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Fine Bubble Disc Diffuser for High Oxygen Transfer and Aeration Performance in Wastewater Treatment

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SHANGHAI DUBHE ENVIRONMENTAL PROTECTION&TECHNOLOGY CO.,LTD
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Fine Bubble Disc Diffuser for High Oxygen Transfer and Aeration Performance in Wastewater Treatment

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Brand Name :SSI
Model Number :DUDS
Certification :ISO
Place of Origin :South Korea
MOQ :1
Membrane thickness :2mm
Material :EPDM
Hole quantity :3500
SOTE(%) :22-59
Air Consumption :0.2-0.6m3/min
Shape :Disc
Service Area :0.5-1.0㎡/pcs
Bolt Length :9inch
Air Flow Rate :0.5-2.0 cubic feet per minute
Includes :Two (2) bolts
Model :FBD-9
Bubble Size :1-2 mm
Usage :Water Treatment
Plastics Tray :ABS
Feature :high oxygen transfer efficiency
Connector :3/4 NPT
Sote :35-59%
Mounting Type :Female threaded connection
Oxygen Transfer Rate :over 38%
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SSI ECD215 Disc Diffuser System – Advanced Aeration for Biological Wastewater Treatment

The fine bubble disc diffuser is a highly efficient aeration device widely used in wastewater treatment processes, particularly in aerobic biological treatment systems. It disperses air through fine pores, generating a large number of microbubbles to enhance oxygen transfer efficiency and effectively increase dissolved oxygen (DO) levels in water. This type of diffuser is commonly applied in aeration tanks, oxidation ditches, and aerobic treatment systems in wastewater treatment plants.

Working Principle of Fine Bubble Disc Diffusers

The fine bubble disc diffuser operates by forcing compressed air through a microporous diffusion disc, creating a dense cloud of fine bubbles. As these bubbles rise through the water, they facilitate gas-liquid contact, allowing oxygen to dissolve into the wastewater and increasing its DO concentration. Due to their small size (typically 1–3 mm in diameter), these bubbles provide a significantly larger surface area compared to coarse bubbles, maximizing oxygen transfer efficiency.

Key Advantages:

High Oxygen Transfer Efficiency (OTE): Microbubbles enhance mass transfer, reducing energy consumption.

Uniform Aeration Distribution: Ensures consistent DO levels throughout the tank.

Durable & Clog-Resistant: Advanced membrane materials minimize fouling and extend service life.

This technology is essential for energy-efficient and high-performance biological wastewater treatment.

Fine Bubble Disc Diffuser for High Oxygen Transfer and Aeration Performance in Wastewater Treatment

Key Features & Benefits

"Precision-engineered for extreme durability:
• Reinforced piping system with 38% increased wall thickness + dual support stands resists hydraulic/thermal fatigue
• Proprietary PTFE membranes maintain stable DWP (+/- 5%) while reducing energy consumption by up to 15% vs standard membranes"


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