic processes in an electrochemical set up shown here, can successfully perform self-coagulation and self-cleaning function as 89% removal of COD, 64% reduction in the floc size and 92% turbidity removal is obtained here. So, low cost designing of reactor and recovery of clean water with the help of an innovative setup, was successfully achieved in this work. It can be further applied in wastewater treatment sector with improved oil spill management.</p> Graphical abstract <p></p>

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Designing and statistical monitoring of self-cleaning electro-kinetic reactor for treatment of oily wastewater using emerging green technology

  • 期刊论文

  • 发表日期：

    2026年3月2日

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  • Farzeen Sheikh,
  • Farhat Yasmeen,
  • Hamid Raza,
  • Rabia Rehman,
  • Asad Abbas,
  • Aqsa Ahmed,
  • Reem I. Alsantali,
  • Zahrah T. Al-thagafi

摘要

Depleting fossil fuel resources are a major global concern due to reciprocal increase in environmental pollution. Hydrocarbon blend contaminates water ways and aqua channels due to presence of persistent organic pollutants with high COD level. An optimized electro-kinetic process can initiate electro osmosis, electro migration, electro degradation and electrochemical redox reactions in oily wastewater up to a desired precision and under control conditions. A self-cleaning electro-kinetic reactor is fabricated for energy efficient treatment of oily wastewater and recovery of clean water, consequently reducing the effect of oil spills and refineries pollution. The experimental setup was designed with stainless steel cathode and sacrificial aluminum anode for coagulants generation. Anodic depositions were seen to be 12.593 g initially and after 16 hr of chemical reaction and drying it decreased to 10.769 g. For cathodic deposition, it went from 14.264 to 10.24 g. Clean water came out after treatment with a significant low COD, TDS and water hardness. MLVSS has greatly reduced from 104,200 to 46,450 mg/L. This work revealed that anodic and cathodic processes in an electrochemical set up shown here, can successfully perform self-coagulation and self-cleaning function as 89% removal of COD, 64% reduction in the floc size and 92% turbidity removal is obtained here. So, low cost designing of reactor and recovery of clean water with the help of an innovative setup, was successfully achieved in this work. It can be further applied in wastewater treatment sector with improved oil spill management.

Graphical abstract