Lecture 9_05

Lecture 9_05 - ESM 214 05 Lecture 9: Biological treatment,...

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ESM 214 05 Lecture 9: Biological treatment, Advanced Treatment, Solids Treatment and Disposal
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Anaerobic WastewaterTreatment Similar configurations to activated sludge, aerobic reactors, but no oxygen. Used more with industrial wastewaters Intermittent flows High COD • Uses less energy, makes less sludge, makes CH 4 (energy), but…. . Biomass grows slowly, acidifies, partial treatment, no extra P or N removal
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Anaerobic Wastewater Treatment Breweries Dairy and cheese production Fish processing Leachate treatment Pulp/paper Meatpacking Distilleries Municipal waste
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Anaerobic WastewaterTreatment: Considerations Mesophilic (25 to 35° C) conditions advantageous Long SRTs: e.g. 20 days at 30° C • May need to add CaCO 3 to buffer May need to add nutrients Sensitive to Toxic metals and organics Ammonia Oxidized sulfur ---bacteria compete for COD
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Anaerobic Lagoon: generic
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Anaerobic lagoon (ADI/BVF))
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This note was uploaded on 08/06/2008 for the course ESM 214 taught by Professor Holden during the Spring '05 term at UCSB.

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Lecture 9_05 - ESM 214 05 Lecture 9: Biological treatment,...

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