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Language: English Polish Portuguese
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Training Time: 13 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, Portuguese, Polish
Wastewater treatment is the process of removing contaminants from polluted water. Polluted water can come from municipal, agricultural or industrial processes.This module describes the pretreatment and primary treatment stages of wastewater treatment, and how those stages affect one of the most common pollutants, high concentrations of organic waste.
Construction Site Stormwater Runoff Control
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Process Safety Management
Cooling and Chilled Water Systems
Process Sewers and Effluent Collection
Wastewater - Secondary Treatment
The following key questions are answered in this module:
What are some common pretreatment processes applied to municipal effluent?Common pretreatments include screening, grit settling and combination.
What is the primary physical process occuring in a primary clarifier?A primary clarifier gives the solid particles in an effluent stream to settle out of the main stream by gravity.
What are the effects of discharging water with high levels of organic materials into a natural river or stream?High levels of organic material in a stream will reduce the levels of oxygen in the water, leading to reduced fish populations.
What happens to the sludge collected in primary clarifiers.?Depending on the makeup of the sludge from primary clarifiers, it can be sent to landfill, further broken down in an anaerobic digester, or dried and burned.
Where does treated water typically exit a clarifier?Clarified water typically overflows and exits near the top of a clarifier.
Below is a transcript of the video sample provided for this module:
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