Method for removing dye stuffs from wastewater

Details Method for removing dye stuffs from wastewater Method for removing dye stuffs from wastewater

1989-01-05

1989-11-14

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204130, 204149, 210748, C02F 146

Patent

active

048805106

ABSTRACT:
A process for removing color impurities such as dye stuffs from wastewater solutions and simultaneously removing heavy metal contaminants is described. The process includes passing the wastewater solution through an electrolytic cell, having an anode of iron, an iron alloy, or an insoluble iron compound to generate ferrous iron at the anode which then reacts with hydroxide ion generated at the cathode causing a coprecipitation of the impurities with insoluble ferrous hydroxide.

REFERENCES:
patent: 966025 (1910-08-01), Lautzenhiser et al.

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