酒精废水处理工艺中氧化沟污泥的微生物菌群分析
- Allen
-
0 次阅读
-
0 次下载
-
2020-04-08 08:45:08
文档简介:
•54.2018Vol.37No.2SerialNo.312ChinaBrewingResearchReport酒精废水处理工艺中氧化沟污泥的微生物菌群分析王莹刘凤霞赵印2,3,李慧星薛刚12**,李津12(1.南阳理工学院生物与化学工程学院,河南南阳473004;2.河南省工业微生物资源与发酵技术重点实验室,河南南阳473004;3.河南天冠企业集团有限公司车用生物燃料技术国家重点实验室,河南南阳473000)摘要摘要:该实验分析了酒精废水处理过程的主要指标变化,并基于IlluminaMiSeq测序方法研究了氧化沟活性污泥的微生物菌群,分析污泥中微生物种类、丰度和功能。结果表明,在酒精废水处理过程中,pH的变化较小,总磷(TP)浓度不断减小,NH+-N浓度呈先升高后降低的趋势,化学需氧量(COD)、生化需氧量(BOD)呈先快速减小后缓慢减小的趋势。氧化沟活性污泥中生丝微菌属(Tetrasphaera)对废水中磷兀素的去除起重要的作用;陶厄氏菌属(Thauera)对废水中氮兀素的去除起重要的作用;球形杆菌属(Sphaerobacter)、陶厄氏菌属(Thauera)、沙雷氏菌属(Serratia)能够降解或转化结构复杂的有机物;热单胞菌属(Caldimonas)在污泥中丰度高,但其特性和功能尚不清晰,有待更加深入地研究。关键词关键词:氧化沟;活性污泥;酒精废水;微生物菌群;高通量测序中图分类号中图分类号:X172文章编号文章编号:0254-5071(2018)02-0054-06doi:10.11882/j.issn.0254-5071.2018.02.012MicrobialcommunityofaerobicsludgeinanoxidationditchduringtheprocessofalcoholwastewatertreatmentWANGYing1,2,LIUFengxia1,2,ZHAOYin'3,LIHuixinf,XUEGang1'LIJin1,2(1.SchoolofBiologicalandChemicalEngineering,NanyangInstituteofTechnology,Nanyang473004,China;2.HenanKeyLaboratoryofIndustrialMicrobialResourcesandFermentationTechnology,Nanyang473004,China;3.StateKeyLaboratoryofBiofhelTechnology,HenanTianguanGroupCo.,Ltd.,Nanyang473000,China)Abstract:Themainindexeschangesofalcoholwastewatertreatmentwereanalyzed,andthemicrobialcommunityofaerobicsludgeintheoxidationsludgewasinvestigatedbyIlluminaMiSeq.Thespecies,abundanceandfunctionofthemicrobewereanalyzed.Resultsshowedthatinthetreatmentprocessofalcoholwastewater,thepHchangedalittle,totalphosphorus(TP)contentdecreasedconstantly,andtheNH4+-Nconcentrationincreasedfirstandthendecreased,thechemicaloxygendemand(COD)andbiochemicaloxygendemand(BOD)showedatendencyofdecreasingrapidlyandthenslowly.Intheoxidationsludge,TetrasphaerashowedimportanteffectontheremovalofphosphoruselementsinwastewaterandThauerashowedimportanteffectontheremovalofnitrogeninwastewater.Sphaerobacter,ThaueraandSerratiacandegradeortransformcomplexorganiccompounds.TheabundanceofCaldimonasinthesludgewashigh,butitscharacteristicsandfunctionwasnotclear,whichneedstobestudiedfurther.Keywords:oxida
评论
发表评论