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Questions and Answers
What is typically done with solids removed from the primary treatment?
What is true about total wastewater solids?
What are bacteria which cause diseases in humans generally called?
What depletes oxygen when organic wastes are discharged into receiving waters?
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Which step comes after Step 2 in the ordered steps related to wastewater solids treatment?
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What controls the heavy metals in the plant influent flow according to â’¸40 CFR Part 503 regulations?
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What is a sewer system designed to transport only wastewater from homes, industries, institutions, and businesses called?
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What is NOT an ordered step related to wastewater solids treatment?
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What is the surface area in sq. ft of the circular clarifier with a circumference of 283 ft?
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What is the equivalent concentration in mg/l of a 6.35% solution?
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What is the first step in wastewater treatment that involves collecting and transporting wastewater to the treatment plant?
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Which process removes organic matter as part of the biological process in wastewater treatment?
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What is the first step in wastewater treatment at the plant where coarse material is removed?
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Which step involves separating settleable and floating solids in wastewater?
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What treatment process involves the treatment of solids removed from Primary and Secondary treatment processes for ultimate disposal?
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What is NOT a step related to wastewater solids treatment?
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Study Notes
Wastewater Treatment Process
- Solids removed from primary treatment are typically dewatered, thickened, or stabilized.
- Total wastewater solids include all the solids present in wastewater, including suspended and dissolved solids.
Pathogenic Bacteria
- Bacteria that cause diseases in humans are generally called pathogenic bacteria.
Oxygen Depletion
- Organic wastes discharged into receiving waters deplete oxygen through the process of decomposition.
Wastewater Solids Treatment
- The step that comes after Step 2 is thickening or stabilization.
- The regulations that control heavy metals in plant influent flow are â’¸40 CFR Part 503.
Sewer System
- A sewer system designed to transport only wastewater from homes, industries, institutions, and businesses is called a sanitary sewer system.
Excluded Step
- The step that is NOT an ordered step related to wastewater solids treatment is recycling.
Clarifier Geometry
- The surface area of a circular clarifier with a circumference of 283 ft is 39,696 sq.ft.
Concentration Conversion
- A 6.35% solution is equivalent to a concentration of 63,500 mg/l.
Initial Wastewater Treatment
- The first step in wastewater treatment involves collecting and transporting wastewater to the treatment plant through a process called conveyance.
Biological Process
- The process that removes organic matter as part of the biological process in wastewater treatment is biooxidation.
Preliminary Treatment
- The first step in wastewater treatment at the plant involves removing coarse material through a process called preliminary treatment.
Primary Treatment
- The step that involves separating settleable and floating solids in wastewater is primary treatment.
Solids Treatment
- The treatment process that involves the treatment of solids removed from primary and secondary treatment processes for ultimate disposal is sludge treatment.
Excluded Step
- The step that is NOT a step related to wastewater solids treatment is power generation.
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Description
Test your knowledge of wastewater treatment with these multiple-choice questions. Explore topics such as primary treatment, wastewater solids, bacteria in wastewater, and oxygen depletion in receiving waters.
