Day: 1 April 1999

SABINA puts waste minimisation to work on corporate sustainability

Can waste minimisation help a company move towards becoming a more sustainable operation? SABINA, the recent Severn Estuary project, says 'yes'. Here's how.

Plumbosolvency ­ control and minimisationArticle Title

Although water leaving a treatment works is almost entirely free of lead, by the time it reaches the taps of about nine million homes it has picked up lead from the pipes and fittings. Andrew Elphinston, senior chemical engineer for Binnie Black & Veatch, examines the issues arising from plumbosolvency and what can be done to comply with legislation and reduce the risk to health.

Treating seasonal algal blooms

Seasonal algal blooms can cause major problems in water treatment works, particularly those where treatment is by direct filtration. Counter Current Dissolved Air Flotation (COCODAF) is now established as a high-rate process for the treatment of low-turbidity, coloured or algal-laden water writes Paterson Candy.

. . . that damned elusive coliform

Yorkshire Water Services, in common with other water companies, have been attempting to minimise the incidence of low level coliforms in distribution systems ­ with mixed success writes JG O'Neill public health scientist and J Banks process engineer at Yorkshire Water Services.

Water resources and the April deadline

The Government's insistence that water companies look to a 25 year horizon in resource planning takes the process into a time that may see the early stages of climate change. RAJ Arthur explains why the age of demand management is here.

Pipes bursting with success

The Met Office, in association with Thames Water, recently launched a Œstate-of-the-art' weather forecasting service, designed to give advance warning of potential burst situations, particularly in underground cast iron pipes, when sub-zero temperatures are anticipated reports Brian Dumbleton.

Messing about on the river

As the song goes there's nothing quite like Œmessing about on the river'. according to statistics our waterways, rivers and reservoirs are providing some great leisure opportunities. WWT reports on some of the initiatives which are now taking place around the country.

Integrating approach to maintaining quality

Bob Borrill, water supply process manager at West Midlands Region of Severn Trent Water, explains how the collection and interpretation of data, often provided by computer control systems, is vital in the drive to improve the standard of service provided to its customers.

Setting the standards in drainage

Specifiers and installers of plastic underground drainage systems already know what benefits the material can offer. Lightweight, easy to install, durable and cost-effective, plastic has taken the underground drainage market by storm over the last 20 years. But the market is constantly changing. Frank Jones, director of the British Plastics Federation Pipes Group, explains the latest European legislation covering underground drainage systems.

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