| 铁碳微电解预处理化工有机废水研究 |
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| 引用本文： | 李雯,王三反,孙震,杨凡坤. 铁碳微电解预处理化工有机废水研究[J]. 净水技术, 2008, 27(5) |
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| 作者姓名： | 李雯 王三反 孙震 杨凡坤 |
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| 作者单位： | 兰州交通大学环境与市政工程学院,甘肃,兰州,730070;中铁二院工程集团有限责任公司,山东,济南,250031 |
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| 摘 要： | 某化工厂废水主要成份为乙醇等小分子有机物,经蒸馏处理后出水CODCr浓度在2000～4000mg/L之间,BOD5/CODCr只有0.15,因此采用铁碳微电解方法进行预处理。实验结果表明,最合适反应条件是进水pH值为3.0、铁碳比l∶1、水力停留时间为1.5h,在此条件下CODCr去除率可达95%以上。而且,出水BOD5/CODCr值在0.45以上,提高了可生化性。
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| 关 键 词： | 化工废水 铁碳微电解 pH值 铁碳比 水力停留时间 |
Pretreatment of Organic Chemical Wastewater by Iron-Carbon Micro-electrolysis |
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| LI Wen,WANG San-fan,SUN Zhen,YANG Fan-kun. Pretreatment of Organic Chemical Wastewater by Iron-Carbon Micro-electrolysis[J]. Water Purifcation Technology, 2008, 27(5) |
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| Authors: | LI Wen WANG San-fan SUN Zhen YANG Fan-kun |
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| Abstract: | The main compositions of a chemical plant wastewater are ethanol and some small organic molecules, CODCr value of the wastewater is from 2 000 to 4 000 mg/L and BOD5 /CODCr is only 0.15 after distilling treatment. The micro-electrolysis of iron-carbon method is used to disposal the organic chemical wastewater. The results indicated that the optimized condition of the method is pH=3.0,Fe/C=1:1,HRT=1.5h of the water penetration. By this condition, the removal rate of CODCr is above 95%,and the value of BOD5 /CODCr is above 0.45,the biochemical feature of the wastewater is also improved after the pretreatment. |
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| Keywords: | chemical wastewater micro-electrolysis of iron-carbon pH value Fe/C ratio HRT |
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