Difference between revisions of "Water"

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==Usage==
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===Drinking water===
 
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The [[human]] metabolism requires regularly the intake of fresh water. Since water is rare on Mars the [[recycling]] of all excretion is a must. There are two ways: Wastewater can be [[technical wastewater treatment|treated with technical means]], which is partially done on the [[ISS]] already. Alternatively, the water can be kept in a [[water cycle|natural cycle]], using the [[greenhouse]]s.
 
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===Industrial processes===
 
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Many industrial processes considered for a Mars settlement, in particular the production of [[methanol]] and [[methane]], require hydrogen gas. This can be obtained by [[electrolysis]], with oxygen gas as a byproduct.
 
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Most other processes require the use of significant quantities of water as a [[solvent]] for reagents such as [[acid]]s or [[ammonia]].
 
  
 
==Open issues==
 
==Open issues==

Revision as of 08:13, 2 July 2008

Water is a chemical compound consisting of a single oxygen atom bonded to two hydrogen atoms (chemical symbols: H2O). Clean water is essential to almost all known forms of life, and its unique properties make it invaluable for most industrial processes. Although water in the liquid phase is abundant on Earth, its scarcity on Mars make it into a critical resource to be treasured.

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Open issues

  • What is known about the isotope ratio of Martian water?
  • Is the higher deuterium portion a health risk?
  • How will the excess deuterium be filtered out?

External Links

References

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