Baswood’s patented AIMS (Aerobic/Anaerobic Integrated MediaSystem) maximizes biological treatment by utilizing our patented DCAD (Dry Cycle Aerobic/Anaerobic Digestion) technology to maintain maximum treatment efficiency.
Wastewater is fed sequentially through a series of mixed biological fixed-film reactors. Within each reactor are treatment zones that are managed as trickling and submerged, allowing the technology to maximize sequential biological treatment within a single tank.The process involves transferring the wastewater through a series of reactors containing biologically diverse biomass.
The large population of attached and diverse biomass is more resistant to upsets that plague suspended growth systems.Treating wastewater in series, across multiple treatment zones reduces hydraulic retention time (HRT) within the system.The attached growth biomass enclosed in vertical reactors allows the Baswood system to require a smaller footprint.
Attachment of the biomass and solids to the fixed media in the vessels exponentially increases solids retention time (SRT),improving the digestion rate within the system. Increased SRTis a significant contributor to Baswood’s low sludge yield, with the patented DCAD technology further reducing secondary solids.
During the DCAD process, one of the reactors is taken off-line to prune the biomass. Removing the food source encourages endogenous decay of the biomass. Weight and volume measurements taken before and after the DCAD process show significant biomass reduction. In addition, enabling AIMS increased digestion capacity, the DCAD process maintains optimal hydraulic flow characteristics throughout the biomass-laden media. The system is designed so that the reactor vessels are cycled through the DCAD process without taking the system off-line. The units are internally self-buffering, which translates to avoided chemical costs.
What particularly impresses Frost & Sullivan is that together, the processes are able to overcome the major challenges of chemical and energy use, sludge management, and lack of operation ease that currently hamper the industry”
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Gallons of Water Treated