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Environment

Issues related to the circumstances or condition of the earth's natural surroundings.

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Environment > Pollution

mixed liquor volatile suspended solids (MLVSS)

Environment; Pollution

"MVLSS is generally defined as the microbiological suspension in the aeration tank of an activated-sludge biological wastewater treatment plant. The biomass solids in a ...

enhanced biological phosphorus removal (EBPR)

Environment; Pollution

The common element in EBPR implementations is the presence of an anaerobic tank (nitrate and oxygen are absent) prior to the aeration tank. Under these conditions a group of ...

reduced phosphorus

Environment; Pollution

It was termed any phosphorus species with an oxidation state lower than (+5) "reduced phosphorus", including phosphites [hypophosphite P(I) and phosphite P(III)] ...

biological removal of phosphorus

Environment; Pollution

"In the biological removal of phosphorous, the phosphorous in the influent wastewater is incorporated into cell biomass, which is subsequently removed from the process as a ...

haze

Environment; Pollution

"An atmospheric condition marked by a slight reduction in atmospheric visibility, resulting from the formation of photochemical smog, radiation of heat from the ground ...

hydrofluorocarbons

Environment; Pollution

"Used as solvents and cleaners in the semiconductor industry, among others; experts say that they possess global warming potentials that are thousands of times greater than ...

facultative bacteria

Environment; Pollution

"An organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation or anaerobic respiration if oxygen is absent."