Edie+ articles on this day... for May 1999, 1998, 1995, 1990

Take a trip into the past and see what articles were in published in May 1999, 1998, 1995, 1990

May 1999

Honeywell BA298 RPZ valves (Reduced Pressure Zone ­ back flow preventers) are being used to prevent a pollution problem at Leeds City Station as part of the Leeds 2000 Development Project. The valves stop non-potable water from flowing back into the mains when water is supplied to the carria
Photocatalysis has been considered for a number of years to be an ideal technique for the treatment of industrial effluents. However, until now the cost of the process has been prohibitive for all but the most intractable problems. Recently Photox Bradford has developed a new approach to the
Virtual reality is being used to visualise the tidal hydraulics of the Thames Estuary and as a future prediction tool explains Maggie Templeman of Superscape.
» Wheal Jane minewater - the long term solution
» £0.5 million scheme protects salmon rich river
» Water treatment for British Sugar CHP plant
» Techniques to control industrial wastewater
» Businesses act in attempt to keep London dry


May 1998

Inside the sludge drying plant at Teeside Industry is investing major resources into expanding Combined Heat and Power capacity with the enthusiastic support of the Government for the economic and environmental benefits this solution can offer


May 1995



May 1990