Wastewater treatment & methane.ppt · Water trom primary clarifier with dissolved Organic matter...
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Microbiology of waste water Microbiology of waste water treatment and methane production Content Waste water treatment N- and P-removal N and P removal Methanogenesis Thermodynamics of fermentations Global methane production Global methane production
Transcript of Wastewater treatment & methane.ppt · Water trom primary clarifier with dissolved Organic matter...
Microbiology of waste waterMicrobiology of waste water treatment and methane
production
ContentWaste water treatment
N- and P-removalN and P removalMethanogenesis
Thermodynamics of fermentationsGlobal methane productionGlobal methane production
Water qualityWater quality
TOCTotal Organic CarbonTotal Organic Carbon
CODChemical Oxygen DemandChemical Oxygen Demand
BODBi h i l O D dBiochemical Oxygen Demand
Nernst equation
aA + bB cC + dDaA + bB cC + dD
∆G’ = ∆Gº’ + RT ln (C)C (D)d/(A)a(B)b( ) ( ) ( ) ( )
∆G’ = ∆Gº’ + 5.7 log (C)C (D)d/(A)a(B)b
Do not include H2O or H+
(they are constants under standard conditions)Gases can be expressed in partial pressures (atm)