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What Types of Glycol Are Used in Industrial Refrigeration Systems?
Propylene glycol and ethylene glycol are the two types of glycols that are commonly used in industrial refrigeration systems.
Propylene glycol is a non-toxic, food-grade antifreeze that is commonly used in refrigeration systems that require low temperatures, such as in food and beverage processing, medical facilities, and other industrial applications. It has a lower toxicity and higher boiling point than ethylene glycol, which makes it suitable for applications where safety and environmental concerns are a priority.
Ethylene glycol is also used in industrial refrigeration systems, but it is less commonly used than propylene glycol due to its toxicity. Ethylene glycol is a highly toxic substance that is harmful if ingested, and therefore must be handled with care. However, it has a higher heat transfer coefficient than propylene glycol, which makes it more effective at transferring heat.
The choice of glycol used in an industrial refrigeration system will depend on the specific requirements of the application. Propylene glycol is often preferred in applications where safety and environmental concerns are a priority, while ethylene glycol may be preferred in applications where maximum heat transfer efficiency is required.
In addition to propylene and ethylene glycol, other types of glycols such as diethylene glycol, triethylene glycol, and tetraethylene glycol can also be used in industrial refrigeration systems, depending on the specific requirements of the application.
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