Sludge and Waste Management
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A Survey of E. coli in UK Sludges
Price: £100
Ref: 99/SL/06/3
ISBN: 1 84057 168 3
A survey was undertaken to rapidly assess the effects of different processes on numbers of Escherichia coli in sludges from all parts the U. K All of the processes surveyed reduced the numbers of E. coli . Composting, lime addition and thermal drying reduced numbers to the limit of detection. 90% of reductions were log 6 or greater. Lagooning of sludge was capable of reductions in the order of log 5 Mesophilic Anaerobic Digestion (MAD), the most popular process in the survey, reduced E. coli by, on average, between log 1.4 and 2.3. The one vermiculture site showed results intermediate between MAD and the “advanced” processes.
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Methods for the Detection and Enumeration of Pathogens in Biosolids
00/SL/06/5 - ISBN: 1 84057 212 4A generic method has been developed for the resuscitation, detection and enumeration of bacterial pathogens. This provides a robust and flexible platform for pathogens in model digester systems, and in field trials. New metho... More...
Price: £150
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