edie feature articles on this day... for February 1998, 1997, 1994, 1989

Take a trip into the past and see what feature articles were in published in February 1998, 1997, 1994, 1989


February 1998

Can earthworms provide the answer to the sludge treatment problem?

Vermistabilisation is the use of earthworms to treat sewage sludges. Dr Piers Clark of WS Atkins Water explains how vermistabilisation, with its low capital cost and relatively simple operation, may represent the ideal solution to some rural UK sites, where raw sewage has traditionally been dispo

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Fired up for energy recovery

In part two of our seven-part Waste to Energy series, Robin Holder, Tal Golesworthy and Peter Davies of consultancy Environmental Development Technology explore the basics of burning waste with a look at current and future developments in firing systems.

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February 1997



February 1994



February 1989