Revenue losses averted with Aire-O2® aerators

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Courtesy of Aeration Industries International (AII)

The AIRE-O2® aerators maintain good effluent dissolved oxygen residuals

Problem

In December of 1987, this paper and board mill developed a load problem requiring immediate action: improve wastewater treatment efficiencies fast or slow down mill production to prevent a discharge violation. A slow down would result in significant revenue loss. The southern USA mill’s superintendent said, 'we needed installed oxygen quickly.'

Solution

The AIRE-O2® aspirator aeration system was chosen to boost the mill’s diffused air system and avert a permit violation. They said, 'Equipment availability & speed of installation were critical. We called Aeration Industries on a Saturday and placed the order. The 8 x 50 hp (37 kW) units arrived on Monday and by Wednesday, the units were installed and operational. After close monitoring of the ponds, we were real pleased with the effects.'

Results

With the added AIRE-O2® aerators, the mill realized prior mixing of the 264 MG (995,455 m 3) lagoon had been inadequate. 'The AIRE-O2® aerator’s exceptional mixing capabilities have eliminated the need for recycling sludge to the system’s input for re-seeding purposes.' More aerators have been added over the years. The aerators have even increased the diffused air system’s efficiency. The mill has met its permit requirements, seven days a week, 24 hours a day...and enjoys an added comfort level!

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