API PUBL 4531-1991

$20.15

Chemical Fate and Impact of Oxygenates in Groundwater: Solubility of BTEX from Gasoline-Oxygenate Mixtures

Published By	Publication Date	Number of Pages
API	1991	111

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Description

Aromatic hydrocarbons such as benzene, toluene, ethylbenzene, and xylenes (termed BTEX as a group) are the most water-soluble, mobile, and among the most potentially harmful hydrocarbons found in gasoline. Benzene, the most soluble of these compounds, has a volubility of about 1800 mg/L when present in pure form. Benzene makes up less than 5% (v/v) of most gasolines, hence the maximum benzene concentration in waters affected by gasoline should be less than 90 mg/L. This relatively low volubility could be dramatically increased if a water-soluble cosolvent is present in the gasoline.

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