英文文献合集
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2019-03-19 16:26:53
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英文文献合集10YEARSOFEXPERIENCESOFANMBBRPROCESSFORPOST-DENITRIFICATIONK.Täljemark,H.Aspegren,C.Gruvberger,N.Hanner,U.NybergandB.AnderssonMalmöWaterSE-20580MalmöSwedenABSTRACTProblemswitheutrophicationandalgaebloomsinitiatedtheneedforenhancednutrientremovalatEuropeanwastewatertreatmentplantsintheendoftheeighties.WhenupgradingthetwoWWTPsinMalmö,sitespecificupgradingconceptshadtobeconsideredbecauseoftheexistingplantstructures.Asphosphorusremovalalreadywasimplemented,theupgradingwasfocusedonenhancednitrogenremoval.Thekeyelementintheupgradingprocedurewastheretrofitwithanappropriatepost-denitrificationprocess.Anewlydevelopedconceptwithamovingbedbiologicalreactorprocesswasfoundtobecost-effective.PilotplanttestswithanMBBRprocessforpost-denitrificationwereperformedfordemonstrationpurposeandtogetsomeideasforproperdesigncriteria.Thelaterexperiencesfromthefull-scaleplantoperationshowedgoodagreementwiththeselecteddesigncriteriafromthepilotplantdata.Thefutureeffluentstandardscouldbemetbytheupgradingofthep
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