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Evaporators / EvapoDry

EvapoDry Water Evaporation System
Ecologix provides low temperature evaporation systems designed to efficiently evaporate wastewater from landfill leachate recovery systems using the low BTU landfill gas as a fuel. The EvapoDry design incorporates a submerged burner tube that fires below the solution level and achieves 95%+ energy efficiency. This low temperature system evaporates solutions at approximately 180° F - 186° F, eliminating the vaporization of heavy metals and the organic breakdown of most solids. Precipitated solids are removed from the evaporator tank bottom with our unique hands off, user friendly conveyor system.
EvapoDry Process Flow Diagram.PDF


  • The evaporator uses a submerged burner tube which fires below the solution level, achieving a >95% energy efficiency rating
  • The hot gas contact with the liquid creates almost instantaneous vapor while the combustion gases rapidly mix the liquid for even heat distribution
  • Burner tube orifices are positioned below 180° F, allowing the tube to be continuously self purging

Easy Operation

  • All components are skid mounted for easy transport and installation
  • The systems require minimal operator attention, utilizing PLC computerized controls and monitoring systems
  • Ecologix' custom designed conveyor system allows for easy, hands-off removal of sludge from the evaporator system
  • The system can be paired with one Ecologix' Sludge Dry Units for maximum ease in sludge processing and disposal


  • EvapoDry's are designed with a minimum of moving parts to keep maintenance needs low
  • All wetted surfaces on the evaporator are constructed of 304 stainless steel with a 3/16" wall thickness on models 100-500
  • Ecologix offers an exclusive Chloride Corrosion Package for facilities processing effluent containing chlorides

evapodry illustration II
Optional inclined auger can be added to all models to deliver sludge to containment bag or dewatering system
evapodry illustration
Click image to view Large Diagram & Additional Specifications & Options

ED - Series EvapoDry Evaporator Specifications
Model/GPH ED-15 ED-25 ED-40 ED-50 ED-75 ED-100 ED-150 ED-200 ED-300 ED-500 ED-750 ED-1000
BTU's/hr 150,000 250,000 400,000 500,000 750,000 1,000,000 1,500,000 2,000,000 3,000,000 5,000,000 7,500,000 10,000,000
Exhaust Stack Dia. 8" 10" 12" 14" 18" 20" 24" 30" 36" 48" 54" 60"
Gas Pipe Size natural) 3/4" 3/4" 3/4" 1" 1" 1" 1 1/4" 1 1/2" 2" 2" 2 1/2" 3"
Gas Pipe Size (LFG) N/A N/A N/A N/A 2" 2" 4" 4" 4" 6" 6" 6"
Feed Pump Pipe Size 3/4" 3/4" 3/4" 3/4" 1" 1" 1" 1" 1" 1" 1 1/2" 1 1/2"
Feed Pump GPM (min) 0.33 0.67 1 1.67 2.5 3.33 5 6.67 10 16.67 25 33.33
Drain Pipe Size 2" 2" 2" 2" 4" 4" 4" 4" 4" 6" 6" 8"
Combustion Blower Motor HP 0.39 0.95 1.15 1.15 7.5 7.5 7.5 7.5 15 15 20 20
Anti-foam Motor HP 1 1 1 1 1 1 1.5 1.5 1.5 1.5 3 3
Auger Drag-out Motor HP 3/4 3/4 3/4 3/4 1 1 1 1 1 1 1.5 1.5
Booster Blower Motor HP N/A N/A N/A N/A 5 5 7.5 7.5 10 10 15 20

How they operate….
The EvapoDry Water Evaporation System is designed to efficiently evaporate wastewater and auger out the settled solids buildup from the evaporator tank bottom. A submerged burner tube fires below the solution level, which achieves 95% +energy efficiency. The hot gas contact with the liquid creates almost instantaneous vapor while the combustion gasses rapidly mix the liquid for even heat distribution. Thru extensive testing by Ecologix, we have proven sub-merged combustion can save as much as 25% i energy cost over serpentine tubes and hot plates. The uniqueness of the EvapoDry lies in the cylindrical design of the solution tank, with a cone bottom. A drain port affixed to the cone allows for easy removal of any solids build up which will settle in the cone. (see specifications table for drain port sizes)

As an option, an inclined auger conveyor can be added to each model. The inclined conveyor extends upward above the evaporator solution level and deposits the sludge material into the owners drum or into a dewatering system. (Click on the above illustration to see other options available).

Turbulence in the evaporator tank prevents simultaneous evaporation and solids removal. The evaporator must be turned off for an appreciable period of time to allow for settlement prior to removal of solids from the evaporator tank.

All wetted surfaces are 304 stainless steel 316” wall thickness on Models 15 – 1000. Ecologix has been diligently striving to seek a solution for those installations processing chlorides in the waste stream. We have developed and utilized our Corrosion Package, constructed of a high temperature fiberglass resin vessel, utilizing C2000 stainless steel sparger tubes or 316L stainless steel vessel with Inconel 625 tubes which offer superior resistance to chemical or chloride attack. Due that many factors affect the corrosion of the evaporator material. Ecologix offers only options on material selection and assumes no responsibility for any failure that can be attributed to corrosion.

Oil skimmer is furnished as an option to remove off floating organics if necessary.

The enclosed vessel has a 10-micron poly mesh mist eliminator to ensure that only vapor is released to the atmosphere.

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