The products produced by this facility are used by refiners to increase octane values in … The United States still produces MTBE, but mainly for the export market or for blending into gasoline for export. The ethers of ethylene glycol are used as solvents and plasticizers. The higher the octane number, the more compression the fuel can withstand before detonating. Enterprise owns and operates an octane enhancement production facility located in Mont Belvieu, Texas that is designed to produce isobutylene and either isooctane or methyl tertiary butyle either ("MTBE"). The possible adverse effects of MTBE on human health are of major public concern. MTBE is still widely used as an octane booster in motor gasoline in Europe, the Middle East, Africa, and Asia. MTBE started getting added to gasoline in a big way after the Clean Air Act of 1990 went into effect. Octane rating or octane number is a standard measure of the performance of a motor fuel or aviation fuel. Methyl tert-butyl ether (MTBE) is widely used as gasoline oxygenate and octane number enhancer for more complete combustion in order to reduce the air pollution caused by motor vehicle exhaust. Nomenclature of ethers Motor vehicles require a minimum octane level to operate properly. It is used to raise octane levels. The higher an octane number, the more stable the fuel. Phase-Out of MTBE 20 REQUIRED PROPERTIES OF FUEL BLENDING COMPONENTS 21 Performance Criteria 21 Gasoline Emissions Criteria 21 ... (78 research octane number [RON], 75 motor octane number [MON]). Other compound such as Ethyl Tertiary-Butyl Ether (ETBE) and methanol are also expected to experience moderate demand from the market during the forecast period from 2016 to 2022. Methyl t-butyl ether (MTBE) is a gasoline additive that boosts the octane number and reduces the amount of nitrogen-oxide pollutants in the exhaust. The main problem with MTBE is that it is thought to be carcinogenic, and it mixes easily with water.If gasoline containing MTBE leaks from an underground tank at a gas station, it can get into groundwater and contaminate wells. Octane rating/octane number. Gasoline can contain as much as 10% to 15% MTBE. Methyl Tertiary Butyl Ether (MTBE) is added to gasoline for a number of different reasons. However, MTBE is not as efficient as leadalkyl compounds as far as the specific octane number improvements are concerned. Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level: Regular (the lowest octane fuel–generally 87) Midgrade (the middle range octane fuel–generally 89–90) Premium (the highest octane fuel–generally 91–94) Today, octane environment to take the place of MTBE. As a result, the use of MTBE as an oxygenate in gasoline ceased in Japan in 2001 and in the United States and Canada in 2006. 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