TBW 2001b Anaerobic treatment of municipal wastewa

TBW 2001b Anaerobic treatment of municipal wastewater in UASB reactorsTechnicalInformationW6egateInformationService/gtz,POBox5180,65726Eschborn,GermanyPhone:+49(0)6196/79-3094,Fax:+49(0)6196/79-7352,Email:gate-id@gtz.de,Internet:http://www.gtz.de/gate/gateid.afp1AnaerobictreatmentofmunicipalwastewaterinUASB-reactorsNaturgerechteTechnologien,Bau-undWirtschaftsberatungTBWGmbH,FrankfurtMarch2001TechnicalField:�Energy/Environment(E)�Water/Sanitation(W)�Agriculture(A)�Foodprocessing(F)�Manufacturing(M)ThisTechnicalInformationisavailablein:�English(e)�French(f)�German(g)�Spanish(s)�Other:..1IntroductionInthepastyears,theeffortstoimprovewaterqualityusingmodernsewagetechnologyledtobigsuccessesinindustrialisedcountries.Here,thecommonlyimplementedtreatmentsystemsaremostlybasedonahightechnologylevelwhichnotonlyrequiresalargeamountofprocessenergy,butisalsorelatedtohighinvestmentandoperationcosts.Plantoperationfurthermorerequireshighlyqualifiedpersonnelthatisveryoftennotsufficientlyavailableindevel