| | | | | | What are mercaptans and what's the difference between methyl and ethyl mercaptans? Are they harmful to humans and what smells do they admit? |
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| | | | What is wastewater odor, how is it controlled, and how are noxious sewer odors regulated? |
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| | The basics of wastewater treatment lagoons, why they are used, and how to maintain them. |
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| | Extended aeration is part of an activated sludge process resulting in mixed liquor in which oxygen is used for wastewater treatment. |
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Your May/June 2024 issue of Wastewater Digest is now available online. View >>
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