Method for the carbothermic reduction of metal oxides using solar energy
Patent
·
OSTI ID:6073563
An apparatus and process are disclosed for utilizing solar radiation and the energy contained therein for the carbothermic reduction of a metal oxide to a metal carbide. The apparatus comprises a reflective surface which collects and focuses solar radiation onto a focal mirror which consequentially reflects and focuses the solar light rays into a reaction chamber through a Fresnel lens and a transparent window provided on the chamber. The solar light rays are focused by the reflective surface focal mirror and Fresnel lens such that the energy absorbed by reactants in the reaction chamber is sufficient for the carbothermic reduction of the metal oxide.
- Assignee:
- EDB-85-053316
- Patent Number(s):
- US 4472367
- OSTI ID:
- 6073563
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140905*
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM CARBIDES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CALCIUM CARBIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CARBIDES
CARBON COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMICAL REACTORS
ELEMENTS
ENERGY
ENERGY STORAGE
FOCUSING
FRESNEL LENS
HEAT
HEAT STORAGE
LANTHANUM
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LENSES
MATERIALS
METALS
NEODYMIUM CARBIDES
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PHASE CHANGE MATERIALS
PHYSICAL PROPERTIES
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
PROCESS HEAT
PRODUCTION
RADIATIONS
RARE EARTH COMPOUNDS
RARE EARTHS
REDUCTION
SOLAR PROCESS HEAT
SOLAR RADIATION
STELLAR RADIATION
STORAGE
TEMPERATURE EFFECTS
THERMOCHEMICAL HEAT STORAGE
THERMODYNAMIC PROPERTIES
USES
140905*
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM CARBIDES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CALCIUM CARBIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CARBIDES
CARBON COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMICAL REACTORS
ELEMENTS
ENERGY
ENERGY STORAGE
FOCUSING
FRESNEL LENS
HEAT
HEAT STORAGE
LANTHANUM
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LENSES
MATERIALS
METALS
NEODYMIUM CARBIDES
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PHASE CHANGE MATERIALS
PHYSICAL PROPERTIES
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
PROCESS HEAT
PRODUCTION
RADIATIONS
RARE EARTH COMPOUNDS
RARE EARTHS
REDUCTION
SOLAR PROCESS HEAT
SOLAR RADIATION
STELLAR RADIATION
STORAGE
TEMPERATURE EFFECTS
THERMOCHEMICAL HEAT STORAGE
THERMODYNAMIC PROPERTIES
USES