Salex : A process for purifying sodium chloride. Continuous counter-current extraction with brine removes the impurities without dissolving the salt. There are three variants: SALEX-B, SALEX-C, and SALEX-M. Developed by Krebs Swiss
Comyns, Alan E. Dictionary, Encyclopedic Dictionary of Named Processes in Chemical Technology (3rd ed.), Alan E. Comyns (Ed.), Boca Raton, FL, CRC Press LLC, USA 2000, http://worldtracker.org/media/library/Science/Chem istry/Synthesis/Encyclopedic%20Dictionary%20of%20N amed%20Processes%20in%20Chemical%20Technology.pdf, (Named Chem Procss - Amer) {35}