The project company is a part of China Sinochem Group, and the wastewater treated is typical difficult to degrade wastewater “Nitrobenzene-Aniline Production Wastewater”. The treatment scale is 300m³/d.
Handling Process
- This project is to optimize and transform the original process. The original process is the “Fenton Oxidation + Contact Oxidation” process, which has problems such as high treatment cost, low operating stability, large dosage, and TN cannot meet the standard.
- The REC team adopted the “Improved Fenton + Bio-Enhancement Biochemical” combined process to achieve stable compliance with the main pollutant indicators of wastewater, while significantly reducing the operating costs of wastewater treatment and achieving a balance between economic and environmental benefits.
Service Achievements
- In case of inlet water CODcr 1500-2000mg/L, Nitrobenzene 100-150mg/L, Chromaticity 600-900 times, TN 800-1200mg/L, the system can treat outlet water with CODcr ≤ 50mg/L, Nitrobenzene ≤ 0.3mg/L, Chromaticity ≤ 30 times, TN ≤ 15mg/L. The cost of wastewater treatment is about 19 rmb/m³.
- Optimization and renovation project in the company’s wastewater to achieve stable standards of treatment at the same time, wastewater treatment operating costs compared with the original process has been reduced by 60%.
Contact Us
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