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The Aquarobic Mini Plant
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About Process Description Components Add On Components System Operation

Aquarobic Mini-Plant System Operation

The Mini-Plant is a Sequential Batch Reactor (SBR) system programmed by a factory set timer, which regulates aeration, settling and pump functions. The system discharges a batch of aerobically (highly treated effluent averaging 7 BOD & 11 SS) through a forward flush 100 micron spin filter. The spin filter further reduces the suspended solids to less than 10 ml/l, prior to discharge to the drip irrigation system.

The Aquarobic Mini-Plant program aerates for 20 hours a day, supplying the wastewater with fine diffused air from 6 A.M. until 2 A.M. the following morning. At 2 A.M. the program turns off the compressor and a 3 hour quiescent settling period follows. During this period, the aeration tank becomes the settling tank (clarifier) and the batch process uses this time to separate the solids from the clear supernatant.

After the Mini-Plant's perfectly quiescent 3 hours settling period, the clear supernatant (effluent) is discharged (8 minutes "on" and 2 minutes "off" 5 a.m. to 6 a.m.) to the spin filter, further polishing prior to passing through to the K valve and into one of the drip irrigation zones. During the 2 minute "off" period, the K valve switches to the next zone. The process repeats until the low water float switch turns the effluent pump "off" or the one-hour period expires. The tank capacity is always three times the daily wastewater flow.

The Aquarobic International, Inc. / Clearwater drip system forward flushes the spin filter while the pump is activated. Each zone has a 15-pound spring-loaded check valve at the return manifold; as the zone becomes pressurized the check valve opens allowing a continuous forward flushing of the zone back to the front of the Mini-Plant tank, for the remaining 8-minute "on" cycle.

The program restarts the daily cycle which further digests both the retained organic solids and incoming wastewater.


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Wastewater Treatment Systems
The Aquarobic Mini-Plant
The Mini-Plant series (Sequencing Batch Reactor-SBR) treats wastewater flows from 500 to 5,000 gallons per day.
More Information On The Aquarobic Mini-Plant
The Aqua O2 Maxi-Plant
The Maxi-Plant series (Sequencing Batch Reactor-SBR) treats wastewater flows from 5000 to 100,000 gal per day.
More Information On The Aqua O2 Maxi-Plant

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AquaO2 Wastewater Treatment Systems, Inc.  |  5800 Prillaman Switch Rd.  |  PO Box 579  |  Ferrum, Virginia 24088
Ph: Sales (800) 927-8304  |  Office: (540) 365-0154  |  Fax: (540) 365-0155  |  info@aqua-o2.com  |  Copyright © 2019, All Rights Reserved