Fine Bubble Disc Diffuser
Key Features
| Fine Bubble Disc Diffuser | : | Product Name Fine Bubble Disc Diffuser Brand Indian Carbon / Equivalent OEM Type Fine Bubble Aeration Disc Diffuser Bubble Diameter 1–4 mm Airflow Rate 0.5–10 m³/h per diffuser (model dependent) Oxygen Transfer Efficiency (OTE) 15–25% per meter submergence Operating Depth 2–6 meters Operating Temperature Up to 50°C Material of Construction High-Strength Polymer / Stainless Steel / Reinforced Plastic Membrane Type Perforated or Slotted Membrane Corrosion Resistance High, suitable for chemical and wastewater exposure Mounting Manifold or Grid System Durability Resistant to fouling, abrasion, and chemical attack Service Type Continuous Duty Maintenance Periodic cleaning of membranes and inspection Applications Municipal Wastewater, Industrial Effluent, Aquaculture, Sludge Mixing, Pre-Treatment Tanks Features Uniform Bubble Distribution, Energy Efficient, Low Maintenance, Long Service Life Optional Accessories Floatation Assemblies, Mounting Clips, Quick-Connect Fittings Certifications ISO 9001 / CE Certified Country of Origin India |
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Fine Bubble Disc Diffuser —
Fine Bubble Disc Diffusers are advanced aeration devices used in wastewater treatment, aquaculture,
and industrial water management systems to efficiently transfer oxygen into
liquids. Designed to produce small, uniform bubbles, these diffusers maximize
oxygen transfer efficiency while minimizing energy consumption. Fine bubble
disc diffusers are widely employed in municipal sewage treatment plants,
industrial effluent treatment, and aquaculture applications to enhance
biological processes, improve dissolved oxygen levels, and ensure thorough
mixing of the liquid medium.
Working
Principle
Fine Bubble DiscDiffusers operate by dispersing compressed air through a network of perforated
membranes into a liquid tank. Unlike coarse bubble diffusers, fine bubble
diffusers generate bubbles typically ranging from 1 to 4 mm in diameter.
Smaller bubbles provide a larger surface area per unit volume, increasing the
rate of oxygen transfer into the liquid.
As the fine bubbles
rise, they transfer oxygen efficiently and create gentle turbulence that
promotes uniform mixing without disturbing settled solids. This ensures
consistent aeration throughout the tank and optimizes biological treatment
processes. Fine bubble diffusers are particularly suitable for
low-oxygen-demand processes, deep tanks, and applications where energy
efficiency is a priority.
Design and
Construction
Fine Bubble DiscDiffusers are designed for durability, chemical resistance, and long-term
performance in harsh wastewater environments. Typically, they consist of a rigid
disc base made from corrosion-resistant materials such as high-strengthpolymers, stainless steel, or reinforced plastics. The diffuser membrane orperforated disc ensures consistent bubble formation and is engineered to resist
fouling, abrasion, and chemical degradation.
Key design
features include:
·
Rigid Disc Base:
Provides structural integrity and stability under varying airflow rates.
·
Perforated Membrane:
Creates uniform fine bubbles for optimal oxygen transfer.
·
Flexible or Elastic Materials: Facilitate easy installation, maintenance, and replacement.
·
Corrosion and Chemical Resistance: Ensures durability in aggressive wastewater and industrial
effluent conditions.
·
Uniform Bubble Distribution: Ensures complete aeration across the tank.
Optional accessories such as mounting
adapters, quick-connect fittings, or floatation assemblies are available to
simplify installation and maintenance in different tank designs.
Performance and Efficiency
Fine Bubble DiscDiffusers are engineered to provide maximum oxygen transfer efficiency while
reducing blower energy consumption. The small bubble size increases the contact
time between air and liquid, resulting in higher dissolved oxygen levels with
less air input.
·
Bubble Diameter: 1–4
mm for optimal oxygen transfer
·
Airflow Rate: 0.5–10
m³/h per diffuser (depending on model)
·
Oxygen Transfer Efficiency (OTE): 15–25% per meter of submergence
·
Operating Depth: 2–6
meters, depending on tank design
·
Operating Temperature: Up to 50°C
·
Durability: Resistant
to fouling, abrasion, and chemical exposure
Fine bubble diffusers
typically achieve better energy efficiency compared to coarse bubble systems,
particularly in deep tanks or systems requiring precise aeration control.
