Water Purification by Forced-Flow Electrophoresis

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Abstract
The capabilities of an electrophoretic apparatus for water treatment are reported. Forced-flow electrophoresis—a modification of electrodecantation by Bier—provides two potential areas of application: (1) The concentration of micro-organisms or dilute solutions of organic compounds for the purposes of both identification and quantitative analysis, and (2) the removal of colloids and supra-colloids from surface waters. Concentration of dilute samples of bacteriophage T1 and 2, 4-D insecticide demonstrate a possible development as a water quality monitoring technique. Waters of low conductivity containing colloidal material can also be treated directly by electrophoresis for colloid separation. Scale-up beyond laboratory size models is dependent on reducing effects of scale and slime formation, spacer thickness, and sedimentation and clogging; as well as a need for better electrical power efficiency.

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