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''Dispersit SPC 1000'' or ''Dispersit'' is a dispersant used for
oil spill
An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution. The term is usually given to marine oil spills, where oil is released into th ...
s, produced by U.S. Polychemical Corporation.
Composition
It combines a predominantly oil-soluble surfactant (such as polyethylene glycol mono-oleate) with a predominantly water-solublesurfactant
Surfactants are chemical compounds that decrease the surface tension between two liquids, between a gas and a liquid, or interfacial tension between a liquid and a solid. Surfactants may act as detergents, wetting agents, emulsifiers, foaming ...
(such as cocoamide) and a co-solvent for coupling a mixture of the predominantly oil-soluble surfactant and the oil.
Alternatives
Alternative dispersants which are approved by the EPA are listed on theNational Contingency Plan Product Schedule
National may refer to:
Common uses
* Nation or country
** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen
Places in the United States
* National, Maryland ...
and rated for their toxicity and effectiveness.
Deployments
2010 Gulf of Mexico oil spill
Dispersit is unique among U.S.Environmental Protection Agency
A biophysical environment is a biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. A biophysical environment can vary in scale f ...
-rated dispersants in being the only one rated as 100% effective against South Louisiana crude oil, and it is among the least toxic, according to EPA tests. By comparison, Corexit
Corexit (often styled COREXIT) is a product line of oil dispersants used during oil spill response operations. It is produced by Nalco Holding Company, an indirect subsidiary of Ecolab. Corexit was originally developed by the Standard Oil Compan ...
, the oil dispersant used in the Deepwater Horizon oil spill, is rated at 54.7% effective against South Louisiana crude oil and three times as lethal to silverfish and more than twice as lethal to shrimp.
On May 20, US Polychemical Corporation was reported to have received an order from BP for Dispersit SPC 1000
''Dispersit SPC 1000'' or ''Dispersit'' is a dispersant used for oil spills, produced by U.S. Polychemical Corporation.
Composition
It combines a predominantly oil-soluble surfactant (such as polyethylene glycol mono-oleate) with a predominantl ...
. US Polychemical reportedly stated it was able to produce a day in the first few days and increasing up to a day thereafter.{{cite news , url=https://www.nytimes.com/2010/05/21/science/earth/21disperse.html?ref=us , title=Agency Orders Use of a Less Toxic Chemical in Gulf , author=Campbell Robertson and Elisabeth Rosenthal , work=New York Times , date=2010-05-20 , accessdate=2010-05-21
See also
*Corexit
Corexit (often styled COREXIT) is a product line of oil dispersants used during oil spill response operations. It is produced by Nalco Holding Company, an indirect subsidiary of Ecolab. Corexit was originally developed by the Standard Oil Compan ...
* Sea Brat 4
The sea, connected as the world ocean or simply the ocean, is the body of salty water that covers approximately 71% of the Earth's surface. The word sea is also used to denote second-order sections of the sea, such as the Mediterranean S ...
References