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Submerged Attached Growth Reactors (SAGR)
Submerged Attached Growth Reactors using the LINEAR Forced Bed Aeration ™ system are low capital cost, low maintenance systems that can reliably reduce effluent ammonia levels.

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Permeable Floating Cover

The self-supporting permeable floating cover rests on the surface of the water and allows rainwater or snowmelt to pass through it. This eliminates the cost and maintenance for collecting and pumping the rainwater as is required with traditional impermeable covers.  In addition, a gas tight seal is unnecessary.

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The OPTAER™ system is mechanically simple, providing ease of operation and low maintenance while meeting stringent effluent requirements.