厭氧復(fù)合型人工濕地系統(tǒng)設(shè)計及其凈化養(yǎng)殖廢水試驗(yàn)研究.pdf

1、安徽農(nóng)業(yè)大學(xué)碩士學(xué)位論文厭氧復(fù)合型人工濕地系統(tǒng)設(shè)計及其凈化養(yǎng)殖廢水試驗(yàn)研究姓名：胡志強(qiáng)申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：儲茵司友斌201106IIAbstractLivestockpoultrybreedingindustryhavebeendevelopingquicklyinrecentyearsinChinaresultingintheproductionoflargeamountoflivestockwastewater

2、withhighlevelsofganicmaterialnutrientsespeciallyammoniaheavymetalssuchascopperzincwhichhasbeenagreatthreattoourenvironment.Traditionaltreatmentprocessesarenotsuitablefthetreatmentofthiskindofwastewatereitherbecausetheloa

3、distoohighfthesystembecausethecostistoohigh.Asewagetreatmentsystemwithdoubleanaerobicunitsfollowedbymultipleconstructedwetlsisdevelopedhereitisappliedtotreatpiggerywastewater.Thedoubleanaerobicunitsmultipleconstructedwet

4、lsewagetreatmentsystemincludestwoanaerobicunitsfollowedbyaseriesofmultipleconstructedwetls.Themainfunctionoftheanaerobicunitsistolowertheganicconcentration.Twoanaerobicunitsareincludedtoseparatethedifferentbacteriainthea

5、naerobicdigestionprocessestoimproveoperationstabilityefficiency.Theconstructedwetlsunitsperfmfurtherpurificationofthewastewaterwiththefilteringofpaddingmaterialbiochemicalprocessesofmicroganismtheobsptionbytheplantsgrown

6、inthewetls.Theconstrutedwetlpartincludesthesurfaceflowconstructedwetlsfollowedbysubsurfaceflowconstructedwetls.Thisdesigncanpreventeffectivelytheclogprobleminthesubsurfaceflowconstructedwetlsimprovetreatmentefficiency.Th

7、elayoutofthecombinedconstructedwetlscanbearrangedflexiblyaccdingtothewastewaterloadspecificspaceconditions.Sothissystemcombinesanaerobictreatmenttechnologyconstructedwetltechnology.Thespecificflexibledesigncannotonlyguar

8、anteeeachunittoperfmonetwomainfunctionsbutalsoadapttodifferentwastewaterlocationconditions.Thedoubleanaerobicunitsmultipleconstructedwetlsewagetreatmentsystemwasappliedtotreatpiggerywastewaterfmasmallfigfarmwith150pigsth

9、edesignedflowratewas1.5m3d.TheresultsshowedthattheaverageremovalefficienciesofCODcrBOD5TNNH3NTPCuZnwereabout96%97%75%82%89%82%86%respectively.theeffluentconcentrationswere11.5mgL33.4mgL168.3mgL63.5mgL7.8mgL0.32mgL0.67mgL