Monoethylene glycol (MEG) has a variety of industrial applications, most prominently in the production of polyester and as a coolant/antifreeze.
Key Uses of MEG
Here's a breakdown of the primary applications of MEG:
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Polyester Production:
- MEG is a crucial ingredient in manufacturing polyester fibers, which are used extensively in clothing and fabrics.
- It's also essential for producing polyethylene terephthalate (PET) resin, the material widely used for making plastic bottles.
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Coolant and Antifreeze:
- MEG is used as a coolant in various applications due to its ability to lower the freezing point and raise the boiling point of water.
- It serves as an antifreeze in automotive cooling systems, preventing damage from freezing temperatures.
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Heat Transfer Agent:
- MEG functions as a heat transfer fluid in various industrial processes.
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Hydrate Inhibitor:
- In gas pipelines, MEG is used to inhibit the formation of hydrates, which can cause blockages and disrupt flow.
In summary, MEG is primarily used in the production of polyester and PET, but it also serves vital roles as a coolant, antifreeze, heat transfer agent, and hydrate inhibitor.
