Distillieries - Environmental Clearance

Table 4: Choice of Models for Impact Modeling: Water Environment *Model Application RemarksQUAL-II EDOSAG-3, USEPA:(1-D) RECEIV – II,USEPAWind effect is insignificant, vertical dispersiveeffects insignificant applicable to streamsData requiredDeoxygenation coefficients, re-aerationcoefficients for carbonaceous, nitrogenous andbenthic substances, dissolved oxygen deficitThe model is found excellent to generate waterquality parametersPhotosynthetic and respiration rate of suspendedand attached algaeParameters measured up to 15 component canbe simulated in any combination, e.g. ammonia,nitrite, nitrate, phosphorous, carbonaceousBOD, benthic oxygen demand, DO, coliforms,conservative substances and temperatureWater quality simulation model for streams &canalA general Water quality modelSteady state ordynamic modelSteady-stateExplore –I, USEPA A river basin water quality model Dynamic, SimplehydrodynamicsHSPE, USEPA Hydrologic simulation model Dynamic, SimplehydrodynamicsRECEIVE-II,USEPAStanford watershedmodelHydrocomp modelStormwaterManagement modelA general dynamic planning model for waterquality managementThis model simulates stream flows once historicprecipitation data are suppliedThe major components of the hydrologic cycleare modeled including interception, surfacedetention, overland inflow, groundwater, evapotranspirationand routing of channel flows,temperature, TDS, DO, carbonaceous BODcoliforms, algae, zooplanktons, nitrite, nitrate,ammonia, phosphate and conservativesubstances can be simulatedLong-term meteorological and wastewatercharacterization data is used to simulate streamflows and stream water qualityRunoff is modeled from overland flow, throughsurface channels, and through sewer networkBoth combined and separate sewers can beTime dependant(Dynamic)Time Dependentvii