Questions tagged [water-resources]

80 questions
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What development possibilities could yet exist in water desalination?

I am thinking mainly in $\frac{kWh}{m^3}$ and $\frac{\$}{m^3}$. In the past some decades a wide range of surprisingly efficient water desalination plants were built, mainly in desert regions (Middle East). These plants use reverse osmosis via a…
peterh
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Is there a way to make water rise from 1'st to 2'nd floor?

I want to have water source on the 2'nd floor of our house so I can wash stuff there without going down to our 1'st floor... Is there a way to make water rise from 1'st to 2'nd floor?
m0Onfang
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Why does tap water in New York remain 50 to 60°F year round?

Throughout last few weeks in NYC, cold water temperature is 50 - 52°F. And no, it is not drawn from ground water resorvoir.
Vortex
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Why do forward osmosis membranes face less scaling?

Forward osmosis (FO) is an osmotic process that, like reverse osmosis (RO), uses a semi-permeable membrane to effect separation of water from dissolved solutes. The driving force for this separation is an osmotic pressure gradient, such that a…
mart
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How can I set up a reverse osmosis water system to use a pressure tank?

Most home reverse osmosis water systems use a low pressure bladder type tank that has 5-10 PSI. That way the back pressure on the RO system is not too high. I want to use a glass-lined tank of the type used for people with well water and have it…
Wallace Park
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Is it possible to create a sub-surface pond?

Has anyone designed a pond that extends beyond its surface perimeter? Example cross section: brown - existing surface (or brought to grade) black - designed pond blue - capacity
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How does water sink works?

How does water sink works? I tried to do the same thing but the water just stayed:
m0Onfang
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Dew point and raining

I recently learned about dew point and rain. From my understanding, dew point is the temperature at which the air can hold the amount of moisture present. And when the temperature decrease, the air can hold less moisture, so some of it must…
Kwun
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