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Overview of Best Anaerobic Digestion Technologies When Sustainability is Important

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Abstract:

This paper is an overview of the latest anaerobic municipal ww sludge digestion technologies being used, seriously considered and/or being developed in North America and the UK. These all have demonstrated increased volatile solids destruction and gas (methane) production capabilities compared to conventional MAD (Mesophilic Anaerobic Digestion) and some offer improved pathogen control. Several are already the primary choices in the UK where sustainability is a key consideration and net energy production dominates decision making. This paper includes STAD (Staged Thermophilic Anaerobic Digestion), Single stage Acid Phase Acid/Gas (A/G) systems, Multi stage Acid Hydrolysis A/G Anaerobic Digestion, CAMBI® (Thermal Hydrolysis) and other promising, but less developed /popular, technologies: MicroSludge®, OpenCEL™ and Cellruptor™ (Bug Buster).

Keywords: Acid Hydrolysis; Anaerobic Digestion; Biosolids; Energy; Gas production Thermal Hydrolysis; Pathogens VS Destruction; Sustainability; Thermophilic

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864709793846727

Publication date: January 1, 2009

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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 These proceedings are not peer reviewed.

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