Waste Water Treatment Plant at Oldcastle

Added on -2019-09-24

| 14 pages| 1866 words| 435 views

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[DOCUMENT TITLE][Document subtitle][DATE]MICROSOFT[Company address]
Table of ContentsIntroduction:..........................................................................................................................................2Aim:...................................................................................................................................................2Objective:..........................................................................................................................................2Methodology:........................................................................................................................................2Results and discussion:..........................................................................................................................5Sludge is capable of nitrification:...........................................................................................................8Data Analysis conflict:............................................................................................................................9Comparison of total cell numbers from flow cytometer and qPCR technique:...................................10Conclusion:..........................................................................................................................................11References...........................................................................................................................................121 | P a g e
Introduction: The waste water treatment plant at Oldcastle will built to serve the agglomeration ofOldcastle municipal co-operation Meath with the design capacity of 1500 population. Theconstruction of a new wastewater treatment plant to serve the population of the Oldcastlecommenced in upcoming year. The construction of this new plant will be completed inupcoming next year. The following calculation have been prepare as per requirement ofwastewater plant. The process and to obtain design parameters are discuss in report segment. Aim: To design an activated sludge plant for Oldcastle residencies from the total amount ofpopulation done wastewater flow. Objective: Design municipal activated sludge wastewater treatment plant for Oldcastle city through thepreliminary laboratory bacterial growth and utilising wastewater at that area. To determine the substrate utilisation and growth rates for sludge from the exponentialgrowth phase of growth. Plot data to estimate maximum specific growth rate and Ks values from flow cytometry totalcounts of bacteria, also obtain maximum BOD utilisation rates and Ks value for wastewatersamples. Methodology: Kinematic parameter to design active sludge plant and methodology of obtain kineticparameters .The important kinetic parameters requires for process design include asfollowing: Y: The cell of yield co-efficient define as the mass of activated sludge per unit of substrateremoval (mg VSS/mg COD) Kd=Theendogenousdecayrate(1day)μmax=themaximumSpecificgrowthrate(1day)Ks=ShapefactorofMonodequationIn order to find specific growth rate following formula used. 2 | P a g e
Monod equation: μ=μmaxSKs+SWhere, S = Subtraction concentration (mg/L) The following graph plot from the given data of BOD and time duration in order to find theexperimental growth rate and model growth rate. To fine the value of experimental growthrate of individual BOD, that obtain by the equation of line of individual graph rate. The slopevalue indicate value of growth rate.The above graph have individual growth rate at respective Biochemical Oxygen Demand which are μ3000=0.0101,μ2000=0.0211,μ1500=0.0143,μ600=0.0022,μ400=0.014,μ100=0.008perday.In order to find the model growth rate, it is require to use experimental growth rate to obtain model growth rate by following formula: (Modelgrowthrate)3000=μmaxxBODKS+BOD¿0.43754095x150052.43312146+1500¿0.422763091day(Modelgrowthrate)2000=0.43754095x100052.43312146+1000¿0.415742284/day(Modelgrowthrate)1500=0.43754095x75052.43312146+750¿0.408950857/day(Modelgrowthrate)600=0.43754095x30052.43312146+300¿0.372445939day3 | P a g e

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