一种无隔膜电化学污水处理方法及装置
By using a membrane-free electrochemical method to form a dynamic anodic acidic zone and a cathode alkaline zone over a wide pH range, the problems of narrow pH range and iron sludge precipitation in Fenton oxidation and electro-Fenton methods are solved, enabling efficient catalyst reuse and degradation of recalcitrant organic pollutants.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHONGQING UNIV
- Filing Date
- 2024-12-19
- Publication Date
- 2026-07-17
AI Technical Summary
Existing Fenton oxidation and electro-Fenton methods for treating recalcitrant organic pollutants suffer from problems such as narrow pH range, low reaction efficiency due to electrode concentration polarization, and difficulty in treating iron sludge precipitation, requiring frequent addition of acids and alkalis to adjust the pH value.
Employing a diaphragm-free electrochemical method, this method couples the flow field and electric field to form an acidic anodic region, an alkaline cathodic region, and a metastable metal ion region. It utilizes the electrolysis of water to efficiently catalyze the degradation of organic pollutants over a wide pH range, avoiding the frequent pH adjustments and iron sludge precipitation treatment required in traditional methods.
It achieves highly efficient catalytic degradation over a wide pH range, reduces catalyst usage and treatment costs, improves reaction efficiency, avoids iron sludge formation, and extends membrane lifespan.
Smart Images
Figure CN119569186B_ABST