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Briefly describe the types of ventilation systems
My subject is Plant Engineering
Industrial plants typically use one of the two types of ventilation systems:
Advantages of Dilution Ventilation System
It usually involves lower equipment as well as costs.
This system of industrial ventilation is low maintenance.
It is very effective in controlling the low amount of chemical toxicity.
It has proven quite effective in controlling flammable as well as combustible gases.
Disadvantages of the Dilution Ventilation System
While it does remove contaminants from the air, it might not be efficient enough to remove all the contaminants.
Plants producing highly toxic chemicals cannot use this ventilation system.
It is also ineffective for dust, a huge amount of gases as well as vapors.
It requires a huge amount of makeup air to replace the contaminated indoor air.
It is inadequate in handling irregular emissions.
Advantages of Local Exhaust Ventilation
It arrests the pollutants right at the source and exhausts them outdoors.
It is quite efficient in high toxicity environments.
Can adequately control various types of pollutants including dust as well as fumes
Does not require a large amount of makeup air
Utilizes less energy and hence lower in cost too
Disadvantages of Local Exhaust Ventilation
The design, installation as well as equipment cost is high.
Needs to be cleaned regularly along with regular inspections
Is high in maintenance.
Briefly describe the types of ventilation systems My subject is Plant Engineering
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