Performance and biomass characterization of an UASB reactor treating domestic wastewater at ambient temperature

Abstract

3 July 1998 215 Nomenclature BOD Biochemical oxygen demand CMSD Completely mixed sludge digester COD Chemical oxygen demand (t total; ssoluble) HRT Hydraulic retention time OLR Organic loading rate rCH4 Methane production rate SS Suspended solids SRT Solids retention time UASB Upflow anaerobic sludge blanket VFA Volatile fatty acids VS Volatile solids VSS Volatile suspended solids %CODr Percentage COD removal %M Percentage COD converted into methane %SSr Percentage SS removal Introduction Directive 91/271/CE of the Council of Europe (1991) establishes efficiencies required for urban waste-water treatment installations in the near future.

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