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Package Plants for Wastewater Technology


Quiz Questions

1. Package plants are pre-manufactured treatment facilities used to treat wastewater in small communities or on individual properties.
True
False
2. The most common types of package plants are extended aeration plants, sequencing batch reactors, oxidation ditches, contact stabilization plants, rotating biological contactors, and physical/chemical processes.
True
False
3. Extended aeration systems are typically manufactured to treat wastewater flow rates between _________________.
0.002 to 0.1 MGD
0.02 to 0.1 MGD
4. Sludge wasting is an important step in the sequencing batch reactors process and largely affects system performance.
True
False
5. Package extended aeration plants are typically constructed from iron.
True
False
6. Oxidation ditches can be noisy due to mixer/aeration equipment, and tend to produce odors when not operated correctly.
True
False
7. The capital cost per capita for small Sequencing Batch Reactors (SBR) plants is ___________ than for large SBR plants.
Lesser
Greater
8. The Harrah wastewater treatment plant in Oklahoma treats an average wastewater flow of 0.223 MGD.
True
False
9. The key components of a typical ___________________ include a screening device, an influent distributor, a basin or channel, aeration devices, a settling tank or final clarifier and an RAS system.
Oxidation ditch
Sequencing Batch Reactor
10. Extended aeration processes are often better at handling organic loading and flow fluctuations, as there is a greater detention time for the nutrients to be assimilated by microbes.
True
False

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