Ceramic disc diffusers

Overview Specifications Industries & Applications Documentation & Tools
Overview

Overview

Product Features
  • Handles aeration of highly corrosive wastewater
  • Specialized compression molding delivers high oxygen transfer efficiency
  • Life expectancy of 20+ years with low maintenance
  • Full interchangeability with Sanitaire membrane disc systems

Low total cost of ownership

Sanitaire ceramic disc diffusers handle aeration of aggressive wastewater and deliver high oxygen transfer with efficiency and cost savings. A specialized compression-molding technique achieves optimal contours for high oxygen transfer efficiency at low operating pressures. Variable areas of density across the disc surface promote uniform airflow distribution which contributes to low system head loss, low energy consumption, and low operating costs. 

Built to last with no energy waste

Sanitaire ceramic discs also feature a top-sealing threaded retainer ring, which ensures an airtight seal. As air pressure increases, the sealing force on the O-ring increases and creates an airtight seal. No air leaks means no energy waste.   

Durable, reliable and clog-resistant, Sanitaire ceramic discs are low-maintenance diffusers that typically last 20 or more years. To prolong service life further, an optional in-place gas cleaning system is available.

Specifications

Specifications

General Information
Ceramic disc diffusers
Standards
ASCE, ATV, ISO, ASTM, ASME
Applications
Conventional Activated Sludge, MBR, SBR, Oxidation Ditches, Channel Aeration
Air on / air off operation
Yes
Shop oxygen transfer test
Available
Performance warranties
Yes
Fixed to floor systems
Yes
Retrievable (liftable) design available
Yes
System Components
Ceramic disc diffusers
Droplegs
304 SS, 316 SS
Manifold
uPVC, cPVC
Distribution header
uPVC
Supports
304 SS, 316 SS
Liquid purge system
Manual or Automatic Available
Disc diffusers
uPVC, EPDM
Controls (optional)
OSCAR process performance optimizer
Blowers (optional)
Positive displacement or centrifugal
SaniClean liquid cleaning system (optional)
Safe diffuser DWP recovery system
Diffuser Properties
Ceramic disc diffusers
Diffuser types (mm)
Saddle - 178 mm and 229mm
Diffuser types (inches)
Saddle - 7" and 9"
Typical operating air flow range per diffuser
0.3 scfm to 3 scfm (0.5 Nm3/h to 4.7 Nm3/h)
Typical standard oxygen transfer efficiency (SOTE)
6-7% per m submergence (2-2.5% per ft submergence)
Typical standard aeration efficiency
2.5-6 kg O2 / kWh (4-10 lb O2 / hph)
Special features
20+ year expected life
Diffuser membrane material
Sanitaire Ceramic Blend
Diffuser holder material
uPVC
Effective surface area
7" = 0.26 ft2 (0.024 m2) , 9" = 0.41 ft2 (0.038 m2)
Orifice size
5.3mm or 6.1mm
Industries & Applications

Industries & Applications

Recommended Industries and Applications

Pharmaceutical / Biopharmaceutical Wastewater Treatment
Documentation & Tools