Mixed-solvent ionic systems as absorption fluids. Annual report, October 1990-September 1991
Technical Report
·
OSTI ID:7280657
The research is in the second year of a three-year project. First, the authors continued working fluid studies for absorption refrigeration cycles. Ammonia-based solutions have been correlated by the method EXP-MSA (exponentially modified mean spherical approach) and incorporated into the cycle program ELECTRO-COP. Second, the method was extended to amine solutions for acid gas treating. Existing correlations: Kent-Eisenberg, Chakravarty, Planche-Renon, and Chen were evaluated. For aqueous amine solutions, they also evaluated the UNIFAC and ASOG group contribution methods. The working fluid studies have been completed (1990-1991) for both aqueous and ammoniac media. The MSA method worked well for both systems. For alkanolamine solutions, new group contribution methods were formulated. The new method was based on the interaction site model of statistical mechanics. Tests were carried out for pure amines and results are encouraging.
- Research Organization:
- Oklahoma Univ., Norman, OK (United States). School of Chemical Engineering and Materials Science
- OSTI ID:
- 7280657
- Report Number(s):
- PB-92-211499/XAB; OU/CEMS/HEV--1; CNN: GRI-5087-233-1616
- Country of Publication:
- United States
- Language:
- English
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ABSORPTION REFRIGERATION CYCLE
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ENERGY SOURCES
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030300 -- Natural Gas-- Drilling
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32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
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& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
ABSORPTION REFRIGERATION CYCLE
AMINES
AMMONIA
CHEMICAL REACTIONS
COMPUTERIZED SIMULATION
DESULFURIZATION
ELECTROLYTES
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HEAT PUMPS
HYDRIDES
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
NATURAL GAS
NATURAL GAS PROCESSING PLANTS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
RESEARCH PROGRAMS
SIMULATION
SOLVATION
THERMODYNAMIC PROPERTIES
WORKING FLUIDS