What is Antifreeze?
Antifreeze is a substance used to lower a liquid’s freezing
glycol, the most commonly used antifreeze, is used in automotive
cooling systems, though other types of antifreeze are also used
in windshield-wiper fluids, cleaners, and commercial
Due to the amounts of lead, cadmium, and chromium that could
be found in waste antifreeze, most states restrict its disposal
for businesses. Antifreeze should never be disposed of on land,
in sewers, storm drains, or ditches. With careful handling,
individuals are able to dispose of antifreeze in landfills, but
recycling alternatives are more beneficial for consumers and the
Why Recycle Antifreeze?
Recycling antifreeze is cost efficient, preserves resources,
and prevents contamination of water and wildlife.
recycled antifreeze is less expensive than newly produced
use large amounts of antifreeze can lower management costs by
starting their own recycling program on-site.
amount of virgin antifreeze produce preserves non-renewable
natural gas, which is used to produce ethylene glycol.
The recycling process for antifreeze involves two steps:
contaminants that develop in used antifreeze. Contaminants can
be removed by filtration, distillation, reverse osmosis, or ion
critical properties to filtered antifreeze.
Critical properties are generally restored using
additives or chemicals to stabilize pH, limit corrosion, and
slow the breakdown of ethylene glycol.
There are a variety of recycling options available to both
commercial and individual consumers.
Commercial businesses that frequently use or dispose of
antifreeze could invest in an on-site recycling unit for
units decrease the expense spent on purchasing new antifreeze.
If recycling on-site, be sure to obtain proper disposal
information for any contaminant waste filtered from used
Specialized recycling companies also operate locally and process
waste antifreeze off-site from the business.
Many of these companies also resupply commercial
consumers with recycled antifreeze.
purchasing extended-life antifreeze, which can last up to twice
as long as traditional antifreeze.
Extended-life antifreeze reduces the amount of antifreeze
disposed and decreases the amount of waste produced from use.
manufacturers use propylene glycol, less toxic than ethylene
glycol, as the alternative active ingredient in their
antifreeze. Use of
this alternative chemical reduces the danger posed to humans and
animals, in the event of improper disposal or handling.
Although the unused product is less toxic, waste
antifreeze will still contain contaminants and should be
disposed of accordingly.
Antifreeze Handling &
Consider the following when handling, reusing, or recycling antifreeze.
keep antifreeze in its original container, and keep the
container away from heat,
does not expire. If
storing new antifreeze, consider donating it to a school, shop,
antifreeze with oil or any other liquid or chemical.
antifreeze spills quickly with an absorbent, like kitty litter,
sand, or vermiculite.
liquid directly into the trash.
antifreeze in your vehicle only as needed to avoid unnecessary
antifreeze at local recycling centers, service stations, or
repair garages. Some
If no recycling
options are available, dispose of waste antifreeze properly at a
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