Water & Wastewater Treatment

August 2014

Water & Wastewater Treatment Magazine

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www.wwtonline.co.uk | WWT | AUGUST 2014 | 3 19 CASE STUDY: WESSEX WATER Managing energy usage has become business critical for the water sector. We find out how Wessex is driving massive savings with its Energy Hub 24 CASE STUDY: WATERAID ETHIOPIA From solar-powered pumping to local community training – this is water at its most sustainable 04 News Water sector saves £3B in three years, fracking of 'minimal risk' to aquifers and AECOM spends $4B on URS plus 'Contract tracker', 'Polluters pay' and more 07 Industry Leaders Lord Smith The outgoing chairman of the Environment Agency talks to WWT about climate change, fl ooding fall out and why the structure of the UK water sector works well 29 Digging Deeper We fi nd out who's doing what in the fi eld of AD and assess how the water sector is taking the lead in energy recovery 35 Getting to Grips... ...with trickling fi ltration. Our guide to this treatment technology 38 Technically Speaking With advances in anaerobic processes, Professor Bruce Jeff erson of Cranfi eld University asks: "Is it time to switch the air off on acti- vated sludge?" 43 Nuts & Bolts The latest product news Contents August ON THE COVER Tirfi e Tikura, Gellabo village resident "I used to wake up worrying about how early I should leave to get water, but now I can go to the taps... and I know there will be water". Managing editor Will Parsons wwtedit@fav-house.com Sales executive North/Midlands Judith Eastham 0161 903 1512 judith.eastham@fav-house.com Sales executive South/Global Michael Butcher 01342 332073 michael.butcher@fav-house.com Classified sales Alyson Brice 01342 332075 alyson.brice@fav-house.com Production Editor Mike Smith Publisher Angela Himus 01342 332060 angela.himus@fav-house.com EDITORIAL BOARD Simon Barnes Yorkshire Water Nigel Paterson Veolia Water James Chalmers ABB Piers Clark Thames Water, Isle Utilities Tony Conway United Utilities Paul Gibbs Anglian Water Graham Keegan Eight 2 O Mark Allen Black & Veatch Duncan Lewis Xylem Water Solutions Austin Penn Sulzer Pumps Municipal Water Frank Rogalla Aqualia Mark Smith WRc Prof Tom Stephenson Cranfield University, British Water, Bluewater Bio Steve Webber Murphy Group Publisher's note: This issue includes editorial photographs provided and paid for by suppliers.WWT digital editions, round tables, video, news, features, jobs, products. www.wwtonline.co.uk wwt@fav-house.com Published by Faversham House Ltd Faversham House, Windsor Court, Wood Street, East Grinstead, West Sussex, RH19 1UZ Telephone: 01342 332000 Fax: 01342 332001 Subscriptions: 020 8955 7045 or email: fhcustomerservices@abacusemedia.com The title Water & Wastewater Treatment is registered at Stationers' Hall. Printed by Buxton Press Limited, Palace Road Buxton Derbyshire SK17 6AE. Copyright 2014. Faversham House Ltd. No part of this publication may be reproduced by any means without prior written permission from the publishers. Every effort is made to ensure the accuracy of material published in Water & Wastewater Treatment. However, Faversham House Ltd will not be liable for any inaccuracies. The views expressed by contributors are not necessarily those of the editor or publishers. Both text paper and cover stock are printed on PEFC accredited paper. For more info see www.PEFC.org. License number PEFC/16-33-141. Technical articles of full page, or more appearing in this journal are indexed by British Technical Index.© 2014 Faversham House Group Ltd. ISSN 1759-5932 Average circulation Jan-Dec 2013: 8,680 1yr: UK £99 Overseas (airmail) £113/$198 2yr: UK £171 Overseas (airmail) £199/$349 Subscriptions: PIPING UP "We are potentially going to see more periods of fl ood and more periods of drought. Where you've got seriously diminished fl ow and some of the automatic abstraction rights that exist at the moment, you cannot manage and plan for a river catchment properly. It has to be sorted out." Lord Chris Smith, Environment Agency 13 CASE STUDY: WYKE FARMS A new wastewater recovery and treatment plant has future- proofed supply

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