Biological Wastewater Treatment II - MBBR Processes
PRICE GROUP WEBINAR
Webinar Title: Biological Wastewater Treatment II - MBBR Processes
Webinar No: C04-201W
PDH Credit: 4
Presenter: Harlan Bengtson, Ph.D., P.E.
Time: From 12:00 PM to 4:00 PM ET
This engineering online PDH live webinar will establish, through slides, discussions and detailed examples of process design calculations for the following types of MBBR systems: single stage BOD removal, two stage BOD removal, single stage nitrification, two-stage BOD removal/nitrification, post-anoxic denitrification, and pre-anoxic denitrification.
The MBBR (moving bed biofilm reactor) process is an attached growth process that uses plastic carriers to provide a surface on which biofilm grows. The plastic carriers are kept suspended in the aeration tank by an aerator for an aerobic process or by mechanical mixing for an anoxic or anaerobic process. The MBBR process doesn’t require sludge recycle because the biomass remains in the system attached to the plastic carriers. The required reactor size for an MBBR process is typically significantly smaller than that for an activated sludge process treating the same wastewater flow or for other common attached growth processes like the RBC or trickling filter. It can be used for BOD removal, biological nitrification, biological denitrification, and biological phosphorus removal.
This 4 PDH online live webinar is intended primarily for civil, environmental and chemical engineers. After completing this webinar, you will be familiar with the general components and configuration of an MBBR wastewater treatment process and be able to make typical process design calculations for an MBBR process.
This live webinar is intended to provide you with the following specific knowledge and skills:
- Knowing the differences between attached growth and suspended growth biological wastewater treatment systems
- Familiarizing with the components of and general configuration of an MBBR wastewater treatment system
- Learning how to calculate the loading rate of a wastewater constituent to an MBBR process (in lb/day and g/day) for a specified wastewater flow rate and constituent concentration
- Learning how to calculate the required carrier surface area for an MBBR wastewater treatment process for a specified SALR and loading rate
- Learning how to calculate the required MBBR tank volume for specified carrier surface area, carrier specific surface area, and carrier fill %
- Learning how to calculate the liquid volume in an MBBR tank for known tank volume, carrier volume and carrier % void space
- Learning how to calculate the BOD, NH3-N or NO3-N removal rate for known values of the surface area removal rate (SARR) and design carrier surface area
- Learning how to calculate an estimated effluent BOD, NH3-N, or NO3-N concentration based on known values of the appropriate loading rate, estimated removal rate, and design wastewater flow rate
- Understanding how to make process design calculations for a post-anoxic denitrification MBBR process, including required tank sizes, estimated effluent concentrations, alkalinity requirements, and carbon source requirements
- Understanding how to make process design calculations for a pre-anoxic denitrification MBBR process, including required tank sizes, estimated effluent concentrations, and alkalinity requirements
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