Drinking Water Quality & Health
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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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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...
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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...
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Performance of Fast Butt Fusion Jointing
99/WM/02/7 - ISBN: 1 84057 150 0A high productivity butt fusion welding process has been developed by Fusion Group. The process was evaluated on PE80 and PE100 pipe materials in sizes up to 400mm and compared against butt fusion joints prepared under conven... More...
Price: £100
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Estimating Legitimate Non- Household Night Use Allowances
99/WM/08/26 - ISBN: 1 84057 165 9This study has produced a robust and generalised methodology that can be used by individual companies to more accurately determine legitimate non-household metered use. This should improve the accuracy of regulatory reporting... More...
Price: £100
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A Review of Leakage - Updating Managing Leakage Methodology and Theory
97/WM/08/10 - ISBN: 1 84057 036 9The first update of 'Managing Leakage', the 1995 water industry report. Economics of leakage methodology, both short and long term is developed in detail. There are case studies on whole- life costing. Seven key areas of UKWI... More...
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