Electropulse Electrocoagulation System (ELCO) Electropulse electrocoagulation system container view

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The Ecologix electropulse electrocoagulation system is a water treatment system extremely effective at removing emulsified oils, suspended solids, and heavy metals from wastewater.

System Overview

The system utilizes pulsed electrical technology which provides a very distinct separation of contaminants from water. Suspended elements including metals, algae, dirt and petroleum will, within minutes, separate from the water leaving a clear water phase and sludge layer. All components in the system are monitored and controlled with programmable logic. The control panel monitors the use of water, component error and diagnostics for troubleshooting.

System Features Electropulse electrocoagulation system container view

The Ecologix electropulse system comes complete with the following components

  • Three (3) 50 GPM Electrocoagulation Modules (cell pods)
  • Foot print – 20' cargo container
  • Up to 150 GPM flow rate
  • Touch-screen controls with PLC interface. Corrosion resistant, magnetic drive, ceramic drive sump pumps
  • Skid mounted equipment
  • Three (3) ElectroCell pod assembly – (12) Twelve quick change-out cells per module
  • (VFD) Variable frequency drives to control sump pump flow rate with a touch of a button
  • Programmable operation (power control rack assy)
  • Digital volt/amp displays on the power supplies

Equipment Container

The system ships conveniently in a 20 foot standard container with the following specifications

  • 20 foot long x 8 feet wide equipment container
  • Steel construction
  • Single use container in excellent condition
  • Vent installed in the side of the equipment container
  • 1 (one) man door installed with lock and door handle
  • Insulation: Container interior (sides and roof) lined with hard foam board
  • Interior LED lights
  • AC breaker box
  • 2 (two) 120 VAC outlets
  • Minimum 480V 3Ph service to container with ground wires (separate container ground (required in most jurisdictions) is provided by the customer

Examples of the elimination of contaminants

ORGANIC MATTER

The reduction in DQO and DBO5 matter is brought about by the different effects of the process:

  • Flocculation of organic matter
  • Oxidation of organic matter
  • Breaking of large molecules
  • Indirect oxidation as a result of the generation of strong chemical oxidants
OILS AND FATS

The electrochemical reduction process results in the breaking up and separation of the oils and fats present in the water, regardless of whether or not they are already emulsified. These oils and fats are separated by means of flotation through the generation of microbubbles.

HEAVY METALS

Heavy metals are removed by an oxidoreduction process that produces insoluble metallic hydroxides that become trapped in the sludge.

SUSPENDED SOLIDS AND COLLOIDS

The electrochemical process results in a stable state of solid particles that are less colloidal or emulsified (or soluble) than at the state of equilibrium. When this occurs, the contaminants form hydrophobic components in the form of larger flocs that can be removed easily by means of flotation or decantation as required.

ECOTOXICITY

The removal of toxic organic components and/or heavy metals eliminates the ecotoxicity of the water, allowing it to be disposed of or reused. In some cases, this method can be used as a preparatory step prior to biological treatment.

ELIMINATION OF WATER HARDNESS

The removal of calcium and magnesium cations and salts such as sulphate, carbonate, and phosphate salts by means of electrochemical precipitation enables a reduction in the hardness of the treated water and prevents the formation of incrustations and biofilms in pipes and installations. This is extremely useful as a preparatory step prior to inverse osmosis processes (to lengthen the life of membranes) and for maintaining refrigeration water systems (since it prevents colonization and contamination by legionella bacteria).

REMOVAL AND DISINFECTION OF BACTERIA, VIRUSES, AND PARASITES

The electric discharge, temperature, and generation of oxidants produce a highly germicidal effect that can ensure that all effluent treated by means of electrocoagulation is complete free from pathogens.

This benefit of electrocoagulation is of interest in the following fields:
  • Legionella disinfection
  • Purine hygienization
  • Making wastewater or drinking water drinkable

The table below shows the percentage rates for the elimination of contaminants by ELCO.

