Water

Water

Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.

Industry: Natural environment

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Water

end-of-pipe techniques

Natural environment; Water

Techniques for water purification that serve the reduction pollutants after they have formed.

jet stream

Natural environment; Water

A long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 miles per hour.

primary treatment

Natural environment; Water

mechanical treatment in which large solids are screened out and suspended solids in the sewage settle out as sludge. Compare secondary treatment, tertiary treatment.

toilet displacement device

Natural environment; Water

Object placed in a toilet tank to reduce the amount of water used per flush; for example, weighted plastic jugs filled with water or toilet dams that hold back a reservoir of water when the toilet is ...

enrichment

Natural environment; Water

The addition of nutrients (e.g. nitrogen, phosphorus, carbon compounds) from sewage effluent or agricultural runoff to surface water, greatly increases the growth potential for algae and other ...