Wastewater Treatment Processes and Technologies
Wastewater Treatment Processes and Technologies
INTRODUCTION
Understand and apply the detailed processes and technologies required for successful wastewater treatment. A field trip to a local plant is included. Course topics and features will include:
- Wastewater characteristics, terms, regulations
- Headworks, grit removal, flow measurement, screening, primary treatment
- Activated sludge, biological processes, nutrient removal
- Membrane bioreactors (MBRs)
- Effluent disinfection, chlorine, UV, ozone
- Bio-solids treatment, aerobic and anaerobic digestion
- Treatment costs: capital, operating, and maintenance
- Comparison of industrial and municipal treatment
- Treatment plant operations and management
WHO SHOULD ATTEND?
- Wastewater engineers, operators and managers
- Consulting engineers
- Federal agencies and military bases
- Wastewater equipment manufacturers
- Others interested in wastewater treatment
COURSE OUTLINE
Overview of Wastewater Treatment
- Historical perspective
- Wastewater characteristics
- Discharge permits, regulations
- Treatment processes and definitions
Headworks, Flow Measurement, and Preliminary/Primary Treatment
- Wastewater flow rates and metering
- Screening, compaction, grit removal
- Primary clarification
Activated Sludge Systems
- Biological treatment principles
- BOD and nutrient removal
- Process configurations
- Final clarification
- Design and operation
- Wet weather management
Other Biological Treatment Processes
- Membrane bioreactors (MBRs)
- Fixed film & hybrid processes
- Recycle treatment
- Sustainability considerations
- Wastewater treatment plants of the future
Effluent Disinfection
- Chlorine
- Ultraviolet light
- Ozone
- Typical permit requirements
Solids Treatment, Aerobic Digestion, Anaerobic Digestion
- Typical process trains
- Thickening and dewatering
- Aerobic and Anaerobic Digestion – principles and technologies
- Single-stage mesophilic, TPAD, and other approaches
- Pros and cons of different processes
Energy Saving Activities in Wastewater Treatment: Case Study
- Digester gas recovery, heat recovery
- Energy reductions in biological treatment
- Disinfection alternatives and energy use
- Energy efficient control strategies
Industrial Treatment Considerations
- Industrial wastewater characteristics
- Pretreatment options
- Fracking water and other waste streams
Wastewater Treatment Costs
- Estimating project capital costs, O&M costs
- Customer charges and rates
- Benchmarks, examples, factors that affect cost
Smaller-scale Plants: Processes and Considerations
- Technology options for smaller plants
- Operating and maintenance considerations
- Economic challenges for local governments
Plant Operations
- Meeting discharge permits
- Standard operating procedures, O&M manuals, asset data
- Instrumentation and control
- Operations management and troubleshooting
Design Workshop and Exercises
- Participants will examine treatment plant scenarios, perform calculations, identify alternatives, and discuss solutions