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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Review of the Approach to Efficiency Assessment in the Regulation of the UK Water Industry
07/RG/04/2 - ISBN: 1 84057 437 2Could Ofwat conduct price control reviews without relying on econometric modelling and imposing the data collection burden that this entails? Could Ofwat find more robust and transparent ways of analysing and combining evi... More...
Price: £600
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Tightening WwTW Emission Standards - A Review of the Treatment Technologies And Their Impact On Climate Change
02/WW/04/1 - ISBN: 1-84507 259 0This study examines the feasibility of meeting tighter effluent quality standards at wastewater treatment works. The impact of these tight standards on energy use, greenhouse gas (GHG) emissions and costs has been assessed. ... More...
Price: £150
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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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Capital Maintenance Planning: Failure Data and Analysis Methodology for Water Mains
06/RG/05/16 - ISBN: 1 84057 427 5More...
Price: £300
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Acceptability of Water to Customers
07/CU/02/3 - ISBN: 1 84057 433 XAn approach to formulating interventions and seeking funding to address aesthetic aspects of drinking water quality is considered. These aspects include discolouration and particles; taste and odour; and hardness. Guidance is... More...
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