OBTAINING A PREDETERMINED SALT CONCENTRATION WITHIN AN AQUEOUS SOLUTION USING MICELLAR DISPERSIONS.

摘要

A process for obtaining a water of predetermined salt concentration from a brine comprising : (1)  contacting ihe  brine with a micellar dispersion as harJn  defined  containing  a  surfactant  (such  as herein defined) having a distribution coefficient greater than about 1.05 permitting the micellar dispersion to solubilise at least  a portion of the brine to form a microemulsion top  phase  and a  bottom phase, the bottom phase having a larger concentration of salt than the original brine, (2)  separating  the top phase from the bottom phase, (3)  effecting a physical  or chemical change  (such  as ha rein  defined) on  the microemulsion top  phase sufficient to obtain at least two distinct phases, and (4)  separating the  bottom phase of "(3)" as the water containing the predetermined salt concentration.