Analytical distillation-curve types correlations interconvert
New analytical correlations to convert among ASTM, TBP, EFV, and simulated distillation (SD) curves at atmospheric pressure are presented. The proposed correlations are simple to use and comparable in accuracy to the existing graphical methods. The two most used distillation procedures for characterizing petroleum fractions are the ASTM (American Society for Testing and Materials) and the true boiling point (TBP) methods. Both are analytical in nature and define volatility characteristics of petroleum and other complex mixtures. Both are batch distillations which differ mainly in the degree of fractionation obtained during distillation. Atmospheric ASTM distillations are run in an Engler flask. No packing is employed, and reflux results only from heat losses through the neck of the flask. ASTM distillations are more widely used than TBP distillations because the former are simpler, less expensive, require less sample, and require only approximately one-tenth as much time. Furthermore, ASTM distillations are standardized, whereas TBP distillations vary somewhat in procedure are apparatus.
- Research Organization:
- Pennsylvania State Univ., University Park, PA
- OSTI ID:
- 5212509
- Journal Information:
- Oil Gas J.; (United States), Vol. 84:34
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
DISTILLATION
CORRELATIONS
SIMULATION
PETROLEUM FRACTIONS
ACCURACY
ATMOSPHERIC PRESSURE
BOILING POINTS
DIAGRAMS
FRACTIONATION
FUEL OILS
GAS OILS
GASOLINE
HEAT LOSSES
KEROSENE
NAPHTHA
STANDARDS
THERMOMETERS
VOLATILITY
COAL TAR OILS
DISTILLATES
ENERGY LOSSES
ENERGY SOURCES
FOSSIL FUELS
FUELS
LIQUID FUELS
LOSSES
MEASURING INSTRUMENTS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
SEPARATION PROCESSES
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
020400* - Petroleum- Processing