Question

The process of bringing the water in contact with fresh air is known as
Screening
Filtraion
Aeration
Osmosi​

Answer 1

Answer:

Direct evaporative cooling (open circuit) is used to lower the temperature and increase the humidity of air by using latent heat of evaporation, changing liquid water to water vapor. In this process, the energy in the air does not change.

Explanation:

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Answer 2

The process is Aeration

• It is the standard method of circulating stable air through, mixing it with or dissolving it in a liquid or solid.
• By typically exposing droplets or thin sheets of sufficient water to the air, or by properly introducing tiny bubbles of air and allowing them to gently rise through the water, aeration puts water and air into direct contact.
• It erodes metals including iron, hydrogen sulfide, and volatile organic compounds as well as removing dissolved gases.