平板膜在剩余活性污泥濃縮與減量處理中應(yīng)用基礎(chǔ)研究.pdf

1、同濟大學(xué)碩士學(xué)位論文平板膜在剩余活性污泥濃縮與減量處理中應(yīng)用基礎(chǔ)研究姓名：劉明明申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：吳志超20040301Abstraet111epaperfocusontheapplicationoftheflatsheetmembranemoduletotheresidualactivatedsludgethickeningandaerationdigestion，whichformthetwesearchfi

2、eldsItconcludesthetheoreticalanalytiCS，theassessmentofthemembranematerialandtheimpactingfactors，theoptimizingoftherun，themembranefoulingandsolution，theaerationdigestioncombiningthemembraneandetcOnthebasesoftheformerresea

3、rchworks，aidingbythemodemanalysisinstrumentsandtechnologywecarryoutthesystemicresearchbytheexperiments1Thefactors，suchasthesludgeconcentration，aerationintensityandthesuctionpressure，isinvestigatedandtherulesareresearched

4、intheconditionofthesludgesystemwithhighMLSSconcentrationOnthebasesoftheformer，thebasicexperimentsconditionisfixedAlsotheimpactofeffectivemembraneareaandthesludgecharactersispresented2Onthebaseofthesingleflatsheetmembrane

5、module，thecombinationofitispresentedandtheimpactofaerationintensityandthesuctionpressureisdertermineddustshowingthesametrendasthesingle。Inaddition，thespacebetweenmembranemodulesisalsobeendistinguished3Fortheoptimizingoft

6、hesystemrun，thechoiceofoptimalrun／offtime，theaerationdepthandtheplacementofthemembranemoduleareconsideredTheresultshowsthatthereistheoptimalrun／offtimeandtheaerationdepthforafixedrunsystemandtheycanimprovethemembraneflux

7、butthereseemsnodifferencebetweenthedifferentplacementofthemembranemodulewhateverupordownoftherainspout4TheultrasonicCalleitherreducethemembranefluxordeterioratethepermeationOnthecontrary，addingzeoliteortheFe3bothcarlimpr

8、ovethemembranefluxandreducethemembraneresistance5ThecombinationofflatsheetmembranemoduleandtheaerationsludgedigestioncarlimprovethesludgedigestionratesIntheexperiments，itcarlbeobservedthatthesludgedigestionraterisesupto4