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Eco-UV partners Hanovia and DVGW were both among the organisations presenting at a recent seminar in London on the important and developing subject of UV system validation.

The seminar, jointly organised by the International Ultraviolet Association (IUVA) and the Chartered Institution of Water and Environmental Management (CIWEM), was held in Farringdon in the City of London on 4th May 2017. The 90 delegates who attended from government agencies, water companies and the UV industry were treated to some excellent presentations on both the fundamentals of UV technology and various practical aspects of the validation of systems.

Dr Ian Mayor-Smith of Hanovia gave an overview of the basics for calculating the UV dose and fluence delivered by a system, which are increasingly recognised as the most accurate means of quantifying a system's treatment capabilities. He described the theoretical and practical steps needed to work out how much ultraviolet light penetrates the liquid being treated, and whether it will be effective against specific bacteria and viruses. Dr Jutta Eggers of DVGW then described the work being performed as part of the Eco-UV project to validate the demonstration systems, an essential component of the project as it will help demonstrate to the market that the new technology is fit for purpose. Her group is using the innovative approach of combining the strengths from existing European and American validation protocols. It is hoped that this will eventually lead to a new industry-wide validation standard. Her colleague Karl-Heinz Schön also outlined the important practical aspects of reactor functionality and performance that need to be fully understood and optimised to achieve the correct results during validation testing.

Details of all the presentations given can be found under Resources on the seminar's web page.

 

 

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