Sludge success

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High Five
Wednesday, June 10, 2009

Clean Water Services has found a way to turn its sewage into something beneficial. The system removes phosphorus and ammonia and makes fertilizer pellets, which the utility then sells to nurseries.

A Washington County sewer utility found a way to get rid of some of its most troublesome pollutants: sell them to gardeners.

Clean Water Services installed a system at its Durham treatment plant that pulls phosphorus and ammonia from sewage waste and processes them into fertilizer pellets that are then sold to nurseries. The system, which began operating last month, is the first of its kind in the United States, and it’s drawing some big-name attention.

Read the full story in the Daily Journal of Commerce.

 
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