污泥干化芦苇床运行效能研究
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摘要
通过系统地考察不同有机质含量剩余污泥在污泥干化芦苇床中的稳定化效果,总结并对比分析了污泥干化芦苇床对不同原泥的矿化程度、氮磷等营养物质的去除、微污染有机物的降解以及温室气体排放等。经过两年的布泥期和一年的稳定期,污泥有机质得到有效处理,高、低有机质含量污泥的稳定化程度分别达到54.50%和58.20%,满足GB 18918-2002中稳定化污泥标准的要求,同时高于GB 8712-87大于10%的城镇垃圾农用控制标准要求。污泥氮磷含量仍然处于较高水平,可作为植物性营养元素;其中高、低有机质含量污泥中氮的含量分别从7.10%降到3.10%和从2.52%降到0.98%。微污染有机物如多环芳烃得到有效去除,高、低有机质含量污泥中多环芳烃分别去除了67.28%和32.64%,其中湿地植物芦苇起到了积极作用;监测结果表明,污泥干化芦苇床会释放一定量的温室气体,其中CO_2释放量为16.5-65.2 g CO_2m~(-2)d~(-1),CH_4释放量为0.43~1.95 g CH_4m~(-2)d~(-1),用CO_2来衡量CH_4的全球变暖趋势,污泥干化芦苇床为15.02 g CO_2eqm~(-2)d~(-1)。
引文
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[24]Brix H.,Arias C.A.,Del Bubba M.Media selection for sustainable phosphorus removal in subsurface flow constructed wetlands[J].Water Science and Technology,2001,44(11-12):47-54.
[2]Cui Y.B.,Wu X.H.,Liu Z.S.,et al.Ecological stabilization of thickened wastewater sludge from CAST process[J].Water Science&Technology,2008,58(10):1911-1916.
[3]Cui Y.B.,Qi Z.X.,Guo Z.Q.,et al.Characteristics of Ecological Stabilized Sewage Sludge(I)[J].Journal of Residuals Science&Technology,2009,6(3):113-117.
[4]Matamoros,V.,Nguyen L.V.,Arias,C.A.,et al.Musk fragrances,DEHP and heavy metals in a 20 years old sludge treatment reed bed system[J].Water Research,2012,46(12):3889-3896.
[5]崔玉波,郭智倩,刘颖慧.剩余污泥生态稳定化研究.土木建筑与环境工程,2011,33(4):150-155.
[6]Nielsen,S.Sludge treatment reed bed facilities–organic load and operation problems[J].Water Science and Technology,2011,63(7):941-947.
[7]崔玉波,孙红杰,魏德洲.污泥干化芦苇床中积存污泥的氮磷变化规律.生态与农村环境学报,2012,28(2):192-195.
[8]Cui Y.B.,SUN H.J.,YANG M.L.,et al.Plant growth for sewage sludge ecological stabilization[J].Journal of Residuals Science&Technology,2012,9(1):47-53.
[9]崔玉波,孙红杰,冉春秋.污泥干化芦苇床芦苇中多环芳烃的含量分布.土木建筑与环境工程,2013,35(5):13-18.
[10]崔玉波,孙红杰,杨少华,等.污泥生态稳定化过程中腐殖质变化特征.安全与环境学报,2013,13(3):90-92.
[11]崔玉波,冉春秋,王芳,等.干化床和芦苇床稳定污泥过程中的腐殖化特征.环境工程学报,2014,8(1):367-371.
[12]崔玉波,孙红杰,冉春秋,等.污泥干化床与芦苇床稳定化污泥中多环芳烃的含量比较.环境科学,2013,34(3):1161-1165.
[13]Cui Y.B.,Sun T.H.,Zhao L.H.,et al.Performance of wastewater sludge ecological stabilization[J].Journal of Environmental Sciences,2008,20(4):385-389.
[14]孙红杰,崔玉波,王芳.芦苇床与干化床污泥脱水和稳定性能比较.安全与环境学报,2011,11(6):81-84.
[15]孙红杰,崔玉波,付立凯.污泥生态稳定化过程中渗滤液处理效能研究.吉林农业大学学报,2011,33(3):306-309.
[16]Zwara W.and Obarska-Pempkowiak H.Polish experience with sewage sludge utilization in systems[J].Water Science&Technology,2000,41(1):65-68.
[17]Stefanakis A.I.,Akratos C.S.,Melidis P.,et al.Surplus activated sludge dewatering in pilot-scale sludge drying systems[J].Journal of Hazardous Materials,2009,172(2/3):1122-1130.
[18]Barbieri A.,Gruti G.,Avolio F.,et al.Sludge dewatering using macrophytes in a small wastewater treatment system:A case study of a pilot scale plant in Northern Italy[J].Journal of Environmental Science and Health,2003,A38(10):2425-2433.
[19]Uggetti E.,Llorens E.,Pedescoll A.,et al.Sludge dewatering and stabilization in drying systems:Characterization of three full-scale systems in Catalonia,Spain[J].Bioresource Technology,2009,100(17):3882-3890.
[20]Olsson L.,Larsen J.D.,Ye S.Y.,et al.Emissions of CO2 and CH4 from sludge treatment reed beds depend on system management and sludge loading[J].Journal of Environmental Management,2014,141(8):51-60.
[21]Uggetti E.,Ferrer I.,Molist J.,et al.Technical,economic and environmental assessment of sludge treatment wetlands[J].Water Research,2011,45(2):573-582.
[22]Uggetti E.,Ferrer I.,Arias C.,et al.Carbon footprint of sludge treatment reed beds[J].Ecological Engineering,2012,44(7):298-302.
[23]Nielsen,S.,Peruzzi,E.,Macci,C.,et al.Stabilisation and mineralization of sludge in reed bed system after 10–20years of operation[J].Water Science and Technology,2014,69(3):539-545.
[24]Brix H.,Arias C.A.,Del Bubba M.Media selection for sustainable phosphorus removal in subsurface flow constructed wetlands[J].Water Science and Technology,2001,44(11-12):47-54.