Thursday, July 26, 2012

Electrodialysis Lab Test Unit

Mech-Chem offers Electrodialysis lab test units for the testing and verification for the following  application:
Removal of Salt Brine from Water.
Concentration of Metal Salts from Dragout and Rinses for Recycling
to Plating Baths.
Salt Maintenance on
Fume Scrubbing Systems
Electroless Nickel Purifications

Electrodialysis is an electrically driven ion-exchange process which utilizes alternating sequences of cation exchange membranes and anion exchange membranes to effect the separation andconcentration of dissolved salts from various solutions. Selectively permeable ions are transported from one side of a membrane, through the membrane, to the other side of the membrane. These salts are concentrated, collected, and removed from the unit.

With the proper selection and configuration of permselective membranes between a positively charged, inert anode, and a negatively charged cathode, electric deionization is accomplished. Such a configuration of membranes, hydraulic spacers, and electrodes is termed an Electrodialysis stack.
An Electrodialysis system is comprised of an Electrodialysis stack, circulation pumps, solution holding tanks, a power supply, pressure gauges and ancillary controls. Optional controls may also include particulate filters and conductivity control.

Mech-Chem Associates, Inc.
P.O. Box 473
144 Main St Norfolk, MA 02056
Tele: (508) 528-5990
Fax: (508) 528-8972

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