MA38312B2 - Process for improving nitrate salt compositions by means of nitric acid during their use as a heat transfer medium or heat storage medium - Google Patents
Process for improving nitrate salt compositions by means of nitric acid during their use as a heat transfer medium or heat storage mediumInfo
- Publication number
- MA38312B2 MA38312B2 MA38312A MA38312A MA38312B2 MA 38312 B2 MA38312 B2 MA 38312B2 MA 38312 A MA38312 A MA 38312A MA 38312 A MA38312 A MA 38312A MA 38312 B2 MA38312 B2 MA 38312B2
- Authority
- MA
- Morocco
- Prior art keywords
- nitrate salt
- nitric acid
- storage medium
- heat
- transfer medium
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 3
- 150000002823 nitrates Chemical class 0.000 title abstract 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title abstract 2
- 238000005338 heat storage Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229910017604 nitric acid Inorganic materials 0.000 title abstract 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 6
- -1 alkali metal nitrite Chemical class 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 229910001963 alkali metal nitrate Inorganic materials 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 229910001964 alkaline earth metal nitrate Inorganic materials 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
- C09K5/12—Molten materials, i.e. materials solid at room temperature, e.g. metals or salts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/20—Working fluids specially adapted for solar heat collectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
L'invention concerne un procédé pour le maintien ou l'extension de la plage de température d'exploitation à long terme, d'un milieu caloporteur et/ou d'un milieu accumulateur de chaleur, renfermant une composition de sel de nitrate, choisie dans le groupe constitué par un nitrate de métal alcalin et un nitrate de métal alcalinoterreux et, éventuellement, par un nitrite de métal alcalin et un nitrite de métal alcalinoterreux, caractérisé en ce que la composition de sel de nitrate est mise en contact avec un additif renfermant les composants acide nitrique et/ou acide nitreux, et un gaz oxygéné ayant une pression partielle d'oxygène qui est égale ou supérieure à celle dans l'air, et/ou des composés générant de l'oxygène, et, éventuellement, des oxydes d'azote et/ou d'autres composés générant de l'oxyde d'azote.The invention relates to a method for maintaining or extending the long-term operating temperature range, a heat-transfer medium and / or a heat-storage medium containing a selected nitrate salt composition. in the group consisting of an alkali metal nitrate and an alkaline earth metal nitrate and, optionally, an alkali metal nitrite and an alkaline earth metal nitrite, characterized in that the nitrate salt composition is contacted with an additive containing the nitric acid and / or nitrous acid components, and an oxygenated gas having an oxygen partial pressure that is equal to or greater than that in the air, and / or oxygen generating compounds, and, optionally, nitrogen oxides and / or other compounds generating nitrogen oxide.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13152308 | 2013-01-23 | ||
| PCT/EP2014/050424 WO2014114508A1 (en) | 2013-01-23 | 2014-01-13 | Method for improving nitrate salt compositions by means of nitric acid in the use thereof as a thermal transfer medium or as a thermal accumulator medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MA20150379A1 MA20150379A1 (en) | 2015-10-30 |
| MA38312B2 true MA38312B2 (en) | 2017-12-29 |
Family
ID=47603419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA38312A MA38312B2 (en) | 2013-01-23 | 2014-01-13 | Process for improving nitrate salt compositions by means of nitric acid during their use as a heat transfer medium or heat storage medium |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2948518A1 (en) |
| CN (1) | CN105051147A (en) |
| AU (1) | AU2014210130B2 (en) |
| CL (1) | CL2015002065A1 (en) |
| IL (1) | IL240113B (en) |
| MA (1) | MA38312B2 (en) |
| WO (1) | WO2014114508A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MA41469B1 (en) | 2015-05-21 | 2018-08-31 | Basf Se | Reservoir for storing a liquid and its use |
| DE102015212057A1 (en) | 2015-06-29 | 2016-12-29 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Process for reducing corrosive properties of nitrate salt mixtures |
| EP3448952B1 (en) * | 2016-04-28 | 2021-12-22 | Basf Se | Use of a nitrate salt composition as heat transfer or heat storage medium for starting the first operation in a device containing these media |
| DE102021127566A1 (en) | 2021-10-22 | 2023-04-27 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Stabilization of salts in high temperature nitrate salt systems |
| CN116355597B (en) * | 2023-03-07 | 2025-07-22 | 北京工业大学 | Low-melting-point five-membered mixed molten salt heat transfer and heat storage material and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB545590A (en) * | 1940-02-17 | 1942-06-03 | Houdry Process Corp | Improvements relating to the use of molten salts in heat exchange circulating systems |
| US2375761A (en) * | 1944-10-18 | 1945-05-15 | Houdry Process Corp | Treatment of alkali metal salts |
| US3793208A (en) * | 1973-01-04 | 1974-02-19 | Park Chem Co | Method of rectifying commercial salt baths |
| US7588694B1 (en) * | 2008-02-14 | 2009-09-15 | Sandia Corporation | Low-melting point inorganic nitrate salt heat transfer fluid |
| CN102433104B (en) * | 2011-09-26 | 2014-06-11 | 上海交通大学 | Heat-transfer fluid, preparation method for same and use thereof |
-
2014
- 2014-01-13 CN CN201480017351.1A patent/CN105051147A/en active Pending
- 2014-01-13 WO PCT/EP2014/050424 patent/WO2014114508A1/en not_active Ceased
- 2014-01-13 AU AU2014210130A patent/AU2014210130B2/en active Active
- 2014-01-13 EP EP14700358.6A patent/EP2948518A1/en not_active Withdrawn
- 2014-01-13 MA MA38312A patent/MA38312B2/en unknown
-
2015
- 2015-07-23 IL IL240113A patent/IL240113B/en active IP Right Grant
- 2015-07-23 CL CL2015002065A patent/CL2015002065A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CL2015002065A1 (en) | 2016-01-08 |
| AU2014210130A1 (en) | 2015-08-20 |
| CN105051147A (en) | 2015-11-11 |
| IL240113B (en) | 2018-03-29 |
| AU2014210130B2 (en) | 2017-08-31 |
| EP2948518A1 (en) | 2015-12-02 |
| IL240113A0 (en) | 2015-09-24 |
| WO2014114508A1 (en) | 2014-07-31 |
| MA20150379A1 (en) | 2015-10-30 |
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