| UZBAF处理农村生活污水工艺参数优化研究 |
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| 引用本文： | 刘锦, 南国英, 杨天学. UZBAF处理农村生活污水工艺参数优化研究[J]. 环境工程技术学报, 2011, 1(2): 118-122. doi: 10.3969/j.issn.1674-991X.2011.02.020 |
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| 作者姓名： | 刘锦 南国英 杨天学 |
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| 作者单位： | 1.张家口市环境监测站;;2.河北建筑工程学院;;3.中国环境科学研究院水环境系统工程研究室 |
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| 摘 要： | 当前水体污染日益严重，农村生活污水造成的污染所占比例较高。于河北省乐亭县示范基地内采用升流式曝气生物滤池（UZBAF）装置，内径为185 cm，内装天然沸石滤料54 L，进行了农村生活污水无害化处理研究。结果表明，在水力负荷为2 m3/h，停留时间为1.0 h的情况下，气水比由2∶1提高到4∶1时，CODCr平均去除率由75.2%提高至83.4%；BOD5去除率提高了5.9%；浊度去除率由91.9%提高至94.8%；NH4+-N平均去除率由82.6%提高至98.1%，出水平均浓度由3.3 mg/L降至0.28 mg/L；对TN,TP,碱度和电导率的去除率分别达到56.2%,26.7%,27.5%和10.8%，对细菌和蛔虫卵的去除率分别达到99.9%和100%，能达到GB 8978—1996《污水综合排放标准》中一级排放标准的要求。所以利用UZBAF装置处理农村生活污水时，在水力负荷为2 m3/h，停留时间为1.0 h情况下，能很好实现农村生活污水无害化处理。
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| 关 键 词： | 升流式曝气生物滤池 沸石 农村生活污水 NH4+-N |
| 收稿时间： | 2010-09-20 |
| 修稿时间： | 2010-11-29 |
Optimization the Parameters of UZBAF for Treatment of Rural Sewage |
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| LIU Jin, NAN Guo-ying, YANG Tian-xue. Optimization the Parameters of UZBAF for Treatment of Rural Sewage[J]. Journal of Environmental Engineering Technology, 2011, 1(2): 118-122. doi: 10.3969/j.issn.1674-991X.2011.02.020 |
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| Authors: | LIU Jin NAN Guo-ying YANG Tian-xue |
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| Affiliation: | 1. Zhangjiakou Environmental Monitoring Station;;2. Hebei Construction College;;3. Chinese Research Academy of Environmental Sciences |
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| Abstract: | The water pollution was increasingly serious recently in China, and the rural sewage pollution accounted for high proportion. The up-flow biological aerated filter (UZBAF) with inner diameter of 185 cm and with 54 L of built-in natural zeolite filter sand was used in the demonstration base for harmless treatment of rural sewage. The results showed that under the conditions of hydraulic loading 2 m3/h and residence time 1.0 h, when the gas-water ratio increased from 2∶1 to 4∶1, CODCr average removal rate increased from 75.2% to 83.4%, BOD5 removal rate increased by 5.9%; turbidity removal rate increased from 91.9% to 94.8%, NH4+-N average removal rate increased from 82.6% to 98.1%, NH4+-N average concentration of the effluent fell from 3.3 mg/L to 0.28 mg/L; the removal rate of TN, TP, alkalinity and conductivity was 56.2%, 26.7%, 27.5% and 10.8%, respectively; and the removal rate of bacteria and ascaris eggs was 99.9% and 100%, respectively. The effluent could reach the target of the first-grade discharge standard of Synthetical Draining Standard of Sewage (GB 8978-1996). It was concluded that under the conditions of hydraulic loading 2 m3/h and residence time 1.0 h, UZBAF devices could realize harmless treatment of rural sewage. |
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| Keywords: | up-flow biological aerated filter (UZBAF) zeolite rural sewage NH4< sub>+< sup>-N |
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