WET ELECTROSTATIC PRECIPITATOR (WET ESP)

A wet electrostatic precipitator (wet ESP) uses electrostatic forces to remove particulate matter emissions in exhaust gas streams. These can include heavy metals such as arsenic, cadmium, or lead, condensed acid aerosols like sulfuric acid mist, or condensed organic compounds. By using electrostatic forces, energy costs are minimized when compared to venturi scrubbers or baghouses, which require large amounts of energy to overcome resistance to air flow.

The control of fine particulate emissions is often one of the most difficult environmental control problems faced by industry. Sub-micron particles present a significant threat to human health and are one of the leading causes of visibility degradation. The Geoenergy® E-Tube® Wet Electrostatic Precipitator is a cost-effective way to control these emissions.

A wet electrostatic precipitator (wet ESP) uses electrostatic forces to remove particulate matter emissions in exhaust gas streams. These can include heavy metals such as arsenic, cadmium, or lead, condensed acid aerosols like sulfuric acid mist, or condensed organic compounds. By using electrostatic forces, energy costs are minimized when compared to venturi scrubbers or baghouses, which require large amounts of energy to overcome resistance to air flow.

The control of fine particulate emissions is often one of the most difficult environmental control problems faced by industry. Sub-micron particles present a significant threat to human health and are one of the leading causes of visibility degradation. The Geoenergy® E-Tube® Wet Electrostatic Precipitator is a cost-effective way to control these emissions.

What is a Wet Electrostatic Precipitator?

Wet Electrostatic Precipitator Basics

The wet ESP is a particulate matter control device that functions by employing an intense electric field to ionize/charge and capture particles and droplets onto a collection surface. The discharge electrode imparts a negative charge on the particles present in the gas stream as it flows through the collection section. The negatively charged particles are then attracted to the grounded surface of the collection electrode. Wet ESPs have no barriers to gas flow, operate with low pressure drop, and are typically designed for 90 – 99% removal efficiency.

Wet ESP systems provide an efficient solution for particulate emission control requirements with the following characteristics:

  • Sub-micron particulate including
    • Fly ash from combustion
    • Organic condensables (tar or oil)
    • Sulfuric acid mist
    • Heavy metals
  • Gas stream already wet (downstream of wet scrubber)
  • Fire possibility

Geoenergy E-Tube® Wet Electrostatic Precipitator (Wet ESP)

The E-Tube® wet ESP system is a state-of-the-art air pollution control device that has been used successfully for over 35 years for the removal of PM from multiple industrial applications.

Features

  • Round collecting tube maximizes electric field strength for optimum performance
  • External tube cooling reduces water consumption and aids in keeping the collection tube walls cleaner
  • Our Star II™ electrode design’s unique shape improves efficiency and helps reduce the overall size and cost of the unit
  • Our Sphere™ adjustment hardware simplifies maintenance and electrode adjustment with its one bolt design

Common Applications

  • Incinerators (hazardous waste, sewage sludge)
  • Multiple Hearth Furnaces
  • Metallurgical Smelters and Roasters
  • Sulfuric Acid Plants, Sulfuric Acid Mist (SAM) Removal
  • Wood Dryers Including: oriented strand board (OSB), medium density fiber Board (MDF), particle board (PB), industrial wood pellets
  • Panel Board Press Vents
  • Insulation Manufacturing (forming curing, spinning wool chamber, melter exhaust, gutter exhaust)
  • Industrial Boilers: multi-fuel fired, wood fired, hog fuel fired, tire derived fuel (TDF), fuel oil fired
  • Food Products including french fry plants
  • Tire Manufacturing
  • Blue Haze Abatement
  • Refinery Fluid Catalytic Cracking Units
  • Oil Field Sour Waste Gas Incineration
  • Clean-up Downstream of Wet Scrubbers

Geoenergy E-Tube® Wet Electrostatic Precipitator (Wet ESP)

The E-Tube® wet ESP system is a state-of-the-art air pollution control device that has been used successfully for over 35 years for the removal of PM from multiple industrial applications.

Features

  • Round collecting tube maximizes electric field strength for optimum performance
  • External tube cooling reduces water consumption and aids in keeping the collection tube walls cleaner
  • Our Star II™ electrode design’s unique shape improves efficiency and helps reduce the overall size and cost of the unit
  • Our Sphere™ adjustment hardware simplifies maintenance and electrode adjustment with its one bolt design

Common Applications

  • Incinerators (hazardous waste, sewage sludge)
  • Multiple Hearth Furnaces
  • Metallurgical Smelters and Roasters
  • Sulfuric Acid Plants, Sulfuric Acid Mist (SAM) Removal
  • Wood Dryers Including: oriented strand board (OSB), medium density fiber Board (MDF), particle board (PB), industrial wood pellets
  • Panel Board Press Vents
  • Insulation Manufacturing (forming curing, spinning wool chamber, melter exhaust, gutter exhaust)
  • Industrial Boilers: multi-fuel fired, wood fired, hog fuel fired, tire derived fuel (TDF), fuel oil fired
  • Food Products including french fry plants
  • Tire Manufacturing
  • Blue Haze Abatement
  • Refinery Fluid Catalytic Cracking Units
  • Oil Field Sour Waste Gas Incineration
  • Clean-up Downstream of Wet Scrubbers

How Does a Wet Elestrostatic Precipitator Work?

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