Full-Scale Acid-Phase Digester Delivers Promised Benefits

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The City of Turlock, California operates a 15 million gallon per day (mgd) facility that treats a combination of industrial and municipal wastewater. In order to increase capacity in their solids treatment system, The City of Turlock (Turlock) converted their conventional anaerobic digestion process to a two-phase (acid-gas) anaerobic digestion process in September 2006. One new 40-foot diameter acid-phase digester was constructed and the existing conventional digesters (including one new 80-foot diameter digester) were converted into methane-phase digesters. The new two-phase digestion process addressed three drivers for improving solids treatment at Turlock: increased process efficiency, stable digester operation, and reduced plugging of primary float piping.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864708790893152

Publication date: January 1, 2008

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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