Updated on January 11, 2024


Created on October 2, 2018

AquaDisk Cloth Media Filter

Upcoming Update

The AquaDisk Cloth Media Filter is a wastewater treatment technology that uses cloth disks as an alternative to granular media filtration.

Tested By
  • Water Environment Federation (WEF)
Content Partners


Product Description

The AquaDisk Cloth Media Filter is a system that arranges disks of cloth media for tertiary filtration. The systems are available in arrangements of either six or twelve disks, and the media is chlorine resistant. Powered by a PLC control system, the filter operates in three phases: filter mode, backwash mode, and solids wasting mode. Filter mode involves sending water through the system where solids accumulate on the cloth media. Backwash mode cleans disks, and solids waste mode pumps waste to a collection area.

The AquaDisk price is quoted based on site specifications design following request from the manufacturer.

Target SDGs

SDG 6: Clean Water and Sanitation

Target Users (Target Impact Group)

Community, Public Sector Agencies

Distributors / Implementing Organizations

Aqua-Aerobic Systems, Inc.

Competitive Landscape

Direct competitors include Membrane Biofilm Reactor.

Manufacturing/Building Method

The AquaDisk is designed and made to order by the manufacturer based on specified site requirements.

Intellectural Property Type


User Provision Model

After systems are purchased directly from the manufacturer, they are shipped quickly, fully assembled, ready for operation.

Distributions to Date Status

Over 1000 units have been distributed.

Flow rate (L/min)

4000 – 8000 L/min

Power Supply Type


Technology type


BOD Removal Efficiency


COD removal efficiency


NH4-N Removal Efficiency

<3 mg/L

TSS removal efficiency


Total Phosphorus Removal Efficiency

<0.1 mg/L

Fecal Coliform Removal Efficiency

4 Log

Design Specifications

The surface area of each cloth media filter disk is 323 cubic feet, with a hydraulic loading of 3.25 GPM/ft2 (ADF). Both packages (6-disk and 12-disk) were designed to optimize wastewater treatment; the 6-disk unit operates at an average capacity of 1042 GPM, while the 12-disk unit enables a flow of 2084 GPM.

Product Schematics

Technical Support

Technicians trained by the manufacturer are available for technical support. In addition the technicians provide training to system operators (related to filter disk changing, nutrient removal optimization, etc.) either during site visits or via video clips.

Replacement Components

Additional replacement cloth media filter disks can be purchased from the manufacturer.


The AquaDisk lasts 7-10 years before replacement.

Manufacturer Specified Performance Parameters

The manufacturer specifies performance targets related to high solid and hydraulic loading rates, low hydraulic profile and backwash rates, and low life-cycle cost.

Vetted Performance Status

The AquaDisk cloth media filter has been vetted in Wisconsin pilot studies by the manufacturer, for a Total Phosphorus removal of <75 ?g/L.


The systems must be maintained properly and back washed consistently to ensure optimal filtration and that the discharged clean water is safe to use.

Complementary Technical Systems

As a tertiary filtration system, the AquaDisk must be coupled with a primary filtration system to initially remove solids and substrates from the wastewater.

Academic Research and References

Furuya, A. et al., 2005, Evaluation and design of a cloth disk filter to meet title 22 reuse criteria, Proceedings of the Water Environment Federation 9: 6152-6164.

Compliance with regulations

Cloth media is approved under California Code of Regulations (CCR) Title 22.

Evaluation methods

The filtration systems are evaluated based on the average flow rate they accommodate, the frequency of maintenance and cleaning, and the level of particle removal efficiency by the cloth filtration media.

Other Information

Aqua-Aerobic Systems provides more information about their AquaDisk Cloth Media Filter in this video. Aqua-Aerobic Sustems - The Best in Phosphorus Removal.

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