Contaminant ‘Pure’ concentration Following electrocoagulation Elimination rate
Aldrin (pesticide) 0.063 mg/l 0.001 mg/l 0.984
Aluminum 224.00 mg/l 0.69 mg/l 0.9969
Americium-241 71.99 pCi/L 0.57 pCi/L 0.992
Arsenic 0.30 mg/l Less than 0.01 mg/l 0.967
Bacteria 110,000,000 cfu 2.700 cfu 0.9999
Total coliform bacteria More than 2,419.2 mpn 0.0 mpn 0.9999
Barium 0.0145 mg/l Less than 0.0010 mg/l 0.931
Boron 4.86 mg/l 1.41 mg/l 0.7098
Cadmium 0.1252 mg/l Less than 0.0040 mg/l 0.9681
Calcium 1,321.00 mg/l 21.40 mg/l 0.984
Cipermetrin (pesticide) 1.30 mg/l 0.07 mg/l 0.946
Chlorieviphos (pesticide) 5.87 mg/l 0.03 mg/l 0.995
Cobalt 0.1238 mg/l 0.0214 mg/l 0.8271
Copper 0.7984 mg/l Less than 0.0020 mg/l 0.9975
Chromium 139.00 mg/l Less than 0.10 mg/l 0.9992
DDT (pesticide) 0.261 mg/l 0.002 mg/l 0.992
Diacin (pesticide) 34.00 mg/l 0.21 mg/l 0.994
E coli bacteria More than 2,419.2 mpn 0.0 mpn 0.9999
Enterococcus bacteria 83 mpn Less than 10 mpn 0.8287
Tin 0.213 mg/l Less than 0.0200 mg/l 0.9061
Fluoride 1.1 mg/l 0.415 mg/l 0.6227
Phosphate 28 mg/l 0.2 mg/l 0.9928
Iron 68.34 mg/l 0.1939 mg/l 0.9972
Lindane (pesticide) 0.143 mg/l 0.001 mg/l 0.993
Magnesium 13.15 mg/l 0.0444 mg/l 0.9966
Manganese 1.061 mg/l 0.0184 mg/l 0.9827
Mercury 1.15 mg/l Less than 0.03 mg/l 0.9739
Molybdenum 0.18 mg/l 0.04 mg/l 0.806
Nickel 183 mg/l 0.07 mg/l 0.9996
Nitrate 11.7 mg/l 2.6 mg/l 0.7778
Nitrite 21 mg/l 12 mg/l 0.4286
Nitrogen (TKN) 1,118.8 mg/l 59.08 mg/l 0.9472
Petroleum hydrocarbon 72.5 mg/l Less than 0.2 mg/l 0.9972
Lead 0.3497 mg/l Less than 0.0250 mg/l 0.9285
Plutonium-239 29.85 pCi/L 0.29 pCi/L 0.99
Potassium 200 mg/l 110 mg/l 0.45
Propetamphos (pesticide) 80.87 mg/l 0.36 mg/l 0.996
Radium 1093.0 pCi/L 0.1 pCi/L 0.9999
Selenium 68 mg/l 38 mg/l 0.44
Silicon 21.07 mg/l 0.10 mg/l 0.995
Sodium 8,690 mg/l 5,770 mg/l 0.336
Sulphate 104 mg/l 68 mg/l 0.3461
Uranium 10.8 mg/l 0.1 mg/l 0.9907
Vanadium 0.2621 mg/l Less than 0.0020 mg/l 0.9924
Zinc 221.00 mg/l 0.14 mg/l 0.999

Electrocoagulation Applications

  • METALLURGY INDUSTRY
    • Oxidation and precipitation of heavy metals
  • REFRIGERATION TOWERS
    • Prevention of incrustations and elimination of legionella
  • FOOD INDUSTRY
    • Disinfection and reuse of water
    • Treatment of alpechines in oil production
    • Treatment and elimination of fats in waste
    • Elimination of high organic and solid load rates
    • Treatment of effluent containing blood
  • LIVESTOCK FARMING
    • Treatment of purines (reduction in DQO, nitrogen and phosphorus, and hygienization)
  • MINING INDUSTRY
    • Elimination of metals, salts and suspended solids
  • PHARMACEUTICAL INDUSTRY
    • Elimination of ecotoxicity in waste
    • Destruction and elimination of organic molecules and DQO/DBO5
  • DECONTAMINATION OF UNDERGROUND WATER
    • Removal of metals, hydrocarbons, pesticides and phytosanitary substances, etc.
  • TREATMENT OF SEEPAGE
    • Reduction and elimination of heavy metals, organic matter, nitrogen compounds, salts, and other contaminants to yield a quality good enough to enable the reutilization of the seepage water for irrigation and cleaning or disposal of the water.
  • COSMETICS INDUSTRY
    • Reduction in organic load, elimination of colors and fats
  • PAPER INDUSTRY
    • Removal of fibres, solids, and organic load
  • TEXTILE INDUSTRY
    • Removal of color and organic load
  • CHEMICALS INDUSTRY
    • Removal of metals, salts, organic matter, smells and colors, reduction in ecotoxicity, and so on
  • METAL PLATING INDUSTRY
    • Removal of heavy metals
  • PETROLEUM INDUSTRY
    • Removal of hydrocarbons, metals, etc.

Advantages of Elco Electrocoagulation

  • Treatment for multiple contaminants
  • Low sludge formation
  • Low installation and assembly costs
  • Low operating costs
  • Does not require chemical products
  • Elimination of colours and odours
  • Instant treatment
  • Possibility of modular system/enlargement
  • Does not require building work
  • Automatic operation, low maintenance
  • Does not require a large amount of space, possibility of carrying out treatment within the production process

Comparative analysis with other systems

  • Treatment for multiple contaminants.
  • Requires much less space and building work.
  • Generates 90% less sludge in comparison with traditional physicochemical processes, easy filtration.
  • The conductivity and salts are favorable to the decontamination process without increasing the effect, reducing in the obtained treated water.
  • The process tends to bring the treated water close to a neutral pH.
  • Precipitates heavy metals such as chromium 6 that require a different type of treatment to other metals.
  • Cleans and disinfects the end product of pathogens.
  • Generates inert, hygienic sludge that can be used as compost.
  • Eliminates incrustations and legionella.
  • Has operating costs of around 50 – 60% less than traditional physicochemical processes.