Effect of Orimulsion{reg_sign} physical properties and chemical composition on its behavior in water
Conference
·
OSTI ID:462545
- Bitumenes Orinoco, S.A., Caracas (Venezuela)
Orimulsion{reg_sign} is the trade name given to a bitumen in water, 70:30, emulsion stabilized by a nonionic surfactant and used in industrial burners and power plants as a fuel. This paper summarizes the physical properties and chemical composition of Orimulsion{reg_sign} and their effect on the self dispersing properties of the product and its behavior in water. Also, the solubility and evaporation of the light hydrocarbon fraction from the bitumen, and the toxicity and biodegradation of the fuel are discussed. Salinity of the water affects the HLB of the surfactant and the stability of the bitumen droplets making them susceptible to coalesce. BTEX content of the bitumen was determined to be relatively low, an advantage in terms of its contribution to toxicity, when compared to other similar fuels (i.e., Fuel Oil No. 6). Because of the nature of the hydrocarbons components in the bitumen, biodegradation is estimated to be around 10% of the total bitumen fraction of the formulation. Detailed chemical characterization of each one of the constituents of the Orimulsion{reg_sign} formulation will be presented.
- OSTI ID:
- 462545
- Report Number(s):
- CONF-961149--
- Country of Publication:
- United States
- Language:
- English
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