Report on some thermodynamic data for desulfurization processes
Tables are presented here of values of thermochemical properties and processes at 298.15/sup 0/K for some substances of interest to DOE for flue-gas desulfurization. The substances covered are: (1) the aqueous ions: OH/sup -/, SO/sub 3//sup -2/, HSO/sub 3//sup -/, SO/sub 4//sup -2/, HSO/sub 4//sup -/, CO/sub 3//sup -2/, HCO/sub 3//sup -/, H/sup +/, Mn/sup +2/, Fe/sup +2/, Mg/sup +2/, Ca/sup +2/, Na/sup +/, and K/sup +/, and (2) solid, liquid, aqueous, and gaseous compounds or species formed from these ions. The tables contain the following: (1) the thermochemical property values, enthalpy of formation, ..delta../sub f/H/sup 0/, Gibbs energy of formation, ..delta../sub f/G/sup 0/, entropy, S/sup 0/, and heat capacity, C/sub p//sup 0/ all at 298.15/sup 0/K, as well as the enthalpy difference between 298.15 K and O/sup 0/K, H/sup 0/-H/sup 0//sub 0/, for the basic species cited above, (2) the predicted values for ..delta..H/sup 0/, ..delta..G/sup 0/, ..delta..S/sup 0/, and ..delta..C/sup 0//sub p/ as well as log K (equilibrium constant) for the processes, or reactions, of importance to DOE, calculated from (1), and (3) the property values, phi/sub L/, the relative apparent molar enthalpy, ..gamma../sub +-/, the mean ionic activity coefficient, and phi, the osmotic coefficient, for the binary aqueous systems at 298.15/sup 0/K, all as a function of concentration. Some documentation for (2) and (3) is provided. All of the values given are consistent with the NBS TN 270 Series.
- Research Organization:
- National Bureau of Standards, Washington, DC (USA). Center for Chemical Physics
- DOE Contract Number:
- AI22-80MC14004
- OSTI ID:
- 5587145
- Report Number(s):
- NBSIR-81-2345; ON: DE84000505
- Country of Publication:
- United States
- Language:
- English
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CHEMICAL REACTIONS
DATA
DESULFURIZATION
ENERGY
ENTHALPY
ENTROPY
EXPERIMENTAL DATA
FLUE GAS
FREE ENTHALPY
GASEOUS WASTES
INFORMATION
MEDIUM TEMPERATURE
NUMERICAL DATA
PHYSICAL PROPERTIES
SPECIFIC HEAT
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
WASTES