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Yellow grease, also termed used cooking oil (UCO), used vegetable oil (UVO), recycled vegetable oil, or waste vegetable oil (WVO), is recovered from businesses and industry that use the oil for cooking.
It is used to feed livestock, and to manufacture . All collections need to be carried out by a company registered as a waste carrier by the Environment Agency. On each collection a
example of a waste transfer note
currently in use by a UK waste cooking oil company.
"Grease Rustlers"
by Susan McCarthy. Salon.com, November 6, 2000. {{DEFAULTSORT:Yellow Grease Vegetable oils Recycling Greases
Yellow grease, also termed used cooking oil (UCO), used vegetable oil (UVO), recycled vegetable oil, or waste vegetable oil (WVO), is recovered from businesses and industry that use the oil for cooking.
It is used to feed livestock, and to manufacture soap
Soap is a salt of a fatty acid used in a variety of cleansing and lubricating products. In a domestic setting, soaps are surfactants usually used for washing, bathing, and other types of housekeeping. In industrial settings, soaps are us ...
, make-up, clothes, rubber, and detergents. Due to competition from these other industrial sectors, the EIA Eia or EIA may refer to:
Medicine
* Enzyme immunoassay
* Equine infectious anemia
* Exercise-induced anaphylaxis
* Exercise-induced asthma
* External iliac artery
Transport
* Edmonton International Airport, in Alberta, Canada
* Erbil Internatio ...
estimates that less than a third of yellow grease could be spared for biodiesel
Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. It is typically made by chemically reacting lipids such as animal fat ( tallow), soybean oil, or some other vegetable oi ...
production annually.
It is distinct from brown grease
A grease trap (also known as grease interceptor, grease recovery device, grease capsule and grease converter) is a plumbing device (a type of trap) designed to intercept most greases and solids before they enter a wastewater disposal system. C ...
; yellow grease is typically used frying oils from deep fryers, whereas brown grease is sourced from grease interceptors.waste transfer note
The Environmental Protection Act 1990 (initialism: EPA) is an Act of the Parliament of the United Kingdom that defines, within England and Wales and Scotland, the fundamental structure and authority for waste management and control of emission ...
needs to the filled out and copies held by both parties for a minimum of 3 years. Waste transfer notes can be hard paper copies or electronic versions. Here is aexample of a waste transfer note
currently in use by a UK waste cooking oil company.
Oil renderers
The recycling of waste cooking oil (aka restaurant grease, used cooking oil or yellow grease) is a process known as “rendering”. During the rendering process fatty acid is separated from the moisture, the solids and any impurities that are present in the waste cooking oil. The rendering of waste cooking oil produces one usable element and several waste elements. Some collectors do their own rendering while others may sell their grease for a lower price to a company with the space and equipment to do so. Refined used cooking oil is what is left after separation of solids and moisture from yellow grease. Refined used cooking oil is the base for producing biodiesel and renewable diesel. Refined used cooking oil then goes through either to transesterification to produce biodiesel or hydrodeoxygenation to produce renewable diesel.See also
* Bioliquids *Biodiesel
Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. It is typically made by chemically reacting lipids such as animal fat ( tallow), soybean oil, or some other vegetable oi ...
*Vegetable oil fuel
Vegetable oil can be used as an alternative fuel in diesel engines and in heating oil burners. When vegetable oil is used directly as a fuel, in either modified or unmodified equipment, it is referred to as straight vegetable oil (SVO) or pure pl ...
*Cooking oil
Cooking oil is plant, animal, or synthetic liquid fat used in frying, baking, and other types of cooking. It is also used in food preparation and flavoring not involving heat, such as salad dressings and bread dips, and may be called edible oil ...
*Vegetable oils as alternative energy
Vegetable oils are increasingly used as a substitute for fossil fuels. Vegetable oils are the basis of biodiesel, which can be used like conventional diesel. Some vegetable oil blends are used in unmodified vehicles, but straight vegetable oil oft ...
* Gutter oil (counterfeit cooking oil)
* Fatberg
Notes
External links
"Grease Rustlers"
by Susan McCarthy. Salon.com, November 6, 2000. {{DEFAULTSORT:Yellow Grease Vegetable oils Recycling Greases