Reports
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Membrane Treatment - Technical Guidance Document
Price: £450
Ref: 05/DW/14/1
ISBN: 1 84057 390 2
The report provides background information on the various proprietary membrane processes. It also gives case study information and general methodologies for fouling amelioration and integrity testing along with appropriate strategies provided for membrane plant maintenance and recommended ranges of values for key plant operational parameters, based on practical experiences.
Evidence provided across 17 UK membrane plants and 10 in the US, reveals that the US plants generally perform with fewer problems encountered concerning periodic fouling and loss of membrane integrity, despite generally poorer qualities of water being treated. The observed differences appear to be associated with more frequent backflushing, lower design operating fluxes and a rigorous cleaning protocol.
The report recommends that UK plant be operated under conditions that more closely resemble those of the US plant; benefits from optimal membrane operation are self-evident. Any strategy which extends membrane life through adopting the most effective cleaning protocols and pre-treatment processes is likely to be favoured provided the amortised cost of these does not exceed that from recovered membrane expenditure.
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UKWIR/EA Definition of Key terms for Water Resources Practitioners
97/WR/14/1 - ISBN: 1 84057 001 6A joint UKWIR/Environment Agency report that allows easy access to over 200 definitions and abbreviations. Produced for the purpose of clear communication on a common basis in the UKWIR regulatory work on water resources. In... More...
Price: £10
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On- line Instrumentation Standards and Practices
00/PC/03/1 - ISBN: 1 84057 180 2This report deals with the management and exploitation of on- line measurement in the UK water industry. The results from a survey of the perceptions of managers and practitioners are presented along with other industry data.... More...
Price: £400
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The Environmental Impact of Phosphorus from the Agricultural Disposal of Sewage Sludge - Stage 3
97/SL/02/4 - ISBN: 1 84057 013 XLaboratory, lysimeter and field studies continue to show wide variability the potential bioavailability of phosphorus in sewage sludge. Under operational rates of application, losses of phosphorus in run-off from plots recei... More...
Price: £100
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UKWIR/EA A Unified Methodology for the Determination of Deployable Output from Water Sources - Volume 1
00/WR/18/1 - ISBN: 1 84057 198 5This joint UKWIR/ Environment Agency project examined current practices for determination of surface water and ground water deployable output (DO) and concluded that a unified approach was both desirable and feasible. However... More...
Price: £150
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Exploring the Cost Benefit of Separating Direct Surface Water Inputs from the Combined Sewerage System
09/WM/07/13 - ISBN: 1 84057 533 6Urbanisation and climate change are increasing the volume of rainfall discharging to the public combined sewerage system, resulting in increased risk of flooding and pollution with unnecessary pumping and treatment costs.
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