Applications
Fine Bubble DiscDiffusers are suitable for a wide range of aeration and oxygenation
applications:
·
Municipal Wastewater Treatment: Aeration in activated sludge tanks, oxidation ditches, and
sequencing batch reactors.
·
Industrial Effluent Treatment: Aeration for chemical, textile, pharmaceutical, and food
& beverage wastewater.
·
Aquaculture:
Maintaining optimal dissolved oxygen levels in ponds and tanks.
·
Sludge Mixing and Aeration: Prevents sedimentation and ensures uniform treatment in
secondary processes.
·
Pre-Treatment Tanks:
Aeration in equalization or holding tanks to reduce odors and maintain oxygen
balance.
Their versatility and
efficiency make them ideal for applications requiring precise oxygen delivery,
energy savings, and consistent process control.
Advantages
·
HighOxygen Transfer Efficiency: Fine bubbles increase surface area andcontact time for better oxygenation.
·
Energy Efficient:
Reduces blower energy requirements compared to coarse bubble systems.
·
Durable and Corrosion-Resistant: Materials withstand chemical, abrasive, and temperature
challenges.
·
Uniform Aeration:
Provides consistent oxygen distribution throughout the tank.
·
Low Maintenance:
Simple construction reduces clogging and maintenance needs.
·
Mixing and Suspension: Fine bubbles ensure even distribution of solids and prevent
sedimentation.
·
Flexible Installation: Modular design allows easy placement, replacement, and maintenance.
Installation and Maintenance
Fine Bubble DiscDiffusers are typically installed on manifolds or diffuser grids within
aeration tanks. They are secured using clips, adapters, or flexible
connections. Proper alignment and airflow distribution are essential for
maximum oxygen transfer efficiency.
Routine maintenance
includes:
·
Cleaning membranes to
remove fouling or debris
·
Inspecting for wear,
damage, or clogging
·
Checking airflow and
pressure to ensure optimal performance
With preventive
maintenance, fine bubble disc diffusers can provide consistent performance for
many years.
Safety and Operational
Considerations
·
Ensure proper airflow
and operating pressure to prevent membrane damage.
·
Avoid exposure to
extreme chemical concentrations beyond material resistance.
·
Install pressure relief
and non-return valves in the blower or compressor system.
·
Regular cleaning
maintains consistent bubble size and aeration efficiency.
These precautions help
maintain operational safety, process efficiency, and diffuser longevity.
Conclusion
Fine Bubble Disc Diffusers are a highly efficient and reliable solution for aeration in
wastewater treatment, aquaculture, and industrial processes. By generating
small, uniform bubbles, they maximize oxygen transfer, promote uniform mixing,
and reduce energy consumption. Their durable construction, chemical resistance,
and low maintenance requirements make them ideal for both municipal and
industrial applications.
By combining superior
oxygen transfer efficiency, energy savings, and long service life, fine bubble
disc diffusers contribute to improved process performance, sustainability, and
operational cost savings, making them a vital component in modern water and
wastewater treatment systems.
| Fine Bubble Disc Diffuser | Product Name Fine Bubble Disc Diffuser Brand Indian Carbon / Equivalent OEM Type Fine Bubble Aeration Disc Diffuser Bubble Diameter 1–4 mm Airflow Rate 0.5–10 m³/h per diffuser (model dependent) Oxygen Transfer Efficiency (OTE) 15–25% per meter submergence Operating Depth 2–6 meters Operating Temperature Up to 50°C Material of Construction High-Strength Polymer / Stainless Steel / Reinforced Plastic Membrane Type Perforated or Slotted Membrane Corrosion Resistance High, suitable for chemical and wastewater exposure Mounting Manifold or Grid System Durability Resistant to fouling, abrasion, and chemical attack Service Type Continuous Duty Maintenance Periodic cleaning of membranes and inspection Applications Municipal Wastewater, Industrial Effluent, Aquaculture, Sludge Mixing, Pre-Treatment Tanks Features Uniform Bubble Distribution, Energy Efficient, Low Maintenance, Long Service Life Optional Accessories Floatation Assemblies, Mounting Clips, Quick-Connect Fittings Certifications ISO 9001 / CE Certified Country of Origin India |
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