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Unique & Efficient Wastewater Treatment Engineering
Industrial Pretreatment |
Process Design, Troubleshooting, and Upgrades Cost Reduction Studies |
Municipal Treatment |
Process Design, Troubleshooting, and Upgrades Biological Nutrient Removal |
Services Wastewater Treatment Engineering, Including: Treatment Plant Assessments Engineering Reports & Project Documents Wastewater Process Design Construction Inspection Plant Specific Operation & Maintenance Manuals Plant Specific Operator Training |
Contact Information Kevin Schrader, P.E. Wastewater Technical Services, LLC HC 1 Box 430 Fairdealing, MO 63939 Phone: 573-857-3068 Email: kevin@wastewatertechservices.com |
Welcome To The WTS Website |
Copyright 2010-2012 Wastewater Technical Services, LLC HC 1 Box 430 Fairdealing, MO 63939 |
Aerated & mixed |
Aeration off for 10 seconds |
Aeration off, but mixed |
The photos above show mixed liquor (activated sludge) in three different states. The aeration method at this plant was diffused, using rotary lobe compressors. The center photo shows the tiny bubbles rising to the surface just after the blowers shut off. You can make out the discrete particals (floc) in the righthand photo that are composed of single and multicell microorganisms and other organic and inorganic materials clumped together and functioning similar to an individual organism. Under magnification each clump is teeming with activity. This plant had been operated very consistently with a target Food to Microorganism Ratio of 0.06 and exhibited what I call "textbook" characteristics, such as no foaming, a fairly low Sludge Volume Index, and a very high quality denitrified effluent. |
The treatment topics and photos presented on this site are changed at about 6 week intervals so please revisit if you're interested in wastewater treatment. |
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