Liquid crystallizer salting out solution

1. A method for recovering water from a salt solution, comprising:

mixing a salt solution and a salting out solution in a first container to form solid salt and a water-absorbed salting out solution, wherein the salting out solution comprises an enolizable ketone and an alcohol;

removing the water-absorbed salting out solution from the first container;

mixing the water-absorbed salting out solution with a regenerant solution in a second container to release absorbed water from the water-absorbed salting out solution and form an organic phase and an aqueous phase in the second container;

removing the aqueous phase from the second container;

desalinating the aqueous phase to produce purified water.

2. The method of claim 1 , further comprising removing the organic phase from the second container and mixing the removed organic phase with a base solution in a third container to form a second organic phase and a second aqueous phase.

3. The method of claim 2 , further comprising electrolyzing the second aqueous phase to form a recycled base solution.

4. The method of claim 3 , recycling the recycled base solution to be used as the base solution mixed with the removed organic phase.

5. The method of claim 2 , further comprising recycling the second organic phase to be used as the salting out solution mixed with the salt solution in the first container.

6. The method of claim 2 , wherein the base solution comprises NaOH.

7. The method of claim 1 , wherein desalinating the aqueous phase produces a recycled regenerant solution and the recycled regenerant solution is recycled to be used as the regenerant solution mixed with the water-absorbed salting out solution in the second container.

8. The method of claim 1 , wherein the enolizable ketone has the chemical formula:

R(C=O)R′, wherein R and R′ are independently selected from a C1-C7 alkyl or a C3- C7 monocyclic; R and R′ are selected from a C1-C7 alkyl and the other is selected from a C 1 -C 7 alkyl; R and R′ together, with the carbonyl (C=0) form a 3-15 membered monocylic ketone or a 3-15 membered monocylic heterocyclic ketone; or R and R′ together with the carbonyl form an 8-15 membered aromatic system optionally including one or more heteroatoms selected from S, N, or O.

9. The method of claim 8 , wherein the enolizable ketone is methyl ethyl ketone (MEK).

10. The method of claim 1 , wherein the alcohol is a tertiary alcohol.

11. The method of claim 10 , wherein the tertiary alcohol is tert-butyl alcohol (TBA).

12. The method of claim 1 , wherein the salt solution comprises salt water and/or a brine solution.

13. The method of claim 1 , wherein the regenerant solution comprises CaCl 2 .

14. A method for recovering water from a salt solution, comprising:

mixing a salt solution and a salting out solution in a first container to form solid salt and a water-absorbed salting out solution, wherein the salting out solution comprises a ketone, an alcohol, an amphiphilic oxygenate, and a demulsifier;

removing the water-absorbed salting out solution from the first container;

mixing the water-absorbed salting out solution with a regenerant solution in a second container to release absorbed water from the water-absorbed salting out solution and form an organic phase and an aqueous phase in the second container;

removing the aqueous phase from the second container;

desalinating the aqueous phase to produce purified water.

15. The method of claim 14 , further comprising removing the organic phase from the second container and mixing the removed organic phase with a base solution in a third container to form a second organic phase and a second aqueous phase.

16. The method of claim 15 , further comprising electrolyzing the second aqueous phase to form a recycled base solution.

17. The method of claim 16 , recycling the recycled base solution to be used as the base solution mixed with the removed organic phase.

18. The method of claim 15 , further comprising recycling the second organic phase to be used as the salting out solution mixed with the salt solution in the first container.

19. The method of claim 15 , wherein the base solution comprises NaOH.

20. The method of claim 14 , wherein desalinating the aqueous phase produces a recycled regenerant solution and the recycled regenerant solution is recycled to be used as the regenerant solution mixed with the water-absorbed salting out solution in the second container.

21. The method of claim 14 , wherein the ketone comprises methyl isobutyl ketone (MIBK).

22. The method of claim 14 , wherein the alcohol comprises a branched alcohol.

23. The method of claim 22 , wherein the branched alcohol comprises t-butanol (TBA).

24. The method of claim 14 , wherein the amphiphilic oxygenate comprises one of a sulfonate or a phosphate.

25. The method of claim 24 , wherein the amphiphilic oxygenate comprises triisobutyl phosphate.

26. The method of claim 14 , wherein the demulsifier comprises hexanes.

27. The method of claim 14 , wherein the salt solution comprises salt water and/or a brine solution.

28. The method of claim 14 , wherein the regenerant solution comprises KCl.

29. A method, comprising

mixing a salt solution and a salting out solution to form solid salt and a water-absorbed salting out solution, wherein the salting out solution comprises an enolizable ketone and an alcohol;

mixing the water-absorbed salting out solution with a regenerant solution to release absorbed water from the water-absorbed salting out solution and to regenerate the enolizable ketone; and

regenerating the alcohol using a base solution.

30. A method, comprising

mixing a salt solution and a salting out solution to form solid salt and a water-absorbed salting out solution, wherein the salting out solution comprises a ketone, an alcohol, an amphiphilic oxygenate, and a demulsifier;

mixing the water-absorbed salting out solution with a regenerant solution to release absorbed water from the water-absorbed salting out solution and to regenerate the ketone; and

regenerating the alcohol using a base solution.