Mass balance-based plant-wide wastewater treatment plant models – Part 2: Tracking the influent inorganic suspended solids

Abstract

Subscripts i and e denote influent and effluent sludge. fiOHO Inorganic content of OHOs (mgISS/mgOHOVSS) fn, fnPS Nitrogen fraction of AS and PS (mgN/mgVSS) fna Fraction of influent TKN that is FSA fnu Fraction of influent TKN that is unbiodegradable soluble OrgN fPSR Fraction of COD removed by primary sedimentation fp, fpPS Phosphorus fraction of AS (mgP/mgVSS). Additional subscript PS denotes primary sludge fAS’up, fPS’up Fraction of unbiodegradable COD in AS and PS fSb’s Influent RBCOD fraction with respect to the biodegradable COD fS’up, fS’us Particulate and soluble unbiodegradable COD fraction of wastewater.

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