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・ Coreura engelkei
・ Coreura euchromioides
・ Coreura fida
・ Coreura interposita
・ Coreura lysimachides
・ Coreura phoenicides
・ Coreura simsoni
・ Coreura sinerubra
・ Coreus
・ Coreus marginatus
・ Corex
・ Corex (disambiguation)
・ Corex (geological analysis)
・ Corex Process
・ Corexcel
Corexit
・ Corey
・ Corey Adams
・ Corey Adamson
・ Corey Allen
・ Corey Allmond
・ Corey and Trina
・ Corey Anderson
・ Corey Anderson (fighter)
・ Corey Ashe
・ Corey Barnes
・ Corey Beaulieu
・ Corey Beck
・ Corey Bell
・ Corey Belser


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Corexit : ウィキペディア英語版
Corexit

Corexit〔http://lmrk.org/corexit_9500_uscueg.539287.pdf〕 (often styled COREXIT)〔(COREXIT® Technology - Nalco Company )〕 is a product line of oil dispersants used during oil spill response operations. It is produced by Nalco Company, associated with BP and Exxon and an indirect subsidiary of Ecolab. Corexit was originally developed by the Standard Oil Company of New Jersey. Corexit is typically applied by aerial spraying or spraying from ships directly onto an oil slick. On contact with the dispersant, oil that would otherwise float on the surface of the water is emulsified into tiny droplets and sinks or (in the unusual case of sub-surface application) remains suspended in the water. In theory this allows the oil to be more rapidly degraded by bacteria (bioremediation) and prevents it from accumulating on beaches and in marshes.〔Davies, L.; Daniel, F.; Swannell, R.; Braddock, J. Biodegradability of Chemically-dispersed Oil. Report produced for the Minerals Management Service (MMS), Alaska Department of Environmental Conservation (ADEC) and the United States Coast Guard (USCG). March 2001. http://dec.alaska.gov/spar/perp/r_d/aeat.pdf (accessed May 7, 2012)〕〔〔
Corexit was used in unprecedented quantities during the 2010 Deepwater Horizon oil spill in the Gulf of Mexico〔 and became the largest use of such chemicals in the United States.〔(【引用サイトリンク】url=http://www.scientificamerican.com/article/is-using-dispersants-fighting-pollution-with-pollution/ )〕 In addition to spraying the dispersant onto the surface slick, it was used in an untested, off-label manner when BP injected it at the broken well-head, roughly 5,000 feet below the surface. Researchers continue to examine the effects and effectiveness of Corexit. Studies have so far indicated that the dispersant is toxic to marine life. Corexit has been shown to exert a synergistic effect when mixed with oil, increasing its toxicity.〔(GT | Newsroom - Gulf of Mexico Clean-Up Makes 2010 Spill 52-Times More Toxic )〕
== Ownership ==
Corexit was originally developed by the Standard Oil Company of New Jersey (SONJ) also known as Esso (phonetically derived from the acronym SO).〔 The company later merged with Humble Oil to form Exxon, which is now part of ExxonMobil.
In 2011, Corexit became the property of Ecolab, following a merger between Ecolab and Nalco Holding Company. As of 2015, Corexit is owned by Ecolab and is manufactured by Nalco Company, an indirect subsidiary of Ecolab.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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