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Coke Wastewater Treatment
Release Time：2018-06-01
View Count：3373
This is an expansion project of coke plant for Guangdong Shaogang Steel, a subsidiary of Baosteel Group. The designed capacity of WWTP is 1440m3/d. The effluent complies with the discharge limit standard GB16171-2012. It achieves the best treatment effect under the discharge limit.
Influent Wastewater Quality：
| Index | Distillation of Ammonia | Desulfurization Liquid Waste | Coke Processing Waste Water | Other Wastewater |
| pH | 8-11 | 4-11 | 3-8 | 4-9 |
| COD | ≤4500 | 6000-20000 | 25000 | ≤200 |
| Volatile Phenols | ≤1000 | ≤500 | 5000 | ≤100 |
| Cyanide | ≤150 | ≤2000 | ≤100 | ≤10 |
| Ammonia Nitrogen | ≤250 | ≤1200 | ≤100 | ≤100 |
| Sulfide | ≤150 | ≤6000 | ≤100 | ≤50 |
| Oil | ≤300 | ≤500 | ≤1300 | ≤100 |
| Water Volume | 48 | 2 | 4-6 | 4 |
Effluent Water Quality：
| COD | ＜80mg/L | Total Phosphorus | ＜1mg/L | Petroleum | ＜2.5mg/L |
| Volatile Phenols | ＜0.3mg/L | PAH | ＜0.05mg/L | Sulfide | ＜0.5mg/L |
| Cyanide | ＜0.2mg/L | BaP | ＜0.03ug/L | Total Nitrogen | ＜20mg/L |
| Ammonia Nitrogen | ＜0.2mg/L | BOD5 | ＜20mg/L | Benzene | ＜0.1mg/L |
| Suspended Solids | ＜50mg/L | Chroma | ＜50mg/L |
The Process Diagram:
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