Caption: Overview of secondary aeration tanks at sewage treatment plant in Ohio. Air is pumped into the water to promote the growth of bacteria, protozoa, rotifers, nematodes, and other microorganisms which eat organic material and help break it down. Sewage treatment is a multi-stage operation that includes physical, chemical, and biological processes to remove contaminates from water.

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Keywords: aeration, aerobic, bacteria, biological, biosolids, contaminant removal, metazoa, metazoans, microorganisms, nematodes, protists, protozoa, rotifers, secondary tank, sewage treatment, treatment plant, waste water, wastewater

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Wastewater treatment plant

K003/6858 Rights Managed

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Duration: 00:00:26.12

Frame size: 1920x1080

Frame rate: 29.97

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Capture format: DSLR - AVCHD

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