1. Anaerobic Sequencing Batch Reactor
Lookout Mountain Design Team
Members:
Jason Allen
Bryan Crawford
Scott Dunn
Tresa Gay

2. Engineering 430: Plant Design
Topics of Discussion:
Problem Statement
Anaerobic Sequencing Batch Reactor
Process Diagram
Economic Analysis
Conclusion
11/13/2018
Engineering 430: Plant Design

3. Anaerobic Sequencing Batch Reactor
Wastewater treatment system
Improves retention times
Wider operating temperature range
Self-contained system
11/13/2018
Engineering 430: Plant Design

4. ASBR Operation Influent Effluent Fill React Settle Decant Idle
Sequential Process of the ASBR
11/13/2018
Engineering 430: Plant Design

5. Engineering 430: Plant Design
Process Diagram
Biogas
ASBR
Decant
CH4
300,000 gpd
Sludge
Biogas
ASBR
CO2
Equalization Basin
Decant
Gas Separation Column
Sludge
11/13/2018
Engineering 430: Plant Design

6. Engineering 430: Plant Design
Operating Costs
Direct Production Costs: $208,000
Utilities, Labor, & Maintenance
Fixed Costs: $53,000
Annual Operating Costs: $261,000
11/13/2018
Engineering 430: Plant Design

7. Engineering 430: Plant Design
Equipment Costs
2 ASBR Tanks: $240,000
1 Gas Separation Column: $120,000
Major Equipment Costs: $360,000
Total Capital Investment: $1,600,000
11/13/2018
Engineering 430: Plant Design

8. Engineering 430: Plant Design
Simple Payback
11/13/2018
Engineering 430: Plant Design

9. Engineering 430: Plant Design
Conclusion
Based on simple payback analysis, project economically feasible
sale of methane produced proves profitable within one year of facility installation
11/13/2018
Engineering 430: Plant Design