Success and Failures of Thermophilic Anaerobic Digestion of Municipal Wastewater Sludge around the World
For many years, what has been said of other innovations might have been said of anaerobic digestion of municipal wastewater sludge with thermophilic microbes: that this technology was “an answer in search of a problem.” Thermophilic digestion rates and microbial activities are greater than mesophilic ones. As long as it was expected to produce the same result as mesophilic digestion, such as solid destruction and gas production, the main advantage that thermophilic digestion could offer was a reduction in tank volume for a given sludge flow. However, the reduced tank volumes of historical implementations of thermophilic digestion have not justified their increased operational costs.
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Document Type: Research Article
Publication date: 2001-01-01
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