12 Inch Diffuser for ETP

SKU: MK451

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Product Description:

12 Inch Diffuser for ETP

12 Inch Diffuser for ETP An ETP diffuser is a type of diffuser that is used in Effluent Treatment Plants (ETPs) to aerate and mix the wastewater. This promotes the growth of aerobic bacteria that help break down the organic matter present in the wastewater.

Regarding your request for a 12 inch ETP diffuser, the size and type of diffuser needed depend on several factors such as the size of the treatment plant, the amount of wastewater being treated, the required dissolved oxygen levels, and the type of wastewater being treated.

Typically, ETP diffusers are available in various sizes, shapes, and materials, including EPDM, silicon, and ceramic. I would recommend consulting with an ETP system supplier or a wastewater treatment expert to determine the appropriate diffuser size and type for your specific requirements.

Product Details:

Type Of Aerator : Diffused Aerations

Air Flow Rate : 10(m3/h)

Type Of Bubble : Fine Bubble

Bubble Diameter : 1 mm

Shape : Round

Material : EPDM membrane

Diameter : 350mm (12″)

Average SOTE : 6.5%/m

Maximum SOTE : 8.2%/m

Surface Area : 0.065m2

Airflow Range : 12m3/h

A 12-inch diffuser for ETP (Effluent Treatment Plant) is a specific type of equipment used in wastewater treatment systems. ETPs are designed to treat industrial wastewater before it is discharged into the environment or municipal sewer systems. Diffusers play a crucial role in the treatment process, particularly in the aeration stage.

Description and Function:

  1. Size: The “12-inch” in the diffuser’s name refers to the diameter of the diffuser’s membrane or plate. The size is essential to ensure that the diffuser can handle the required airflow rate and effectively distribute air in the treatment tank.
  2. Material: The diffuser is typically made from durable and corrosion-resistant materials like EPDM (Ethylene Propylene Diene Monomer) or silicone rubber, which can withstand the harsh conditions of wastewater treatment.
  3. Membrane or Plate: The diffuser features a membrane or plate with fine pores or perforations. When air is supplied to the diffuser from a blower or compressor, the air passes through these pores and is dispersed into small bubbles.
  4. Aeration: The primary function of the diffuser is to introduce oxygen into the wastewater. In the aeration stage of the ETP, microorganisms present in the wastewater break down organic pollutants. These microorganisms require oxygen for their metabolic processes, and the diffuser ensures the efficient transfer of oxygen from the air to the wastewater.
  5. Bubble Size and Distribution: The design of the diffuser and the size of the bubbles it produces are crucial factors. Fine bubbles provide a larger surface area for oxygen transfer, leading to more efficient wastewater treatment. Additionally, even distribution of the bubbles throughout the treatment tank ensures that all parts of the wastewater are adequately oxygenated.
  6. Installation: The 12-inch diffuser is typically installed at the bottom of the treatment tank, submerged in the wastewater. The diffuser is connected to a network of pipes that supply air from the blower or compressor to all the diffusers in the tank.


  • Efficient oxygen transfer for effective wastewater treatment.
  • Reduction of organic pollutants through the action of microorganisms.
  • Even distribution of oxygen throughout the treatment tank.
  • Durable construction for long-term use in challenging environments.

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