Electrocoagulation

Electrocoagulation is an electrochemical method of treating polluted water; whereby sacrificial electrodes corrode at the anode face and release an active coagulant, causing pollutants to cluster together into semi-solids. This is accompanied by gas release on the cathode face of the electrodes; which integrates into the growing pollutant clusters, causing them to become buoyant.

After significant trials in the food industry — we now have installations at some large production facilities including Heinz foods.

• Atac now plan on trialing EC on Municipal waste water installations.
• Inherent factor in EC operation is treated effluent shows a high level of dissolved oxygen (circa 20-22 mg/l) — clearly this can be beneficial to any biological treatment system requiring O₂ in the influent stream.
• No reason why EC cannot treat screened raw effluent, provide front end treatment to biological treatment systems, infuse effluent with high levels of DO, treat lechate etc.

EC is a highly effective and affordable treatment method. A complete system’s running cost is only £3.10 per hour (per 50m²)

Current applications of EC treatment

• Mine water
• Bilge water
• Black water
• Food processing waste

Pollutant removal can occur by “coagulation only” which causes pollutants to sink or by “coagulation and floatation” which causes pollutants to float.

Please contact us with any queries on +44 (0)1622 882400

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