Word: judas
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Dates: during 1960-1969
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...traditional purification methods, salt or brackish water is either heated to a vapor and then condensed, leaving foreign matter behind, or else it is frozen into ice, thereby separating out the brine, and then remelted to obtain a pure product. The Ionics system, developed by Executive Vice President Walter Juda, does neither. It is an electrical process that exploits the natural attraction of opposite charges. Ionics uses a 4-ft. stack of 18-by-20-in. plastic membranes, 1/32-in. thick and 1/25-in. apart, between which the brackish water circulates. When voltage is applied across the stack, positively charged ions...