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Modelling Sludge Opex Efficiency
Price: £300
Ref: 11/RG/04/4
ISBN: 1 84057 590 5
Published: 2011
The main objectives of this project were to: understand the data and methodological issues that appear to have restricted previous attempts to model sludge operating costs, and; develop a robust approach to explain the variation in sludge operating costs across companies.
The first stage of the project provided recommendations to mitigate the issues identified with the data and approaches used in previous analysis. In the second stage, these recommendations were explored and econometric models for sludge expenditure were developed. These models demonstrate emperically that sludge volumes, landbank availability and population density are drivers of sludge expenditure. Data limitations have meant that it has not been possible to tackle all the issues identified in the project. However, the analysis does go some way to developing a robust econometric model for sludge costs that could be used as an alternative to the current Ofwat unit cost model.
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A Review of the Setting of Iron Limits for Wastewater Treatment Works Effluents
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Integrated Waste Management
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The Agronomic and Environmental Impacts of Phosphorus in Biosolids Applied to Agricultural Land: A Review of UK Research
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Uses for CO2 in Biogas Produced from Anaerobic Digestion - Summary Report
11/SL/13/2 - ISBN: 1 84057 593 XThe CO2 content of the biogas produced during wastewater treatment is not counted as emissions under normal carbon accounting rules. A key objective of this project was to identify methods for capturing, separating and u... More...
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