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Workshop 1: Activated Sludge Plant Design, Operations and Troubleshooting November 6 - 8 , 09:00-17:00 (duration 3 days)
* Includes SASSPro V2 SE wastewater software Advanced biological wastewater treatment plays a pivotal role in maintaining environmental quality. In recent years, the design, operation and troubleshooting of these often complex systems has been assisted by the development of process simulation software which has also had a major impact the training of engineering students, process operators, designers and managers in conjunction with traditional learning methods. The Activated Sludge Workshops on Plant Design, Operations and Troubleshooting were developed for design engineers, operators and managers of activated sludge plants. The workshop material integrates and overviews the basis of domestic and industrial processes, and covers common treatment plant issues.Topics include strategies for toxicity, nutrient control, nitrification / denitrification / Phosphorus-removal/ aeration, clarifier performance, bulking foaming and sludge separation problems as well as the role of selectors, external carbon addition and prefermentation. A feature of the workshops will encourage you to evaluate/troubleshoot/optimize your treatment system. During the workshop, time will be spent by participants reviewing and analyzing their plant data, identifying deficiencies and developing strategies to address day to day operational issues. Wastewater process software will be used to compare and to streamline plant processes. Topics specific to successful activated sludge operations will be emphasized, including problem identification and solving, strategies for process optimization and upgrade paths . At the end of the workshop, participants will take away well developed strategies to improve/optimize plant performance. As an added extra microscopic floc assessments on your plant biomass including filament identification will be conducted during the workshop to provide a more detailed view of the process status.Workshop Overview Activated Sludge Workshops on Plant Design, Operations and Troubleshooting are structured around a series of separate presentations which deal with the basis of wastewater processes (process kinetics, stoichiometry, mass balances, nutrient control, nitrification / denitrification / Phosphorus-removal/ aeration, clarifier performance, sludge separation problems as well as the role of selectors, external carbon addition and prefermentation). Accompanying the presentations, interactive exercises and case studies form a major part of the course. The computer program SASSPro V2 will be introduced as a tool for learning about activated sludge processes through modelling. SASSPro, developed by Science Traveller International, is a powerful, but user friendly way of looking inside activated sludge processes and several short exercises will be performed to become familiar with its broad application. As the workshops progress participants will also become familiar with its graphical representation of activated sludge unit processes, procedures for characterisation of wastewater and sludge and the protocol for the development of calibrated activated sludge models. Case studies and interactive exercises using the modelling of wastewater treatment plants as a means of understanding and optimizing the sub-processes will be presented. Processes available for examination include fully aerobic (conventional), nitrogen removal processes Modified Ludzack-Ettinger (MLE), Wuhrman, 4-stage Bardenpho, RDN and step feed (spatial alternation). Nitrogen and phosphorus removal processes include, A2/O or 3-stage Phoredox, UCT (VIP), MUCT and Step Bio-P. The introduction of external carbon addition in the nitrifying/denitrifying processes (pre- and post-denitrification processes) will be reviewed as will the use of prefermentation to augment phosphorus removal. The workshops offer participants the opportunity to engage in an intensive and rewarding learning experience which will produce concrete benefits. Workshop #1.1 An Introduction to Activated sludge and Activated Sludge Processes Overview of process simulation. General models for activated sludge Workshop #1.2 Wastewater overview Control of the Activated Sludge Process Overview of Activated sludge sub-processes Design Parameters. Nutrients and Nutrient limitation Process Control parameters and strategies Conventional and advanced process monitoring Clarifiers and sludge separation Workshop #1.3 Aerobic processes 1 Solids growth Aeration control, DO and ORP Nitrification Workshop #1.4 Non-Aerated processes Anoxic Processes: requirements, interferences and control Denitrification: primary and secondary, external carbon addition Non-aerated Process requirements, interferences and control RBCOD and VFA: Prefermentation P release and carbon storage Workshop #1.5 Aerobic Processes 2 Phosphorus Uptake in Activated sludge Clarifier operation, State point graphical representation of Clarifiers SVI and SSVI as means of establishing sludge settling characteristics Control of filaments. The use of selectors Workshop #1.6 Evaluation and optimization of selected processes Potential upgrade paths Advantages and disadvantages of selected processes Who should attend? The workshops will have significant value to engineers and wastewater professionals who manage, operate, or design activated sludge treatment processes. Extensive workshop material, key research publications and Powerpoint files are provided, including hard copy and electronic formats on CD and online. The participants will be encouraged to maintain contact with each other and the presenters after the workshop in an on-line community established by the workshop developers which will assist in maintaining the skills developed during the workshop. Certificates will be given to registrants completing the workshop. A sample of your plant sludge will also be required. Collect a fresh 5mL sample of mixed liquor and/or foam in a 20mL
plastic container to allow plenty of airspace. Ensure container is tightly capped, and
labelled. Mixed liquor and foam should be stored separately. Keep samples cold with an
ice pack during storage/transportation. Workshop Registration Registrations close 15th October. Places are strictly limited and late registrations may be subject to an additional $100 booking fee. |
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