Enthalpy measurement of coal-derived liquids. Combined quarterly technical progress reports, October-December 1979 and January-March 1980. [107 references; detection and quantification of effect of association]

Technical Report · Mon Dec 31 23:00:00 EST 1979

OSTI ID:5112461

Kidnay, A J; Vesavage, V F

A survey of the existing methods for detecting and quantifying the effect of association, owing to hydrogen-bonding, resulted in the selection of viscosity measurements and cryoscopic molecular weight determinations as the two techniques most suitable for determining the effect of association. Viscosity measurements from 70/sup 0/ to 190/sup 0/F and at atmospheric pressure were made on 8 pure compounds and 7 coal liquids. The accuracy of the measurements was determined to be within +-5% of the measured value. Viscous enthalpies were then calculated using the above data and effective molecular weights determined.

• Research Organization: Colorado School of Mines, Golden (USA)
• DOE Contract Number: AC22-79ET13395
• OSTI ID: 5112461
• Report Number(s): DOE/ET/13395-3/4
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010405 -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010600* -- Coal
Lignite
& Peat-- Properties & Composition
CHEMICAL BONDS
COAL LIQUEFACTION
COAL LIQUIDS
CORRELATIONS
DATA
ELEMENTS
ENTHALPY
EXPERIMENTAL DATA
FLUIDS
HYDROGEN
INFORMATION
INFRARED SPECTRA
LIQUEFACTION
LIQUIDS
MEASURING METHODS
MOLECULAR WEIGHT
NONMETALS
NUMERICAL DATA
PHYSICAL PROPERTIES
SPECTRA
STRUCTURAL MODELS
TEMPERATURE DEPENDENCE
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES
VAPOR PRESSURE
VISCOSITY