Biological Wastewater Treatment I - Activated Sludge
This engineering online PDH live webinar will establish through slides the background on biological wastewater treatment, a general description of the activated sludge process, discussion of design calculations for an activated sludge aeration tank, and discussion of activated sludge operational calculations. Example calculations and discussion of using an Excel spreadsheet for making the calculations are also included.
The activated sludge process is a type of wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa. There are several variations of the activated sludge process, including extended aeration, contact stabilization, and the completely mixed activated sludge process. These activated sludge processes are very widely used for biological wastewater treatment around the world.
This 2 PDH online live webinar is intended primarily for civil, environmental and chemical engineers. After completing this webinar, you will be familiar with the common variations of the activated sludge process used for biological wastewater treatment and be able to make typical aeration tank design calculations and operational calculations.
This live webinar is intended to provide you with the following specific knowledge and skills:
- Understanding the equation for biological oxidation and how it fits into the organic carbon cycle
- Understanding the equation for photosynthesis and how it fits into the organic carbon cycle
- Understanding the major components of an activated sludge wastewater treatment system
- Knowing how to describe the differences between an extended aeration and conventional activated sludge process
- Knowing how to describe the differences between a contact stabilization and conventional activated sludge process
- Learning how to calculate the required aeration tank volume (in U.S. units) for a specified volumetric loading, hydraulic residence time, or aeration tank F:M ratio if given suitable aeration tank influent and aeration tank parameter information.
- Learning how to calculate the required aeration tank volume (in S.I. units) for a specified volumetric loading, hydraulic residence time, or aeration tank F:M ratio if given suitable aeration tank influent and aeration tank parameter information
- Learning how to calculate the required activated sludge recycle flow rate, waste activated sludge flow rate, and aeration tank F:M ratio, if given suitable wastewater stream and aeration tank information along with the desired value for the sludge retention time
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