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AquaSust
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AquaSust - Model AS-DD270 -Disc Diffuser

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The Disc Diffuser AS-DD270 by AquaSust is a high-efficiency aeration solution designed for wastewater secondary treatment, particularly in the textile and dyeing industries. This fine bubble diffuser features a 9-inch plate with a 270mm diameter, ensuring uniform bubble distribution and optimal aeration efficiency. It employs a membrane made of EPDM 8600N from ExxonMobil USA, known for its durability and performance. With a design flow range of 3.0-4.0 m3/h and a flow capacity ranging from 1.5-8.0 m3/h, the diffuser ensures significant oxygen transfer efficiency of at least 38% when submerged to 6 meters. The device also includes multiple integral check valves to maintain a clean aeration piping system. The carrier plate is constructed from formula-strengthened ABS material, enhanced with UV protection to extend its service life up to 15 years. If membrane performance declines, it can be easily replaced, adding to the long-term cost-effectiveness. The diffuser boasts a durable O-ring rubber seal and high-quality accessories, with eight ribs ensuring robust ABS support that lasts between 5 to 10 years.

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  • Category: Biochemical Tank -  Aeration Diffuser
  • Brand: AquaSust
  • Model: AS-DD270
  • Size: 9 inch  270MM
  • Membrane Material:EPDM 8600N  from EXXONMOBIL USA
  • Carrier Plate:Formula Strengthen ABS Material
  • Connector:3/4" NPT Male thread
  • Bubble size(mm):1.0-2.0
  • Design Flow(m3/h):3.0-4.0
  • Flow Range(m3/h):1.5-8.0
  • Standard Oxygen Transfer Efficiency(6m submerged):≥38%
  • Service Area(m2):0.25-1.0
  • Service Life(years):3 to 7
  • Number of perforations(Pcs)：6600
  • Use of Temperature(℃)：0-80
  1. Multiple integral check valves keep your aeration pipingsystem clean.( Membrane check Valve A and Structure checkvalve B together)
  2. High quality Juntai EPDM Membrane can guranateelonger service life.
  3. Durable O-ring rubber seal, high quality accessories, durable.
  4. Formula ABS Disc Support which made by ABS withstrength formula and UV protector. when install or rechange water,there are some sunlight throught water make the ABS plasticshorter life, AquaSust Formula ABS can be volid such problem.AquaSust Disc supportcan be used for more than 15 years. Ifneed.ifthe membrane is not good enough, we can just change themembrane is OK
  5. Eight Ribs make the ABS Support Sthrength enough for longservice life of 5 to 10 years
The AS-DD270 Disc Diffuser has a crucial role in the secondary treatment of textile and dyeing wastewater. Wastewater from the textile and dyeing industries usually contains high concentrations of organics, pigments, and chemical additives that are highly toxic to the environment and difficult to biodegrade. Disc aerators effectively remove pollutants from wastewater by providing fine and uniformly distributed bubbles that effectively increase the amount of dissolved oxygen in the water column, promoting microbial growth and biodegradation of organic matter.
 
The high oxygen transfer efficiency of this type of aerator is particularly suitable for treating complex organic matter in textile and dyeing wastewater, which requires large amounts of oxygen to sustain microbial metabolic activity. The ability of disk aerators to provide higher oxygen utilization at lower energy consumption is because they produce smaller bubbles, which increases the contact area of the bubbles with the water, thereby increasing the oxygen dissolution rate and transfer efficiency. In addition, the uniform bubble distribution of the disk aerator helps to ensure the consistency of microbial activity at all points in the treatment process, ensuring stable and efficient wastewater treatment results.
 
The use of disk aerators in textile and dyeing wastewater treatment not only significantly improves wastewater treatment efficiency and quality, but also reduces operating costs due to their low energy consumption and high durability. Their robust design and durable material choices, such as EPDM, ensure long-term stability and low maintenance requirements, maintaining efficient operation even when treating wastewater containing complex chemicals. As a result, disk aerators have become an indispensable tool in the secondary treatment of textile and dyeing wastewater, helping factories meet environmental standards while achieving cost-effective operations.