Disc Diffusion Bubble Disc Diffuser
AquaSust Smart Disc Diffuser Maintenance
AquaSust recommends that the pressure loss of the aerators to be monitored and documented in plant records on a regular basis once the aeration system is put into operation so that an appropriate cleaning cycle can be established. The pressure loss should always be measured at a constant airflflow rate as it is directly proportional to airflflow rate. It is advisable to clean the aerators regularly and whenever the increase in pressure loss reaches 30 mbar. The pressure gauge can be a permanent or temporary installation but it has to be able to measure pressure between 0.1 - 0.8 bar to an accuracy of 1 mbar (for wastewater depth up to 6 m). Depending on the design of the aeration system, the aerators can be accessed by draining the aeration tank or lifting the aeration grid out of the aeration tank. If draining of the aeration tank takes more than one day, the minimum airflflow to the system should be maintained during the draining of the aeration tank.
The following items may be helpful in servicing the aerators during maintenance:
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High-pressure hosing equipment.
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Ladder to access the aeration tank.
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Protective gloves and clothing.
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Long-handle bristle brush for cleaning aerators.
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Special REHAU pliers and single-ear clamps (for pipe aerators).
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Spare membranes.
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