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

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

April 1998

Working and training for confined spaces

safe working procedures must be followed in confined spaces

It is not always easy to identify what constitutes a confined space. It is often the process that takes place in that area and the surrounding environment that creates the hazards within the confined space reports Tina Lillington of WTI.

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Designs on heat recovery from burning waste

Better understanding of the behaviour of salts and heavy metals produced by waste incineration is necessary to keep up with the increasing complexity of fouling and corrosion problems, as more difficult waste streams are burnt.

Fouling and corrosion to conventional boilers makes them unsuitable for recovering heat from waste incineration. Robin Holder, Tal Golesworthy and Peter Davies of consultancy Environmental Development Technology describe modifications which can overcome this Fouling and corrosion to conventional

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Health and safety partnerships are the key

David Left, head of Health and Safety Executive’s (HSE’s) Utilities National Interest Group (UNIG), explains the importance of partnerships.

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· Pulling the plug on accidents and ill health

· Getting to grips with hand protection

April 1997

Ammonia treatment for split flows

Preussag Noell Wassertechnik has now built two stripping plants for the recovery of ammoniacal liquor from the wastewater left at the end of sludge dewatering. The plant at Bremen's Seehausen WwTP processes 180m3/d and the one at Cloppenburg 300m3/d. Dr Jörg Rolfs of Preussag explains how the amm

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Laser cone spotlights on-site screening

Fugro Ltd operates a range of tools to aid clients and consultants in the rapid collection of sub-surface

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April 1994

April 1989