無土栽培在生活污水深度處理中的應(yīng)用研究.pdf

1、西南科技大學(xué)碩士學(xué)位論文無土栽培在生活污水深度處理中的應(yīng)用研究姓名：郭雪琳申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：王成端20080405西南科技大學(xué)碩士研究生學(xué)位論文第1I頁AbstractUsingsecondarytreatmentwastewaterfromSouthwestUniversityofScienceandTechnologywastewatertreatmentplantasinflowofsoillesscult

2、ivateddomesticwastewateradvancedtreatmentsystem，itwillexperimentwithorchidstaticanddynamicwastewatertreatmentsysteminfourseasonsChooseChlorophyturncomosumandPurpleOrchidtocomparethesetwoorchidsystems’N&PremovaleffectionB

3、yorchiddynamictreatmentsystemsexperiments，ChlorophyturncomosumtreatmentsystemcanremoveN&Pfromwastewatereffectivelyandtheseasons’changewillaffectitlessthanPurpleOrchidtreatmentsystemAndtheChlorophyturncomosurntreatmentsys

4、temremovesN&PfromwastewatermoreeffectivelythanPurpleOrchidtreatmentsystemKindsofnutrientsubstancesconcentrationinsecondaryorchiddynamictreatmentsystemsoutflowasfollow，NH4：36426mg／Lto4203mg／L；nitratenitrogen&nitritenitrog

5、en：2802me／L；TPcanreachO2m∥LAftertreating，watercanreachthestandardsofreclaimedwaterqualitybasicallyInthesedomesticwastewateradvancedtreatmentsystems，orchidsglowwell；andorchids’caudexesandleavesalsoglowwell；andthewhite(Chl

6、orophytumCOrnOSUrn)andorchid(PurpleOrchid)flowersappeanUsingsoillesscultivatedsystems，theynotonlyremovepollutantsefficientlybutalsohavesomelandscapingvalueandeconomicbenefitsBythiswaythetotalcostofdomesticwastewatertreat

7、mentcanbereduced，andthelimitspaceinwastewatertreatmentfactorycanbeusedefficientlyThistreatmentwaycanbeappliedinsmallsizedorresidencecommunitywastewatertreatmentKeywords：soillessculture；orchid；domesticwastewater；advancedt