MAKING EGG-SHAPED DIGESTERS MORE AFFORDABLE FOR SMALL TO MID-SIZE POTWs
Enhancements in digester geometry such as the egg-shaped digester (ESD) have been adopted for a number of large-scale anaerobic digestion projects to achieve a high level of end-product quality and maintain public confidence in the safety of land application. While the process advantages of ESDs have generally been well known, their use for small to mid-size installations has been slowed by perceptions of high cost. We now have over a decade of operating experience in North America with ESDs both large and small. This paper provides guidance on how the lessons learned can be applied to simplify future designs and to make ESDs more affordable—especially for small to mid-size plants.
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Document Type: Research Article
Publication date: 2001-01-01
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