| 生化与Fenton氧化工艺处理焦化废水工艺条件优化 |
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| 引用本文： | 钟晨,邱培培.生化与Fenton氧化工艺处理焦化废水工艺条件优化[J].煤化工,2010,38(1):60-62. |
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| 作者姓名： | 钟晨 邱培培 |
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| 作者单位： | 1. 北京晓清环保公司,102206
2. 北京华加智能技术有限公司,100120 |
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| 摘 要： | 苏州某炼钢集团公司采用除油气浮-A/O-BAF工艺处理焦化废水,当进水COD质量浓度约7 000mg/L时,BAF出水COD质量浓度可达150mg/L左右。采用Fenton试剂进一步对BAF出水进行深度处理,通过试验得到了满足COD≤70mg/L回用要求的最优工艺条件:初始pH值=4,H_2O_2]/Fe~(2+)]=4:1,H_2O_2投加量为132mg/L,反应时间1h。
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| 关 键 词： | 焦化废水 A/O工艺 BAF Fenton氧化 深度处理 |
Optimizing the operation Conditions of the Combined Biological and Fenton Process to Treat Coking Wastewater |
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| Zhong Chen,Qiu Peipei.Optimizing the operation Conditions of the Combined Biological and Fenton Process to Treat Coking Wastewater[J].Coal Chemical Industry,2010,38(1):60-62. |
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| Authors: | Zhong Chen Qiu Peipei |
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| Affiliation: | 1.Beijing Xiaoqing Environmental Protection Group/a>;Beijing 102206/a>;2.Beijing Sinocan Intellitech Co./a>;Ltd./a>;Beijing 100120 |
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| Abstract: | The coking wastewater from a steel plant in Suzhou city was treated by combined eoagulation-floatation, anoxic, aerobic and BAF process. When the influent COD was 7 000mg/L, the effluent COD of BAF can reach 150mg/L. The BAF effluent was treated further by the advanced treatment using Fenton reagent. The optimum conditions which meet the reuse requirement of COD ≤ 70mg/L were obtained through lab-scale tests. The optimum conditions of Fenton＇s oxidation were： initial pH value was 4; dosage of Fe2＋ was 56mg/L; dosage of H2O2 was 132mg/L and reaction time was lh. |
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| Keywords: | coking wastewater A/O technology BAF Fenton oxidation advanced treatment |
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