Compositions of chloro-trifluoropropene and hexafluorobutene
Provided are compositions, preferably azeotrope or azeotrope-like compositions including 1,1,1,4,4,4-hexafluoro-2-butene and chlorotrifluoropropene, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), and uses thereof of the compositions. The composition may be a heat transfer composition. The composition may be a blowing agent composition. The composition may be a solvent composition. The composition may be a sprayable composition.
1. A system containing a composition comprising 1,1,1,4,4,4-hexafluoro-2-butene and at least one chlorotrifluoropropene, wherein the system comprises an organic Rankine cycle.
2. The system according to claim 1 comprising from 1 to 99% by weight of 1,1,1,4,4,4-hexafluoro-2-butene and from 1 to 99% by weight of at least one chlorotrifluoropropene.
3. The system according to claim 2 comprising from 60 to 99% by weight of 1,1,1,4,4,4-hexafluoro-2-butene and from 1 to 40% by weight of at least one chlorotrifluoropropene.
4. The system according to claim 2 comprising from 1 to 30% by weight of 1,1,1,4,4,4-hexafluoro-2-butene and from 70 to 99% by weight of at least one chlorotrifluoropropene.
5. The system according to claim 1 characterized in that the chlorotrifluoropropene is 1-chloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene.
6. The system according to claim 5 characterized in that the chlorotrifluoropropene is the trans-isomer of 1-chloro-3,3,3-trifluoropropene.
7. The system according to claim 1 characterized in that the 1,1,1,4,4,4-hexafluoro-2-butene is the trans isomer.
8. The system according to claim 1 comprising from 1 to 25% by weight of E-1,1,1,4,4,4-hexafluoro-2-butene and from 75 to 99% by weight of E-1-chloro-3,3,3-trifluoropropene.
9. The system according to claim 1 characterized in that the composition is azeotropic or azeotrope-like.
10. An energy conversion process employing a turbine system having at least one stage comprising successively:
evaporating a refrigerant;
expanding the refrigerant in a turbine;
desuperheating the refrigerant in an external exchanger;
condensing the refrigerant; and
compressing the refrigerant in a pump,
wherein
the energy conversion process is an organic Rankine cycle; and
the system is according to claim 1 .
11. The process according to claim 10 , wherein the refrigerant comprises from 1 to 99% by weight of 1,1,1,4,4,4-hexafluoro-2-butene and from 1 to 99% by weight of at least one chlorotrifluoropropene.
12. The process according to claim 10 , wherein the refrigerant comprises from 60 to 99% by weight of 1,1,1,4,4,4-hexafluoro-2-butene and from 1 to 40% by weight of at least one chlorotrifluoropropene.
13. The process according to claim 10 , wherein the refrigerant comprises from 1 to 30% by weight of 1,1,1,4,4,4-hexafluoro-2-butene and from 70 to 99% by weight of at least one chlorotrifluoropropene.
14. The process according to claim 10 , wherein the chlorotrifluoropropene is 1-chloro-3,3,3-trifluoropropene and 2-chloro-3,3,3-trifluoropropene.
15. The process according to claim 10 , wherein the chlorotrifluoropropene is the trans-isomer of 1-chloro-3,3,3-trifluoropropene.
16. The process according to claim 10 , wherein the 1,1,1,4,4,4-hexafluoro-2-butene is the trans isomer.