# How much liquid water can be produced through condensation in one day

1. Jan 27, 2012

### pmg7p

I am working on a desalinization project and need technical advice. These are the basics:

If I have a 1,000 sq ft pool of heated water, covered with a chilled baffle, then enclosed in a greenhouse, how much liquid water can I produce through condensation in one day?

Any ideas or feedback would be helpful.

Thanks,

Rick Mannoia

Last edited by a moderator: Jan 27, 2012
2. Jan 27, 2012

### Drakkith

Staff Emeritus
There isn't enough information. Whats the average temperature of the water and the baffles?

3. Jan 27, 2012

### pmg7p

Water will run through black pipe and solar heated.
Baffels would be cooled with running water.
This entire unit would be encased in a green house.
I am looking for an IDEA of the amount of liquid possible. Any input or questions would be helpful.
Thanks,
Rick Mannoia

4. Jan 27, 2012

### technician

only order of magnitude numbers but: If the energy available is solar energy then you have about 1kW/m^2 (depends where you live)
The latent heat of vaporisation for water is 2.3 x 10^6J/kg and so with 100kW of available energy water would evaporate at a rate of 100kW/2.3x10^6 kg/sec
ie about 0.04kg/sec that is 40 grams per second.which is about 144kg per hour
Obviously your available power will have an impact on this calculation but I hope it helps.

Last edited: Jan 27, 2012
5. Jan 27, 2012

### pmg7p

The water would be heated from black pipe, similar to solar water heater for a swimming pool, and the metal baffle would have running chilled water continuing to keep it cool. The entire unit, 10 x 100 feet would be in a compact green house maximizing humidity.

Wouldn’t the fact that the baffle is cooled accelerate condensation?

If this unit were in a very hot environment; Africa, India, how many gallon per day could it produce?

Rick