
121
E
Espig
ERIX [Electrochemically Regenerated Ion-eXchange system] A process for removing hydrouoric acid from
aqueous wastes from the electronics industry. The uoride ion is trapped in an ion-exchange resin, which is
continuously regenerated electrochemically. Developed by BOC Edwards and rst installed in the University
at Albany, State University of New York, in 2006.
Chem. Eng. (N.Y.), 2006, 113(10), 13.
Erlenmeyer An early process for making potassium cyanide from potassium ferrocyanide by heating it
with sodium:
KFeCN 2Na 4KCN 2NaCN Fe
46
()+= ++
First commercialized in 1876. See also Rodgers.
ERMS [Enhanced Roasting Magnetic Sepa ...