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The Membrane Fine Bubble Diffuser is an advanced aeration device designed to efficiently transfer oxygen in wastewater treatment systems. It generates uniform fine bubbles through precision-perforated membranes, enhancing oxygen dissolution and promoting microbial growth.
Product Overview
The diffuser offers high oxygen transfer efficiency (OTE), low energy consumption, and long service life, making it ideal for biological aeration processes.
Working Principle
Compressed air passes through the air distribution system and enters the diffuser. The flexible EPDM or silicone membrane expands under pressure, allowing air to pass through fine perforations to form tiny bubbles. When aeration stops, the membrane closes automatically, preventing backflow and clogging.
Main Components
Diffuser body: ABS or PVC engineering plastic
Membrane: EPDM, silicone, or PTFE-coated
Air inlet: Standard threaded or clamp-type connector
Check valve: Integrated anti-backflow design
Support base: Stainless steel or plastic frame
Features
Fine bubble diameter (1-3 mm) for excellent oxygen transfer
High OTE and low system backpressure
Corrosion-resistant and anti-aging materials
Self-closing membrane prevents clogging and backflow
Easy installation and low maintenance
Available in disc (Φ215-Φ350 mm) or tube (Φ65×1000 mm) types
Applications
Municipal and industrial wastewater treatment
Biological aeration tanks (SBR, MBBR, A/O, A²/O)
Equalization and oxidation ditches
Aerobic and nitrification systems
Optional Configurations
Membrane material: EPDM, silicone, or PTFE
Type: Disc, tube, or plate diffuser
Mounting system: Fixed frame or quick-release
Air flow range: 1-12 m³/h per unit
Custom connectors and pipeline sizes
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2006
Total Annual:
70200000-140400000
Employee Number:
1000~2000
Ecer Certification：
Verified Supplier
Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment... Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment...
