Fresh water: Difference between revisions

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Collect in watertight containers from any of the sources above.
Collect in watertight containers from any of the sources above.
==Purification==
==Purification==
* Filtration is often the first step
===Removal of biological contaminants===
* Flocculation and another filtration may follow.
* Filtration
* [[Distillation]] is the primary method of water purification, but a distillation rate of 2 (0.05ml) drops per second gives  0.1ml/s. This would require 3H20m per liter.
* Ultraviolet irradiation
* Chlorination
===Removal of insoluble particulates===
* Settling
* Filtration
* Flocculation and another filtration
===Removal of chemical contaminants===
* Addition of soluble iron III and aluminum III (chlorides, nitrates, and to a certain degree sulfates) can remove many common anions (hydroxides and carbonates)
* [[Distillation]] is an expensive but highly effective method of water purification, but a distillation rate of 2 (0.05ml) drops per second gives  0.1ml/s. This would require 3H20m per liter.


==See Also==
==See Also==

Latest revision as of 17:46, 5 December 2019

Fresh water is a Naturally Occurring, Widely Available material. It is by definition a legitimate source material for this project. It is water obtained from the natural environment with a sufficiently low salt content (0.5g/L) that it is not considered salt water. This does not imply that it is safe to drink.

Uses

Primary

Natural occurrence

{{#evt: service=youtube |id=https://www.youtube.com/watch?v=MUPgSTUxcxU |alignment=right |dimensions=320x200 }} Fresh water can be obtained from many sources:

  • Groundwater (springs and wells) is generally fresh water.
  • Fresh Water occurs naturally as both rain and dew, as well as snow, sleet, and hail.
  • Generally flowing water is fresh, so rivers and streams are good sources of fresh water
  • Lakes usually contain fresh water
  • Structural water occurs in many minerals. (e.g. Epsomite)
  • Many plants contain an abundance of fresh water.

Hazards

  • Drowning
  • Overconsumption (>= 2L/hr for multiple hours when normally hydrated) can lead to hyponatremia
  • Contaminated water can contain many pathogens

Production

Collect in watertight containers from any of the sources above.

Purification

Removal of biological contaminants

  • Filtration
  • Ultraviolet irradiation
  • Chlorination

Removal of insoluble particulates

  • Settling
  • Filtration
  • Flocculation and another filtration

Removal of chemical contaminants

  • Addition of soluble iron III and aluminum III (chlorides, nitrates, and to a certain degree sulfates) can remove many common anions (hydroxides and carbonates)
  • Distillation is an expensive but highly effective method of water purification, but a distillation rate of 2 (0.05ml) drops per second gives 0.1ml/s. This would require 3H20m per liter.

See Also

References