- Triethylene glycol
is a straight-chain dihydric alcohol aliphatic compound terminated on
both
ends by a hydroxyl group. It is a clear, practically colorless and
odorless, hygroscopic liquid at room temperature. -
Triethylene glycol is
used as a dehydrating agent for natural gas; a solvent and
lubricant in textile dyeing and printing; a plasticizer; a raw material
for the production of
polyester resins and polyols; a humectant; a constituent of hydraulic
fluids; a selective
solvent for aromatics -
Triethylene glycol (TEG)
are obtained as coproducts in the manufacture of MEG from ethylene
oxide.
- DEG and TEG are
obtained as coproducts in the manufacture of MEG from ethylene oxide.
Not all MEG producers recover DEG and TEG; some recover and sell glycols
above MEG as unspecified polyglycols. In addition, TEG can be produced
by the reaction of ethylene oxide with DEG. U.S. and Japanese producers
often supplement coproduct TEG supply using this method.
-
The current global TEG
supply/demand is tight and may continue to be so because of the high
capital cost for higher glycol refining and manufacturing processes
without higher glycol coproducts.
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Report
Ethylene Glycol from Ethylene
Oxide
Method for Detecting and Quantifying
Triethylene Glycol
Guide -The feasibility study for the production
of ethylene glycol
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