污水处理厂污泥减量化

污水处理厂的污泥减量化

摘要：对剩余污泥的处理在污水处理中占用昂贵的费用，基于经济环境和其它因素的考虑，如何解决剩余污泥的问题正是我们面临的挑战。由于环境结和相关法律的要求不断增加，那么对剩余污泥处理方安的选择就越来越严格，而减少污泥总量又是迫切的目标，本文着重介绍了有关剩余污泥减量化的主要方法：解耦联，隐性生长，扑食细菌，热处理，臭氧法，osa法等等。合适的物质环境和运行工艺将减少剩余污泥产量，但是，不管选用哪种方法他都将对微生物群产生一定影响，而且还会增加处理后的水含氮浓度。

关键词：污泥减量污水处理活性污泥法

abstract——excessbiomassproducedduringthebiologicaltreatmentofwastewatersrequirescostlydisposal.excesssludgetreatmentanddisposalcurrentlyrepresentsarisingchallengeforwastewatertreatmentplantsduetoeconomic，environmentalandregulationfactors.asenvironmentalandlegislativeconstraintsincrease，thuslimitingdisposaloptions，thereisconsiderableimpetusforreducingtheamountofbiomassproduced.thispaperreviewscurrentstrategiesforreducingsludgeproductionbasedonthesemechanisms：uncouplingmetabolism，lysiscrypticgrowth，predationonbacteria，thermaltreatment，activatedsludgeozonationprocess，anoxic-settling-anaerobic（osa），andsoon..suitableengineeringofthephysicalconditionsandstrategicprocessoperationmayresultinenvironmentsinwhichbiomassproductionmaybereduced.butemployinganystrategyforreducingsludgeproductionmayhaveanimpactonmicrobialcommunityinbiologicalwastewatertreatmentprocessesandreducedbiomassproductionmayresultinanincreasednitrogenconcentrationintheeffluent.

keyword：sludgereduction，wastewatertreatment，activatedsludgetereatment.

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