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1、安徽农业科学,JournalofAnhuiAgr.iSc.i2010,38(23):12650-12652责任编辑马树梅责任校对况玲玲固定化藻菌去除淡水养殖废水氨氮效果及模型拟建1,2213邹万生,张景来,刘良国,邓武军(1.湖南文理学院生命科学学院,湖南常德415000;2.中国人民大学环境学院,北京100872;3.中国科学院亚热带农业生态研究所,湖南长沙410000)摘要[目的]研究固定化藻菌去除淡水养殖废水氨氮效果及模型拟建。[方法]利用固定化藻菌(ABI)处理淡水养殖废水中的氨氮,采用多因子正交试验得到温度(T)、pH、光照强度(I)、溶解氧(DO)和填充率五因子与氨氮去除
2、率(AR)之间的关系数据,拟建五因子与AR关系模型。[结果]五因子对AR均具有显著影响,最佳去氨氮组合为:温度30、pH值7.0、光照强度6000lx、溶解氧5.0mg/L、填2充率10%。根据试验数据拟建的方程模型决定系数R=0.8648、相伴概率P<0.05,对AR的模型预测值与实际测值进行样本T检验,结果表明总体均值差异显著值sig.为0.978(P>0.05),模型预测值与实际测值数据组无显著性差异,模型具有较高拟合度。[结论]为实现养殖废水中氨氮去除或浓度降低提供了参考依据。关键词固定化藻菌;养殖废水;氨氮去除率;拟建模型中图分类号X703.1文献标识码A文章编号
3、0517-6611(2010)23-12650-02EffectResearchofImmobilizedAlgaebacteriaRemovalAmmoniaNitrogenofAquacultureWastewaterandProposedModelZOUWanshengetal(LifeSciencesofArtsandsciencesofHunanUniversity,Changde,Hunan415000)Abstract[Objective]Theamiwastoresearchtheeffectofmimobilizedalgaebacteriaremovalammon
4、ianitrogenofaquaculturewastewaterandmodelconstruction.[Method]Immobilizedalgaebacteria(ABI)wasappliedtoremoveammoniaoffreshwateraquaculturewastewater.Fivetactoroftemperature(T),pH,lightintensity(I),dissolvedoxygen(DO)andfillingratewereusedforMultifactororthogonaltestandrelateddatabetweenammoniaremo
5、valandfivefactorswasreceived,thenrelationsmodelbetweenthefivefactorandnitrogenremovalwasestablished.[Result]TheresultsshowedthatfivefactorshadsignificanteffectonAR,andthebestcombinationsforremovingARwastemperature30,pH7.0,lightintensity6000lx,dissolvedoxygen5.0mg/Landthefillrate10%.Accordingtoth
6、eexpermientaldata,equation2modelwasproposedandcoefficientofdeterminationR=0.8648,P<0.05.SamplesTtestwasdonebetweenthemodelpredictionsandtheactualmeasuredvalues,andtheresultsshowedthatthesignificantdifferenceofoverallmeanvaluesig.(2tailed)was0.978(P>0.05),whichindicatedthattherewasnosignificantdiff
7、erencebetweenmodelpredictionsandtheactualmeasuredvalue,andmodelhadahighdegreeoffitting.[Conclusion]Thestudyprovidedareferenceforrealizingremovalammonianitrogenofaquaculturewastewaterandconcentrationde
