AquaDisk Cloth Media Filter
Aqua-Aerobic Sysmems Inc.
The AquaDisk Cloth Media Filter is a wastewater treatment technology that uses cloth disks as an alternative to granular media filtration.
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 is available in North America, South America, Caribbean and the South Pacific.
The AquaDisk price is quoted based on site specifications design following request from the manufacturer.
Primary competitors include the Deep Bed Filtration, Rapid Filtration and Membrane Filtration.
Goal 6: Clean water and sanitation
The AquaDisk is suitable for municipalities, communities and local governments wastewater treatment.
The AquaDisk is designed and made to order by the manufacturer based on specified site requirements.
Over 1000 units have been distributed.
Flow rate of the equipment
Type of wastewater treatment process
How effective is the process at BOD removal?
How effective is the process at COD removal?
How effective is the process at NH4-N removal?
How effective is the process at total suspended solid removal?
How effective is the process at total phosphorus removal?
How effective is the process at fecal coliform removal?
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.
Additional replacement cloth media filter disks can be purchased from the manufacturer.
The AquaDisk lasts 7-10 years before replacement.
The manufacturer specifies performance targets related to high solid and hydraulic loading rates, low hydraulic profile and backwash rates, and low life-cycle cost.
The AquaDisk cloth media filter has been vetted in Wisconsin pilot studies by the manufacturer, for a Total Phosphorus removal of <75 μg/L.
The AquaDisk has been tested by the Water Environment Federation.
The systems must be maintained properly and back washed consistently to ensure optimal filtration and that the discharged clean water is safe to use.
As a tertiary filtration system, the AquaDisk must be coupled with a primary filtration system to initially remove solids and substrates from the wastewater.
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, pp. 6152-6164.
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.
Aqua-Aerobic Systems provides more information about their AquaDisk Cloth Media Filter in this video.
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