Calcium Chloride based dessicant

In summary, the conversation discusses the idea of using solar air conditioning as a dehumidifier by using a suspension of Calcium Chloride and/or Lithium desiccant salt in oil to evaporate water and dry the air. The conversation is inspired by a video and notes that the Relative Humidity (RH) may actually increase due to the refrigerant being humidity itself.
  • #1
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Hello everyone.
I would like to experiment with solar air conditioning, wich may work as a massive dehumidifier.

I have the idea of making a suspension/solution of Calcium Chloride and / or some sort of Lithium dessicant salt in some sort of oil, run between a solar boiler to evaporate water,on the outside, and then, feed that moisture hungry suspension / solution into something like a big oil wet air cleaner, where an electric fan / turbine would cause suction of damp air into the filter, the dessicant fluid would dry it and it would come out of this very dry.

This video has inspired me:
 
Chemistry news on Phys.org
  • #2
Nicely presented, lengthy.

Note though that the Relative Humidity (RH) went UP (lower air temperature with the same amount of water vapor per volume of air).:doh:

Cheers,
Tom
 
  • #3
Yes, it's because the real refrigerant is humidity itself, just tries to fill the void left by what has been absorbed and outward driven by means of this device.
 

Related to Calcium Chloride based dessicant

What is calcium chloride based desiccant used for?

Calcium chloride based desiccants are used primarily for moisture absorption. They help in controlling humidity levels in various environments such as packaging, shipping containers, storage facilities, and industrial applications to prevent damage from moisture.

How does calcium chloride based desiccant work?

Calcium chloride based desiccants work by attracting and trapping moisture from the surrounding air. Calcium chloride is highly hygroscopic, meaning it can absorb water molecules from the air. Once it absorbs moisture, it often dissolves into a liquid brine, effectively removing moisture from the air and lowering the humidity.

Is calcium chloride based desiccant safe to use?

Calcium chloride based desiccants are generally considered safe for most applications. However, they should be handled with care, as the substance can cause skin and eye irritation. It is advisable to use gloves and eye protection when handling calcium chloride desiccants, and to follow any safety instructions provided by the manufacturer.

How long does calcium chloride based desiccant last?

The lifespan of a calcium chloride based desiccant depends on various factors, including the level of humidity in the environment and the amount of desiccant used. Under typical conditions, they can last anywhere from a few weeks to several months. Once the desiccant has absorbed its maximum capacity of moisture, it will need to be replaced.

Can calcium chloride based desiccant be reused?

Unlike some other types of desiccants, calcium chloride based desiccants are generally not reusable. Once they have absorbed moisture and turned into a liquid brine, they cannot be regenerated or dried out for further use. It is typically more practical to replace them with new desiccant material.

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