Higher-lift lower-cost absorption cycles. Phase 1, final report
The purpose of the research was to determine if modified NaOH solutions could be used in absorption heat pumps (AHP) to provide higher heat-pumping lifts from low ambient temperatures than are now possible. The research consisted of performing screening experiments on a great number of modified alkali hydroxide solutions, in order to characterize and bound the properties of boiling-point elevation, solubility limit, and corrosivity as a function of composition. Two preferred compositions were selected for more-detailed characterization: the binary NaOH-KOH and the ternary NaOH-KOH-CsOH. Lifts as high as from 0 to 90C were shown to be possible, which will extend AHP applicability into several important new applications.
- Research Organization:
- Energy Concepts Co., Annapolis, MD (USA)
- OSTI ID:
- 5617062
- Report Number(s):
- PB-88-129259/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
320106* -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
ALKALI METAL COMPOUNDS
BOILING POINTS
CHEMICAL REACTIONS
CORROSION
HEAT PUMPS
HYDROGEN COMPOUNDS
HYDROXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
PUMPING
SOLUBILITY
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
TRANSITION TEMPERATURE