生态循环产业园混合工业污水处理工程实例
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张洁,郭琳琳,张鹏
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Project case of mixed industrial wastewater treatment in ecological recycling industrial park
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Jie ZHANG,Linlin GUO,Peng ZHANG
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表2 各系统水质监测结果
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Table 2 Monitoring results of water quality of each system
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| 指标 | COD | BOD5 | NH3-N | TN | SS | pH |
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| 渗滤液原液 | 出水 | 60 000 mg/L | 30 000 mg/L | 2 500 mg/L | 3 000 mg/L | 10 000 mg/L | 5~8 | | 格栅/调节池 | 出水 | 60 000 mg/L | 30 000 mg/L | 2 500 mg/L | 3 000 mg/L | 7 000 mg/L | 5~8 | | 去除率 | — | — | — | — | 30% | — | 厌氧系统 （UASB+中沉池） | 出水 | 13 200 mg/L | 5 400 mg/L | 2 500 mg/L | 3 000 mg/L | 2 100 mg/L | 5.5~8 | | 去除率 | 78% | 82% | — | — | 70% | — | MBR系统 （一级A/O） | 进水（混合工业污水） | 11 800 mg/L | 4 650 mg/L | 2 130 mg/L | 2 540 mg/L | 1 650 mg/L | 8~9 | | 产水 | 710 mg/L | 93 mg/L | 11 mg/L | 510 mg/L | 165 mg/L | 7~8 | | 去除率 | 94% | 98% | 99.5% | 80% | 90% | — | MBR系统 （二级A/O+UF） | 混合超越原液（40 t）后 | 3 350 mg/L | 1 450 mg/L | 125 mg/L | 620 mg/L | 470 mg/L | 7~8 | | 产水 | 500 mg/L | 50 mg/L | 10 mg/L | 50 mg/L | 0 | 7~8 | | 去除率 | 85% | 96.5% | 92% | 92% | 100% | — | | 纳滤系统 | 产水 | 90 mg/L | 12.5 mg/L | 10 mg/L | 37.5 mg/L | 0 | 6.5 | | 浓缩液 | 2 940 mg/L | 930 mg/L | 163 mg/L | — | — | 5.6 | | 去除率 | 82% | 75% | — | 25% | 100% | — |
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