Odor Emissions and Control for Collections Systems and Water Resource Recovery Facilities by Water Environment Federation;

Author:Water Environment Federation;
Language: eng
Format: epub
ISBN: 6216176
Publisher: Water Environment Federation
Published: 2020-08-15T00:00:00+00:00

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For years, WRRF operators have been trained to rely on their senses when evaluating the condition of the facility operations. Of the five senses, sight and smell are used the most, with hearing a distant third. Operators look for deviations from normal conditions by viewing wastewater for color variations, flow velocity, accumulation of surface material (scum, flotables, sludge, etc.), excess bubbling on a quiescent or aerated surface, foam accumulation on aeration tanks, and other abnormalities. The odor released at certain facility locations also reveals variations from the standard operating procedure that a trained operator will smell while doing rounds. Placing covers on these once open channels, tanks, wet wells, and so on substantially restricts the operator from evaluating the operating condition of the facility.

TABLE 6.5 Cover materials of construction comparison.

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