In which unit operation, gases are released or absorbed in water?a)Gas...
Explanation: In Gas transfer, gases are released or absorbed in water by exposing the water through aeration under normal, increased or reduced pressure.
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In which unit operation, gases are released or absorbed in water?a)Gas...
Gas Transfer Operation:
Gas transfer is a unit operation in which gases are released or absorbed in water. This process involves the transfer of gases between a gas phase and a liquid phase, such as water.
Gas transfer can occur through various mechanisms, such as diffusion, convection, and mass transfer. The driving force for gas transfer is the difference in concentration of the gas between the two phases.
Gas transfer is an important operation in various industries, such as wastewater treatment, air pollution control, and food processing. In wastewater treatment, for example, gas transfer is used to remove harmful gases, such as ammonia and hydrogen sulfide, from wastewater before it is discharged into the environment.
In gas transfer operations, equipment such as gas absorbers, scrubbers, and aeration tanks are used to facilitate the transfer of gases between the gas and liquid phases. These systems provide a large surface area for the contact between the gas and liquid phases, allowing for efficient transfer of gases.
Overall, gas transfer is a crucial unit operation in various industrial processes where the release or absorption of gases in water is required for environmental protection, product quality, or process efficiency.