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间歇曝气对生物填料人工湿地氮磷去除性能的影响

Keywords: 间歇曝气,生物填料,人工湿地,,

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Abstract:

采用部分生物填料替换页岩构建生物填料人工湿地处理津河富营养化水体,并在填料内部设置曝气装置研究间歇曝气对湿地氮磷去除效果的影响。设计水力负荷800mm·d-1,气水比15∶1。结果表明,当氨氮(NH4-N)、总氮(TN)、溶解性反应磷(SRP)和总磷(TP)平均进水浓度为4.61、5.68、0.338和0.464mg·L-1时,无曝气条件下NH4-N、TN、SRP、TP平均去除率分别为65.9%、65.3%、62.2%和56.9%。中部曝气使NH4-N、TN、SRP和TP平均去除率分别提高15.9%、8%、13.7%和8.9%,底部曝气则为24.4%、12.9%、16.1%和12%,间歇曝气能够有效提高生物填料人工湿地NH4-N、TN、SRP和TP去除效率。但是曝气产生的有氧环境不利于硝酸盐氮(NO3-N)去除,试验期间底部曝气和中部曝气NO3-N出水浓度均高于无曝气系统。

References

[1]  汤显强,黄岁樑.人工湿地去污机理及国内外应用现状[J].水处理技术,2007,33(2):9-13.
[2]  邹华生,陈焕钦.生物填料塔处理餐厅污水的研究[J].工业水处理,2001,21(6):32-34.
[3]  程丽华,钟华文,谢文玉.炼油废水处理生物填料的选择与优化研究[J].环境污染治理技术与设备,2006,7(5):90-92.
[4]  Vymazal J.The use of sub-surface constructed wetlands for wastewater tre atment in the Czech Republic:10 years experience[J].Ecol Eng,2002,18(5):633-646.
[5]  Scholz M.Wetland systems to control urban runoff[M].Amsterdam:Elesevier,2006.
[6]  De-Bashan L E,Bashan Y.Recent advances in removing phosphorus from wastewater and its future use as fertilizer(1997-2003)[J].Wat Res,2004,38(19):4222 -4246.
[7]  Ouellet-Plamondon C,Chazarenc F,Comeau Y,et al.Artificial aeration to increase pollutant removal efficiency of constructed wetlands in cold climate[J].Ecol Eng,2006,27 (3):258-264.
[8]  Scholz M,Lee B-H.Constructed wetlands:a review[J].Int J Environm Stud,2005,62 (4):421-447.
[9]  汤显强,李金中,李学菊,等.人工湿地室内小试不同填料去污性能比较[J].水处理技术,2007,33(5):45-49.
[10]  中国国家环境保护总局.水和废水监测分析[M].第四版,北京:中国环境科学出版社,2002.89-283.
[11]  Brix H.Do macrophytes play a role in constructed treatment wetlands?[J]Wat Sci Tech,1997,35 (5):11-17.
[12]  Huett D O.Diagnostic leaf nutrient standards for lowchill peaches in subtropical Australia[J].Aust J Exp Agric,1997,37:119-126.
[13]  Hunt P G,Poach M E,Liehr S K.Nitrogen cycling in wetland systems[C]//Dunne E J,Reddy K R,Carton O T.Nutrient management in agricultural watersheds:a wetland solution.Wageningen,Netherlands:Wageningen Academic Publishers,2005,93-104.
[14]  Metcalf,Eddy,Inc.Wastewater engineering:treatment,disposal and reuse[M].McGraw-Hill Ltd,New Delhi,India.1995.
[15]  Satoshi Tsuneda,Takashi Ohno,Koichi Soejima,et al.Simultaneous nitrogen and phosphorus removal using denitrifying phosphate-accumulating organisms in a sequencing batch reactor[J].Biochemical Engineering Journal,2006,27:191-196.
[16]  Sakadevan K,Bavor H J.Phosphate adsorption characteristics of soils,slags and zeolite to be used as substrates in constructed wetland systems[J].Water Research,1998,32(2):393-399.

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