Stabilization of 1-chloro-3,3,3-trifluoropropene
The use of a C 3 to C 6 alkene compound including a sole double bond, for limiting or preventing the isomerization of trans-1-chloro-3,3,3-trifluoropropene to cis-1-chloro-3,3,3-trifluoropropene. Also, a composition including 1-chloro-3,3,3-trifluoropropene and a C 3 to C 6 alkene compound including a sole double bond, and also to various uses of this composition, such as a process for heating or cooling a fluid.
1. A process for heating or cooling a fluid or a body with a vapor compression system containing a heat-transfer fluid, said process comprising, successively:
evaporating the heat-transfer fluid,
compressing the heat-transfer fluid,
condensing the heat-transfer fluid, and
expanding the heat-transfer fluid,
wherein the heat-transfer fluid is a composition comprising 1-chloro-3,3,3-trifluoropropene and a C3 to C6 alkene compound comprising a sole double bond, selected from the group consisting of but-1-ene, cis-but-2-ene, trans-but-2-ene, 2-methylprop-1-ene, pent-1-ene, cis-pent-2-ene, trans-pent-2-ene, 2-methylbut-1-ene, 2-methylbut-2-ene and 3-methylbut-1-ene,
wherein the heat transfer fluid is at a temperature, at at least one point, greater than or equal to 100° C.
2. The process of claim 1 , wherein the heat transfer fluid is at a temperature, at at least one point, greater than or equal to 140° C.
3. The process of claim 1 , wherein the vapor compression system comprises a heat pump, wherein the heat-transfer fluid is at a temperature of at least 140° C. over at least 50% of its complete circulation time.
4. The process of claim 1 , wherein the heat transfer fluid is at a temperature, at at least one point, greater than or equal to 200° C.
5. The process of claim 1 , wherein the process is a cooling process.
6. The process of claim 1 , wherein the alkene is a butene or a pentene.
7. The process of claim 1 , wherein the alkene is a pentene.
8. The process of claim 1 , wherein the composition comprises from 0.01% to 5% of alkene compound.
9. The process of claim 1 , wherein the composition comprises from 0.2% to 1% of alkene compound.
10. The process of claim 1 , wherein the 1-chloro-3,3,3-trifluoropropene is in trans form in a weight proportion greater than or equal to 90%.
11. The process of claim 1 , wherein the 1-chloro-3,3,3-trifluoropropene is in trans form in a weight proportion greater than or equal to 99%.
12. The process of claim 1 , wherein the 1-chloro-3,3,3-trifluoropropene is in trans form in a weight proportion greater than or equal to 99.9%.
13. The process of claim 1 , wherein the composition further comprises one or more heat-transfer compounds other than 1-chloro-3,3,3-trifluoropropene and/or one or more additives chosen from stabilizers other than the alkene compound, lubricants, surfactants, tracers, fluorescent agents, odorous agents, solubilizing agents, and mixtures thereof.
14. The process of claim 1 , wherein the composition is free of lubricant.
15. A process for producing electricity with a thermal engine, said process comprising, successively:
evaporating the heat-transfer fluid,
expanding the heat-transfer fluid in a turbine,
condensing the heat-transfer fluid, and
compressing the heat-transfer fluid,
wherein the heat-transfer fluid is a composition comprising 1-chloro-3,3,3-trifluoropropene and a C3 to C6 alkene compound comprising a sole double bond, selected from the group consisting of but-1-ene, cis-but-2-ene, trans-but-2-ene, 2-methylprop-1-ene, pent-1-ene, cis-pent-2-ene, trans-pent-2-ene, 2-methylbut-1-ene, 2-methylbut-2-ene and 3-methylbut-1-ene,
wherein the heat transfer fluid is at a temperature, at at least one point, greater than or equal to 100° C.
16. The process of claim 15 , wherein the heat transfer fluid is at a temperature, at at least one point, greater than or equal to 140° C.
17. The process of claim 15 , wherein the heat transfer fluid is at a temperature, at at least one point, greater than or equal to 200° C.
18. The process of claim 15 , wherein the alkene is a butene or a pentene.
19. The process of claim 15 , wherein the alkene is a pentene.
20. The process of claim 15 , wherein the composition comprises from 0.01% to 5% of alkene compound.
21. The process of claim 15 , wherein the composition comprises from 0.2% to 1% of alkene compound.
22. The process of claim 15 , wherein the 1-chloro-3,3,3-trifluoropropene is in trans form in a weight proportion greater than or equal to 90%.
23. The process of claim 15 , wherein the 1-chloro-3,3,3-trifluoropropene is in trans form in a weight proportion greater than or equal to 99%.
24. The process of claim 15 , wherein the 1-chloro-3,3,3-trifluoropropene is in trans form in a weight proportion greater than or equal to 99.9%.
25. The process of claim 15 , wherein the composition further comprises one or more heat-transfer compounds other than 1-chloro-3,3,3-trifluoropropene and/or one or more additives chosen from stabilizers other than the alkene compound, lubricants, surfactants, tracers, fluorescent agents, odorous agents, solubilizing agents, and mixtures thereof.
26. The process of claim 15 , wherein the composition is free of lubricant.