A review of the chemical and physical properties of molten alkali nitrate salts and their effect on materials used for solar central receivers
Sandia National Laboratories, Livermore (SNLL), has been responsible for developing thermal energy collection and storage technologies for solar central receiver (SCR) applications as the lead laboratory designated by the US Department of Energy. The focus of one of these efforts has been the evaluation of the properties of a mixture of sodium nitrate and potassium nitrate as a single-phase working fluid for SCR systems. This report summarizes the results of a comprehensive research program that was established by SNLL to address issues relevant to the use of molten nitrates at temperatures up to 600/degree/C. It is concluded that molten nitrate salt is not only technically feasible as a working fluid for advanced SCR, but is advantageous in a number of ways to alternative fluids. 44 refs., 5 figs., 1 tab.
- Research Organization:
- Sandia National Labs., Livermore, CA (USA)
- DOE Contract Number:
- AC04-76DR00789
- OSTI ID:
- 6846589
- Report Number(s):
- SAND-87-8005; ON: DE88010500
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
140702* -- Solar Thermal Power Systems-- Central Receiver
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALI METAL COMPOUNDS
CENTRAL RECEIVERS
CHEMICAL PROPERTIES
CHEMICAL REACTIONS
CORROSION
DATA
FLUIDS
INFORMATION
MOLTEN SALTS
NITRATES
NITROGEN COMPOUNDS
NUMERICAL DATA
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POTASSIUM COMPOUNDS
POTASSIUM NITRATES
SALTS
SODIUM COMPOUNDS
SODIUM NITRATES
SOLAR RECEIVERS
WORKING FLUIDS