Authors: Hunt, Paul; Schroedel, Ralph; Wilson, Tom

Source: Proceedings of the Water Environment Federation, Residuals and Biosolids 2009 , pp. 254-274(21)

Publisher: Water Environment Federation

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; Sustainability; Thermophilic; Pathogens VS Destruction

Document Type: Research article

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

Publication date: 2009-01-01

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